Precision Tube Tester Calibration

(We welcome the addition of additional documents to this page. Buy Vacuum Tube (Valve) Testers and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Micro Precision Calibration Inc. Tube pre heater. Unfollow tube tester precision to stop getting updates on your eBay Feed. What We Do…. Hickok Tube Tester Repair & Calibration Service Only (539/A/B/C and 752/A) Shipping $150. Buy Precision 640 Tube Tester Parts Or Repair in Andover, Massachusetts, United States. Use your tube tester to weed out flea market tubes and find flat out dead garage sale tubes. Copies of the operation manual and supplement tube data thru 1978 are included. (Especially recommended for manometers used with mercury. Vintage Precision Electron Tube Tester Model 612 Working Condition. Flyying dreams Store has All Kinds of OOTDTY DIY High Accuracy And Sensitivity 1-500 MHz Frequency Meter Counter Module Hz Tester Measurement Module LCD Display,SMA Calibration Kit RF Coaxial Test Connector Short/Load/Open/Thru Type,1. online schematics. 4 mb pdf) B & K 707 TUBE TESTER SET UP CHART ERROR ECC808 (6KX8) (. But it comes down to features, functionality, accuracy, repeatability and price! All tube testers are test equipment and will require maintenance and calibration from time to time. and finding a 12Ax7 in my friend's amp where there should have been a. Simpson Valve Testers Simpson Model 330 Tube Tester Simpson Model 555 Tube Tester. The tester comes with two original Precision Books including a Supplementary Tube Data for tubes that are not included on the built in roll chart and and the other is Tube Test Data which mainly mirrors the roll chart but has lots of other information for tubes not on the chart such as Novars and Compactrons and some later tubes. The following instructions are keyed to the table of teat data given In paragraph & For [email protected] operating inatruetions see TM 11-6625-274-12, Operator’s. 5A: User-programmable tube test data, stored in EEPROM: Processor-controlled tube pin selection. 7 MB pdf file Schematic - pdf file Model 89-S Tube Tester 89-S. we are link to more precision tube tester data. manual and it has instructions for calibration, but they are not very precise. B&K PRECISION Test Instruments 139 products found. Resources (TV-7 and TV related) Dan Nelson (new e-mail!) is one of the best known TV-7 experts. I like Eico tube testers. The P3800/M3800 very high pressure deadweight testers have unique test port adapters that are suitable for the high pressures. Measure transconductance/gm and match plate current with high precision. We HIGHLY recommend you restore and clean your tester electrically prior to calibration. E-Z Tube Tester Manufactured by the E - Z Tester Co. Vacuum Tube (Valve) Testers; Precision Tube Test Data for 910 912 914 915 920 922 954 Tube Testers. Transcat's accredited calibration labs offer local service with international capacity and scope. tube radio. Bill Waters has been doing professional calibrations of all Hickoks for some time and is well known as the 'Hickokdoc' in U. Hickok 750 Tube Tester. My Precision 10-12 can test more tubes then my Hickok 529C, Hickok 6000 with CA-4 adapter, Precise 111 and my Triplett 3444 mutual conductance tube testers even with all their supplemental data and tube adaptors. Precision 10-12 obsolete tube data. Subject: Military Model TV-7 Tube Tester Corner April 12th 2019, 10:42 am I am trying to consolidate posts related to The TV-7 Here. Series 1222 Manometer - All the features of the 1221 plus magnetic clips for mounting to any vertical steel surface, and clamp bar to insure against U-tube slipping. , Cobra Electronics;, build 1961, 10 pictures, 6 schematics, 1 tubes, United States of. Tube Tester The Superior TD-55 is an emission tester which is basically a miniature version of their popular model TV-11. Tta1-1 Tt-1 Heath Pro Rebuilt Calibrated Heathkit Mutual Conductance Tube Tester W (34. P arting out; one of the above instruments < click image for info : Precision 10-54 "Test Master" Meter Precision 10-54 tube tester < click image for more info (FOR SALE). tube tester tv-7. Best Tube Tester for 6SN7 & 6AS7 I recently also made a decission on which tube tester to buy after reading and looking at multiable testers I decieded on a B&K 747B the reasons I choose this tester 3 solid state no calibration tubes to buy 4 all different tube testers give readings in different values so you are looking not to match. The calibration lab is accredited to ISO/IEC 17025 and ISO 9001 Compliant; NIST Traceable. Hickok seem to be the ants pants in tube testers. 85 mb pdf) starkit 9-66a & 9-66au tube tester schematic - stark 9-66a/u (1. Programmed Testing PROGRAMMED TESTING Switches No. This set requires AC electronics and soldering knowledge. Each of these switches has seven positions. Very clean and in excellent shape as can be seen. TEST DATA FOR ELECTRON TUBE TEST SETS TV-7/U, TV-7A/U, TV-7B/U, AND TV-7 D/U 1. The quality of our facility and the training of our people enables us to develop and implement Calibration, Dimensional Inspection, and Nondestructive Examination techniques which help to establish and maintain the highest standards for our industry. The P3800/M3800 very high pressure deadweight testers have unique test port adapters that are suitable for the high pressures. There's a lineage passed down with the calibration of each quality tester, tracing its heritage back to the very first de Forest Audions dating to around the turn of the 20th century. Calibrations are performed in our temperature controlled laboratories by experienced technicians. I am very sorry, but do not have a recommendation for alternative service at this time. Users Manual. 2% similar) The unit was calibrated and just recently I went thru the calibration tests and it was dead on specs. You can get a kit on of all hardware and the cover material is not expensive. A wide variety of tube tester options are available to you, such as auto testing machine, paper testing instrument, and strength testing machine. Tube manual clip and compartment for power cord in the cover. For model Dyna-Jet Tube Tester B&K 747, B&K (Precision), Dynascan Corp. In other words, when this control is set to increase the reading for the 6L6 calibration tube, the same setting could. Includes Service and Calibration Adjustments Page and double sided 11×17 Foldout of Circuit Diagrams. Hickok 750 Tube Tester. My Precision 10-12 can test more tubes then my Hickok 529C, Hickok 6000 with CA-4 adapter, Precise 111 and my Triplett 3444 mutual conductance tube testers even with all their supplemental data and tube adaptors. So if that particular tube has 5700 mMho, the tester must indicate that. The CDI brand is a respected leader in the development of precision electronic and mechanical torque instruments and force/tension calibration systems. Density Meters A. The Alcor JFTOT is described as to fuel system, the heater test tube section, the thermocouple calibration tube rating methods-both visual rating and light reflectance methods, test program format, effect of test time on deposit formation, the heater tube temperature profile, and visual and tube deposit rater ratings. The tube test method is the same in all, and the test data is interchangeable. G GERMANY WORKING. Precision Model 98 VTVM Precision E-400 Sweep Signal Generator Precision EV-10 VTVM PACO G-30 and G-30PC RF Signal Generator. But how were certified these famous Hickok factory-reference testers ? Nobody know the answer again. 0,5 kg Grundierung und 0,5 kg Decklack für einen TV-7 Tube Tester. A reference chamber, producing a very precise stable 0°C, can be used for calibrating temperature probes but they are also commonly used in simulating a thermocouple signal for the calibration and verification of instruments that read thermocouples. I used the instructions "Calibration Testing of the Hickok Model 539C Mutual Conductance Tube Tester" by Daniel Schoo, Version 4. 910 912 914 915 tube testers oper instructions and sch sm. Tube Tester Ł3-3 0128. The bottom line is:. Secure Sealing of SBS Format Tube Racks. Set the ENGLISH control to 73. Audiomatica has all A/D functions custom-built inside the tester case, this reduces DC errors and ground noise. To make the adjustment, make sure the tube tester meter is *level, tube in the socket, then adjust the line voltage so that the voltage reading on the heater of the 6L6 is 6. Tube racks and dimpled mats securely hold tubes. , in Macon, GA. FALMOUTH, UNITED KINGDOM - Jun 22, 2020 - bioBoaVista, a Brazilian specialist culture media manufacturer for microbiological diagnosis, has developed a viral transport medium (MTV) for more efficient nasal tests for the diagnosis of COVID-19. The revival of tube technology in guitar and audiophile amplifiers has also led to the renewed interest in vacuum tube testers and their ultimate purpose, testing and matching of audio tubes. B&K 607 - 667 Tube Tester. Superior TV-11 tube tester PARTS. Precision and similar Testers, CLICK to visit! Supreme Tube Testers, CLICK to visit! Hickok Tube Testers, CLICK to visit! KURT's MANUALS Looking for FREE downloadable manuals in PDF form? Try Fluke HERE-CURRENTLY DEAD. MPC-102S Pour/Cloud Point Tester. Precision 912 - This is a late 1940s tube tester that tests almost every type of vacuum tube. We guarantee the accuracy of the readings. Toll Free: 1-866-683-7837 Login. 1930s Precision Tube Radio Tester Pattern 829 Unpowered Allied Radio - Knight KG-600B Tube Tester NO RESERVE Hickok Complete Calibration Unit W/Manual For 539B & 539C Tube Tester. REFURBISHING AND CALIBRATING. So If you need a place to search for articles and comments this is the place to look. The Precision Apparatus Company (commonly known as PACO) manufactured some very high quality test equipment. Business & Industrial; Agriculture & Forestry; Construction; Electrical & Test Equipment; Circuit Breakers, Transformers; Connectors, Switches & Wire; Electrical. Precision Planting is the place for new ideas and technology that help you achieve the best possible control of depth, spacing and germination. vacuum tube tester. pdf: File Size: 860 kb: File Type: pdf. FORNEY manufactures construction materials testing equipment for the concrete, asphalt, soil industries as well as automated control systems so you have the right data, every time. These are transconductance (gm), plate resistance (rp) and mu. L3-3 Calibration of the Gm test I received this procedure from Matts Gustavsson. G GERMANY WORKING. REFURBISHING AND CALIBRATING. 0 will be good enough for testing with 1% accurancy. Comes with instruction manual and spec charts for transistors and crystal diodes. All tester results must be taken with a grain of salt, of course. Each instrument is self-contained and comes complete with tools and metal carrying case. Resources (TV-7 and TV related) Dan Nelson (new e-mail!) is one of the best known TV-7 experts. The Tube Tester is not intended to show total iron content of an ore as will chemical analysis. Here is a used Precision Model 660 tube tester. Discussions, Schematics, Pictures, Videos, Help. (We welcome the addition of additional documents to this page. User can easily check cal. 01, September 2006. it has been serviced and electronically restored. Tube Tester Repair and Calibration Services Please note, this list is by no means an endorsement of any particular repair service over any other and is provided as a contact resource only. Willrich Precision offers calibration of all types of gages and measuring equipment. JK2516Bis a high precision DC resistance tester. The picture above is a Precision Apparatus Model 10-12 Electronamic Tube Tester I have. Measurement Communications & Testing provides the design, integration and installation of critical communication systems, workflow, life-safety solutions and calibration instrumen. 6% similar) I did a full inspection and found that 4 or 5 resistors will need to be changed as will some caps. CAV tube characteristics Each standard viscometer tube has three bulbs, each of which has its own calibration. Tube manual clip and compartment for power cord in the cover. For small signal tubes we can easily get a cheap board at eBay to build a very simple one tube preamplifier that can be used to listen to the tube sound, like the old George Kaye small tube tester. This is the All-In-One first generation and a new model is currently being produced and can be found under Products. Hickok 530 Tube Tester Powers Up (1940) Clean! Good Roll Chart 1940 Uncommon. Save precision tube tester 612 to get e-mail alerts and updates on your eBay Feed. The tube tester is clean overall and in good condition. Platforms can increase the amount of usable space for your samples, and in some cases can be stacked to increase throughput and double the capacity. Now we have a 30% range from high to low. 5A: User-programmable tube test data, stored in EEPROM: Processor-controlled tube pin selection. Krautkrämer ROT Krautkrämer ROT is a high-speed full-body tube tester with rotating ultrasonic probes for seamless tubes. The novel medium stabilises samples for significantly. Series 1222 Manometer - All the features of the 1221 plus magnetic clips for mounting to any vertical steel surface, and clamp bar to insure against U-tube slipping. These are not simple photocopies. Tube tester socket panel adaptors. After setting the pin connections in gold at the bottom, you use the controls in red to set heater, grid, plate and screen volt­ages. This material is partially copied from our website. I have a Precision Model 920 Tube Tester and it works good for finding an obviously bad tube. 910 912 914 915 920 922 954 tube testers supplementary tube data sm. The tester comes with two original Precision Books including a Supplementary Tube Data for tubes that are not included on the built in roll chart and and the other is Tube Test Data which mainly mirrors the roll chart but has lots of other information for tubes not on the chart such as Novars and Compactrons and some later tubes. Model 607 will be example shown in this article. S Pressure Range to 2500bar. We are a complete full service solutions provider for the testing instruments that we sell, not just an equipment reseller like others that you will find. The added fuse protects the high voltage transformer winding for the plate voltage against the remote possibility of a diode ever shorting in the solid state tube. This kit is equipped with a precise (±1% of full scale) accuracy differential pressure gauge. Ultrasonic Thickness Gauge - QTG Series are economical, user-friendly, menu driven, and multi-functional units offering extensive features from basic measurements (model: QTG I) to extended memory (5000 reading storage) and USB output capabilities (model QTG II). TV-7B/U Tube Tester by Forway Industries is available on HiBid. • Liasing with outhouse calibration labs regarding calibration equipment that require to be send out for repair or calibration. 45 pages in color. Can the tester do the line of tubes you plan on testing, tube sockets, operating voltages, test data available. Tube pre heater. stay away from the B&K-707 - half the panel is an emissions tester. Pressure Calibration. 0 will be good enough for testing with 1% accurancy. This calibration database enables us to best assess your needs and to notify you when you equipment is next due for calibration. This is possible because the tester measures mutual conductance instead of emission. For most of the testers listed, the 12AU7 is a useful tube to compare calibration. The quality of our facility and the training of our people enables us to develop and implement Calibration, Dimensional Inspection, and Nondestructive Examination techniques which help to establish and maintain the highest standards for our industry. Unfollow tube tester precision to stop getting updates on your eBay Feed. The Vitrek 4700 Precision High Voltage Meter is the top choice when you require high voltage test equipment, the 4700 offers the highest level of measurement accuracy, yet is surprisingly easy to use. Looking for an old, out-of-print B&K manual? You've come to the right place. How to Use, Calibrate, Repair and Upgrade Vacuum Tube Testers The revival of tube technology in guitar and audiophile amplifiers has also led to the renewed interest in vacuum tube testers and their ultimate purpose, testing and matching of audio tubes. Metal Ball Tester - The ball testing frame attachment transforms the RH-150AUTOPlus into a metal ball tester. Pictured here are some of the testers we use at MERREN AUDIO. level 1 andre2150. At this time I don't do Military or Hickok Cardmatic tube testers. 61 results for tube tester precision Save tube tester precision to get e-mail alerts and updates on your eBay Feed. Westmore 501 Triplett 3444 tube tester analyzer for sale. VACUUM TUBE TESTER, Digital LCD tester KIT - $203. By putting the ends of a ceramic pot across part of the primary winding and connecting the wiper to the line voltage source, the voltage that the tester operated at could be adjusted above or below nominal to take care of local variations in wall voltage that may happen from time to time. • Liasing with outhouse calibration labs regarding calibration equipment that require to be send out for repair or calibration. The services provided are described here. It was in a barn so case is without cover and falling apart. 910 912 914 915 tube testers oper instructions and sch sm. HERE IS A RESTORED AND GOOD WORKING PRECISION 10-12 TUBE TESTER. We also provide on-site calibration services are available for optical comparators, microscopes, hardness testers, CMMs, and vision systems. Self-explanation panel, anyone can test a vacuum tube in seconds, no more steep learning curve. THE PRECISION 612 TUBE TESTER. Western Electric (Hickok) KS-15560 L1 Tube Tester. Satisfaction is guaranteed - please check my 100% positive feedback and bid with confidence !!! 332369064857. 93: B&K 607 tube tester calibrationhelp! (7. com for more details. 495 Signal voltage spec is 1. com - Tube Tester repairs, calibration, upgrades, parts and more. 30 shipping. The calibration is as stated above for the Precision Tube Testers. Tube test data is 1978 version with latest 1981 Supplement. Users Manual. As a non-electronic person, I don't want to damage either the tester or myself. 5 mb pdf) stark 9-66 tube tester calibration & test (. The CDI brand is a respected leader in the development of precision electronic and mechanical torque instruments and force/tension calibration systems. The Lixer Square has inspection marks at 3" and 10cm. calibration, can be used to recalibrate the tester or provide a correction factor. Model 85-PL Portable Tube Tester (w/fan meter) 85-PL Instructions & Tube Data - pdf file 85 Series Updated Tube Data - pdf file 1939 Updated Tube List - 4. Precision 10-12 tester. vintage consumer electronics tube tester "tube tester" Related. How to Use, Calibrate, Repair and Upgrade Vacuum Tube Testers. This number is printed on each tube, ex: n=2. Willrich Precision offers calibration of all types of gages and measuring equipment. If you can find a tube that is stable and has the same transconductance (or almost the same) over a fairly wide range of operating conditions, it could be useful for roughly checking the calibrations of other tube testers, but expecting it to be suitable for precise calibration of a quality tube tester is unrealistic unless it was calibrated on. One of the things that I have learned about testers in general by reading countless posts etc is that they are finicky and need to stay calibrated in order to give you the best and most accurate results. All tubes meet the accuracy and precision criteria listed in Table 2-1: Table 2-1. GAS TEST 16. A Brief History of the Test Tube Nov 17,2014 by Edulab Undoubtedly one of the most iconic pieces of laboratory equipment ever created is the humble test tube, which has been a staple in laboratories across the world for generations. Includes Service and Calibration Adjustments Page and double sided 11×17 Foldout of Circuit Diagrams. One complete set of adapters and lens rings are included with a P3800 DWT. present on the calibration pots,everything was clean,and all resistors were now within factory spec,I would leave the calibration alone and test a bunch of NOS, known weak and bad tubes to see how the results added up. switch as shown in this simplified diagram. The picture above is a Precision Apparatus Model 10-12 Electronamic Tube Tester I have. REFURBISHING AND CALIBRATING. CANNON ADEM flyer1. Carlos Fernando Jung under Tube Testers No tags Comentários desativados em Tube Tester, PRECISION APPARATUS CO. Check if the filament voltage is 6. MPC-102S Pour/Cloud Point Tester. The TEST port (also called TEST station) itself is a 5/8 BSP male left-hand thread. TEST EQUIPMENT MADE EASY JM Test Systems is dedicated to delivering the highest quality of electrical safety, test equipment, calibration, tool repair, test benches and trailers. Lixer Tape Measure Calibration Tools have calibration marks for both standard and metric at 10 cm and 6 inches, with the exception of the standard only and metric only gage blocks. But how were certified these famous Hickok factory-reference testers ? Nobody know the answer again. KG in Wertheim, Germany. Brief description. So If you need a place to search for articles and comments this is the place to look. Unfollow tube tester precision to stop getting updates on your eBay Feed. This 75 Ohm test kit includes all of the components needed to calibrate a Type N VNA for 75 Ohm Type F measurements to 3 GHz. Eico also used precision wire-wound resistors in the measuring circuits to ensure proper measurement calibration over the lifetime of the instrument. ↳ OTHER Tube testers ↳ AMPLITREX ↳ AVO. TV-7B/U Tube Tester by Forway Industries is available on HiBid. LEARN MORE. 954 tube tester operating instr and sch sm precision series 10-12 and 10-15 electronamic tube masters w supplements precision series 612 and 614 tube and battery testers. Very clean and in excellent shape as can be seen. To make the adjustment, make sure the tube tester meter is *level, tube in the socket, then adjust the line voltage so that the voltage reading on the heater of the 6L6 is 6. Rated 5 out of 5 by Romeo from Fluke 1000FLT Fluorescent Light Tester For life we each realize that time is key; such resource as the Fluke's 1000FLT. I calibrate and repair Hickok, Precision and some other brands of tube testers. level 1 andre2150. EICO 625 Vacuum Tube tester troubleshoot and repair - Duration: I-177B Tube Tester Calibration - Duration:. Precision Apparatus Series 612 Tube and Battery tester. Regulated 200V power supply with 100mA current limit and short circuit protection, can test short circuit tubes without the fear of damage of tester. Our Business. The prices of vintage tube testers have risen to levels unimaginable just a few years earlier. Given the price of a good functional Hickok tester these days, an Eico can be a good low cost alternative for those on a budget. Beam test on the 660, 10-60 or 10 40. TMC Corp offers Precision Chemical Cleaning, Tube Bending and Panel Fabrication for aerospace and related industries. TEST DATA FOR ELECTRON TUBE TEST SETS TV-7/U, TV-7A/U, TV-7B/U, AND TV-7 D/U 1. Quality Printed and Comb Bound. Salt hydrometers are graduated in % saturation or % by weight of salt in solution. From spare parts, repairs, calibration and training to health checks, upgrades, rentals and service plans Druck have Services suitable for all. Spindle Runout Test Bars are easy to use and a fast way to verify your machine spindle is running properly. New Calibration Thermostat Offers Extreme Precision for Test Laboratories. DIY TUBE FORUM - in English language. My dynamic range is less demanding, besides - I don't have precise calibration tools so 11 bit precision is OK, anyway, the errors of setting levels with a DMM are worse than ADC resolution. Precision Apparatus Co, Series 920 Electromanic Tube and Set Tester: Price: $35. I recently acquired a precision 912 electronamic tube tester, with out a user manual. It has two loose sockets, which I can replace. The Vitrek 4700 Precision High Voltage Meter is the top choice when you require high voltage test equipment, the 4700 offers the highest level of measurement accuracy, yet is surprisingly easy to use. ROMER Calibration - Micro Precision provides calibration for all types of ROMER instruments, calibration test equipment sale and repair. Save precision tube tester 612 to get e-mail alerts and updates on your eBay Feed. Tube Tester Calibration. 99 Add to cart; Power Supply PP-1104A/G Manual PP-1104 PP-1104A HAM $ 9. Precision Apparatus Series 920 Electronamic Tube and Set Tester. B&K 747 B TUBE TESTER PRECISION CALIBRATION SET / TOP QUALITY COMPONENTS USED. It powers up and appears to be in working order. Shipped with Economy Shipping. Find great deals on eBay for hickok tube tester. Westmore 501 Triplett 3444 tube tester analyzer for sale. TMC Corp offers Precision Chemical Cleaning, Tube Bending and Panel Fabrication for aerospace and related industries. You can get a kit on of all hardware and the cover material is not expensive. 99: time left: b&k 747 b tube tester precision calibration set / top quality components used. The tube tester is clean overall and in good condition. Have not checked but the light comes on when plugged in. 5 mb pdf) stark 9-66 tube tester calibration & test (. Model DWT1305 Deadweight Testers are dual range, precision built hydraulic instruments for testing, setting, calibrating or repairing pressure measuring devices. 45 pages in color. The system reaches a state of thermal equilibrium after the bath media collapses and stability is better than ±0. Inscription aux courriels Service à la clientèle +1 800-234-7437 [email protected] 17025 Calibration Service. Sencore TC142. THE PRECISION 612 TUBE TESTER. present on the calibration pots,everything was clean,and all resistors were now within factory spec,I would leave the calibration alone and test a bunch of NOS, known weak and bad tubes to see how the results added up. The construction of a DWT is basically in the form of an oil filled chamber fitted with a cylinder piston combination above it. I plugged the unit in and it appears to power on properly. Up for bid is a nice vintage Superior Instruments Model TV-11 tube tester. Visit our facility in Anaheim, Los Angeles California or call us at 800-828-1470 today. It also can be used to determine specific impedance and admittance ratios. Here's a picture of my Precision 660 this is different from all other 660s I've seen in that it has more transistor and tube sockets. 00: Sencore Mighty Mite 3 TC-130 Vacuum Tube Tester $36. 5v, this is at 1. The P3800/M3800 very high pressure deadweight testers have unique test port adapters that are suitable for the high pressures. C100 Digital Pressure Calibrator High Accuracy upto 0. Partnering with Bowers, Trimos, Sylvac and Wyler Fowler brings accuracy and precision to you. 08MB/21p) RCA Senior VoltOhmyst Type WV-98C Manual (5. It is widely applied to electrical and electronic products, lamps and lanterns, electrical cabinet, electrical components, automobile, motorcycle and its spare parts and other products. Calibration sencore Pictures, Images & Photos Gallery. Save precision tube tester 612 to get e-mail alerts and updates on your eBay Feed. Secure Sealing of SBS Format Tube Racks. hickok tube tester. The prices of vintage tube testers have risen to levels unimaginable just a few years earlier. Carlos Fernando Jung under Tube Testers No tags Comentários desativados em Tube Tester, PRECISION APPARATUS CO. Set the ENGLISH control to 73. Vintage Tube. But it comes down to features, functionality, accuracy, repeatability and price! All tube testers are test equipment and will require maintenance and calibration from time to time. Among its advantages are rapid and simple operation, close simulation of actual tube operating conditions, and unexcelled thoroughness and accuracy of test. Weight sensor modules are tailor made to meet the needs of equipment, machine and instrument manufacturers. The Precision Apparatus Company (commonly known as PACO) manufactured some very high quality test equipment. To make the adjustment, make sure the tube tester meter is *level, tube in the socket, then adjust the line voltage so that the voltage reading on the heater of the 6L6 is 6. Discussions, Schematics, Pictures, Videos, Help. 1st on the list is the Precise 111M tube tester. rcp - radio city products 314 tube tester schematic (. Front panel for the Vacuum tube tester Hickok Tube Tester Repair & Calibration Service Only (539/A/B/C and 752/A) Hickok Tube Tester Repair & Calibration Service Only (Check Listing for Models) Tube Tester Calibration Bogie Tube in µmhos - for Hickok, Heathkit, & Others TV 7 U Vintage Military Electron Tube Tester C. • In charge for calibrating and measuring Electrical and Electronic equipment. How to Use, Calibrate, Repair and Upgrade Vacuum Tube Testers The revival of tube technology in guitar and audiophile amplifiers has also led to the renewed interest in vacuum tube testers and their ultimate purpose, testing and matching of audio tubes. The tube test method is the same in all, and the test data is interchangeable. My L1-3 have same rectifier as the L3-3 but that i buy was made in 1971 and i know there are L1-3 made in 1960. If you don't allow cookies, you may not be able to use certain features of the web site including but not limited to: log in, buy products, see personalized content, switch between site cultures. R TV, and I need information such a service manual or at least it's electronic manual. It powers up and appears to be in working order. Subject: Military Model TV-7 Tube Tester Corner April 12th 2019, 10:42 am I am trying to consolidate posts related to The TV-7 Here. cleaned up and then printed on my Laserjet 5000 printer. Because the response is linear with concentration, a two point calibration is sufficient. Portable or Benchtop Calibrators, Infrared Calibrators, Dry Block Calibrators, ice point™ Reference Chambers, and more. Services compliant with this standard provide a calibration certificate with a calibration date and calibration due date. htm manuals for PACOPrecision Tube Testers. Then adjust line adjust calibration pot (or change the resistor value) so that the meter is set to the set line voltage mark. Now we have a 30% range from high to low. The quality of our facility and the training of our people enables us to develop and implement Calibration, Dimensional Inspection, and Nondestructive Examination techniques which help to establish and maintain the highest standards for our industry. IT HAS BEEN SERVICED AND ELECTRONICALLY RESTORED. Tube standards include drilled FBHs, through-wall holes & OD/ID grooves. The following scans of audio equipment manuals, brochures, catalogs, reports and other documents are presented for reference use. Self-explanation panel, anyone can test a vacuum tube in seconds, no more steep learning curve. For with the time saved; you can reduce costs by using the only tester that has the ability to have all your essential tools for performing lighting. For most of the testers listed, the 12AU7 is a useful tube to compare calibration. 6% similar) I did a full inspection and found that 4 or 5 resistors will need to be changed as will some caps. I like Eico tube testers. Given the price of a good functional Hickok tester these days, an Eico can be a good low cost alternative for those on a budget. The precision is calculated as the standard deviation from the average value of the five measurements. , Macon Georgia This is about as basic as it gets. 1 Comprobe RSC-2 Calibration Box (Modified) 1 Custom Millivolt Recorder Calibrator. LEARN MORE. When calibrating those, you need to use a calibration 6L6 tube, that Hickok used to sell. I purchased this tube tester from the James McDonald auction which was held at the 2004 IHRS/AWA 33rd Annual Regional Spring Meet, Johanning Civic Center, Kokomo, Indiana. and finding a 12Ax7 in my friend's amp where there should have been a. How to Use, Calibrate, Repair and Upgrade Vacuum Tube Testers. Thank you for purchasing the our resistor calibration set. For model Dyna-Jet Tube Tester B&K 747, B&K (Precision), Dynascan Corp. User can easily check cal. Hello every one. I will include a 6L6 tube, a 6C4 tube and a 10W2K ohm resistor that are necessary for the calibration. How to Use, Calibrate, Repair and Upgrade Vacuum Tube Testers. 99 Add to cart. One complete set of adapters and lens rings are included with a P3800 DWT. Unfollow tube tester precision to stop getting updates on your eBay Feed. Back to Other Triode Pages rec. New Calibration Thermostat Offers Extreme Precision for Test Laboratories. Micronta 22-025 - This is the first real volt-ohm meter I had. Place a tube over the frame and the RH-150AUTOPlus automatically performs Rockwell hardness tests on the tube wall. Metal Ball Tester - The ball testing frame attachment transforms the RH-150AUTOPlus into a metal ball tester. They are scanned into my computer, all of the stray lines, dots, etc. Tube data Includes Signal Corps tubes, cross index, commerical tubes, and supplementary tube test data. Title: Alltubetesters. GAS TEST 16. at 1000 digital tube tester, the world's most accurate vacuum tube tester. 721-3630 36/3000 Pressure Calibrator. One of the finest testers ever made, we feel better than all Hickoks by far. Each Draeger Tube has a specific number of strokes required for an accurate measurement. Given the price of a good functional Hickok tester these days, an Eico can be a good low cost alternative for those on a budget. Calibration is the Achilles heel of vintage test equipment, but this one compares reasonably well against my newer Sencore tester. Bill Waters has been doing professional calibrations of all Hickoks for some time and is well known as the 'Hickokdoc' in U. DigiVac is a US designer and manufacturer of vacuum gauges and controllers. 99: time left: 7d 17h 22m. precision mod. We are certified to service a wide range of test and measurement equipment. Another very popular tube tester to find for auction through eBay is the Jackson 648, which can be seen above center. Another way to change the calibration constant of the smallest size viscometers significantly is to soak the tube overnight in boiling water. These are popular to the point that some people are auctioning off the instructions manuals separately. If you can find a tube that is stable and has the same transconductance (or almost the same) over a fairly wide range of operating conditions, it could be useful for roughly checking the calibrations of other tube testers, but expecting it to be suitable for precise calibration of a quality tube tester is unrealistic unless it was calibrated on. this is a ten years old model (1999). Each of these switches has seven positions. From United States. 25"x10") 20019-P1, P2: Download: Diamond Point Jr. The CDI brand is a respected leader in the development of precision electronic and mechanical torque instruments and force/tension calibration systems. 7, 171 or 683 ohm 1/2W 1% resistor. Otto is a highly respected tech guy. AFAIK the WE Hickoks had an independent oscillator to test directly heated tubes more accurately. For other testers, like the 539, a 6L6 would be best. trobbins: The calibration procedure is fairly extensive and is in the last section of the construction manual. Unfollow tube tester precision to stop getting updates on your eBay Feed. To measure DC current, the SCREEN supply will substitute to provide voltage to the plate by re-adjusting the rotary knobs for tubes with SCREENS just use a tube saver with a jumper between PLATE and SCREEN. It has two loose sockets, which I can replace. vintage consumer electronics tube tester "tube tester" Related. Use your tube tester to weed out flea market tubes and find flat out dead garage sale tubes. View Genalex Z729 Gold Lion 1950s Vacuum Tube _ Tested on a Hickok 534 Tube Tester. Precision Apparatus Series 612 Tube and Battery tester. 300 Suction Type Battery Electrolytic Hydrometer Electro-hydraulic Density Meter 83XA and more On Sale. Condition is Used. 283895903155. Shop with confidence. © 2018 Swiss Precision Instruments, Inc. BK 607 tube tester. Significance and Use 5. Brand: Signal. The Amplitrex T-1000A is an incredible one-box tube testing system. Since 1951 B&K Precision has provided test and measurement instruments for engineering, electronic design, and education, including power supplies, oscilloscopes, signal generators, amongst others. The 1% (what Eico calls "precision") resistors are in a circuit with a switch where current is shunted through either the 10. Guide to tube tester repair and calibration. For most of the testers listed, the 12AU7 is a useful tube to compare calibration. Another way to change the calibration constant of the smallest size viscometers significantly is to soak the tube overnight in boiling water. Now we have a 30% range from high to low. other tube tester repairs. 58MB/16p) Precision Series E-200-C Signal Generator (4. Significance and Use 5. Thank you for purchasing the our resistor calibration set. 82MB/30p) Sencore Mighty Mite V - Model TC 142 Manual(1. The most dangerous of these home tube testers I have seen is the E-Z Tube Tester. Metal Tube Tester - By attaching the test tube frame, the RH-150AUTOPlus becomes a metal tube tester. Custom manufacturer of tube testers including ASME Sec. 8MB/23p) Precision Series 612 and 614 Tube and Battery Testers (2. JK2516Bis a high precision DC resistance tester. The P3800/M3800 very high pressure deadweight testers have unique test port adapters that are suitable for the high pressures. Salt hydrometers are graduated in % saturation or % by weight of salt in solution. The tube must also be dry before using. Place a tube over the frame and the RH-150AUTOPlus automatically performs Rockwell hardness tests on the tube wall. THE TEST a. sencore tube tester. This number is printed on each tube, ex: n=2. Users Manual. There's a lineage passed down with the calibration of each quality tester, tracing its heritage back to the very first de Forest Audions dating to around the turn of the 20th century. stay away from emissions testers - junk. My Precision 10-12 can test more tubes then my Hickok 529C, Hickok 6000 with CA-4 adapter, Precise 111 and my Triplett 3444 mutual conductance tube testers even with all their supplemental data and tube adaptors. Anyone buying it should consider sending it for tuning/calibration. How to Use, Calibrate, Repair and Upgrade Vacuum Tube Testers. Because the response is linear with concentration, a two point calibration is sufficient. It comes with 39 test cards. Tube racks and dimpled mats securely hold tubes. reference before test to make sure equipment in top notch condition. B&K 500 Tube Tester Calibration I've checked with BKManuals. Press P5, the GAS 1 test button. This 75 Ohm test kit includes all of the components needed to calibrate a Type N VNA for 75 Ohm Type F measurements to 3 GHz. It is well over half a century old, and should be thoroughly checked by technician, for operational safety, to sure functioning as close factory specs possible. TUBE TESTING INSTRUCTIONS FOR PRECISION SERIES 910-912-914-915-920-922-954 ALL the tube testing circuits of these instruments make use of the PRECISION ELECTRO-NAMIC tube test system, which in one operation, effectively performance checks the electrical per-formance characteristics of a radio tube. The prices of vintage tube testers have risen to levels unimaginable just a few years earlier. Frazier Precision Instrument Company, Inc. Fowler offers highly accurate precision tools. 00 Original Test Lead For Precise Tube Tester Grid Plate Top Cap Estate Fresh Precision - $149. The 1% (what Eico calls "precision") resistors are in a circuit with a switch where current is shunted through either the 10. As a non-electronic person, I don't want to damage either the tester or myself. Cable and Pipe Locators Cable Drum Reels Cable Fault Finders Cable Height Meters Cable Service Testers Cable Testers (Network) Cable Tracers Calibration Instruments Calibration Resistors Calibrators Calipers Carbon Dioxide Meters Carbon Monoxide Meters. Front panel for the Vacuum tube tester Hickok Tube Tester Repair & Calibration Service Only (539/A/B/C and 752/A) Hickok Tube Tester Repair & Calibration Service Only (Check Listing for Models) Tube Tester Calibration Bogie Tube in µmhos - for Hickok, Heathkit, & Others TV 7 U Vintage Military Electron Tube Tester C. 0,5 kg Grundierung und 0,5 kg Decklack für einen TV-7 Tube Tester. Vintage I-177, A, B Tube Tester Calibration Service "Excellent professional work done on tube tester restoration". Since the introduction of the first continuously variable micropipette in 1971, more than three million Thermo Scientific Finnpipettes have been sold in 150 countries. Also the case is moldy (as can be seen in the pics). Shipped with Economy Shipping. Since 1938 Precision Instruments has manufactured the torque products that industry depends on. we are link to more precision tube tester data. 7, 171 or 683 ohm 1/2W 1% resistor. CAV tube characteristics Each standard viscometer tube has three bulbs, each of which has its own calibration. Satisfaction is guaranteed - please check my 100% positive feedback and bid with confidence !!! 332369064857. Space-Tech-Lab. I will include a 6L6 tube, a 6C4 tube and a 10W2K ohm resistor that are necessary for the calibration. Real Paper Manual. To learn how to use the 912 and before I plug it in, I am seeking a copy of the manual. Publication in is PDF format and will open a new tab on your browser or you can go to their website and search Eccher. The Vitrek 4700 Precision High Voltage Meter is the top choice when you require high voltage test equipment, the 4700 offers the highest level of measurement accuracy, yet is surprisingly easy to use. Nearly all of the tube-era capacitor analyzers measure resistance and capacitance with a direct-reading bridge circuit. The following Tube Tester Manuals, Operating Instructions, and Tube Test Data are available for download. Precision Apparatus Series 612 Tube and Battery tester. JK2516Bis a high precision DC resistance tester. Publication in is PDF format and will open a new tab on your browser or you can go to their website and search Eccher. One of the finest testers ever made, we feel better than all Hickoks by far. DIY TUBE FORUM - in English language. 2% similar) The unit was calibrated and just recently I went thru the calibration tests and it was dead on specs. 1st on the list is the Precise 111M tube tester. Waygate Technologies' line of Krautkrämer ultrasonic tube and pipe testing equipment provide a number of solutions for seamless tubing and piping. The Precision Apparatus Company (commonly known as PACO) manufactured some very high quality test equipment. eHavilland Precision Machined Tube Sockets GM70, 200B/2A3, 845/211 Types. The Alcor JFTOT is described as to fuel system, the heater test tube section, the thermocouple calibration tube rating methods-both visual rating and light reflectance methods, test program format, effect of test time on deposit formation, the heater tube temperature profile, and visual and tube deposit rater ratings. 34: Diamond Point Jr. REFURBISHING AND CALIBRATING. Simply place a. But how were certified these famous Hickok factory-reference testers ? Nobody know the answer again. The calibration services of the National Institute of Standards and Technology (NIST) are designed to help the makers and users of precision instruments achieve the highest possible levels of measurement quality and productivity. The added fuse protects the high voltage transformer winding for the plate voltage against the remote possibility of a diode ever shorting in the solid state tube. Some offer documents and tube lists; a few people offer reprinted rolls. Front panel for the Vacuum tube tester Hickok Tube Tester Repair & Calibration Service Only (539/A/B/C and 752/A) Hickok Tube Tester Repair & Calibration Service Only (Check Listing for Models) Tube Tester Calibration Bogie Tube in µmhos - for Hickok, Heathkit, & Others TV 7 U Vintage Military Electron Tube Tester C. When doing the line test calibration sequence the 3444 plate voltage is measured at 250v with no tube under test, and it is considered acceptable for that to drop as low as 220v under load (provided by a 4. Spindle Runout Test Bars are easy to use and a fast way to verify your machine spindle is running properly. Copies of the operation manual and supplement tube data thru 1978 are included. To learn how to use the 912 and before I plug it in, I am seeking a copy of the manual. Precision 912 - This is a late 1940s tube tester that tests almost every type of vacuum tube. Old Telefunken Tube Tester Testing Apparatus Instrument Prüfgerät Fu G7 D2s. Not sure the is a L3-1 tester as u have in ur new text. Comes with instruction manual and spec charts for transistors and crystal diodes. The better brands of gm testers read the tube's gm on their meters in u Mhos (mico- Mhos) as does the TV-10 and don't just have a good-bad pass fail or a "relative scale. I will include a 6L6 tube, a 6C4 tube and a 10W2K ohm resistor that are necessary for the calibration. 0,5 kg Grundierung und 0,5 kg Decklack für einen TV-7 Tube Tester. Download BK PRECISION MODEL 747 TUBE TESTER service manual & repair info for electronics experts Service manuals, schematics, eproms for electrical technicians This site helps you to save the Earth from electronic waste!. Looking for an old, out-of-print B&K manual? You've come to the right place. Test instruments and diagnostic test equipment let workers isolate problems, maintain vital processes, and solve problems before they interrupt their work or cause hazards in their facility. Benchtop Precision Meters (Voltage, Current, Resistance, Temperature, Process) Transportable units designed to provide a controlled temperature with high stability and high uniformity in all calibrator ranges. Given the price of a good functional Hickok tester these days, an Eico can be a good low cost alternative for those on a budget. Any calibration tube should be tested on a laboratory-quality tester in order to be as sure as possible about the value of the tube. Precision Tube Tester 10-12 10-15 Operating Instructions With 1974 Tube. hickok tube tester. switch as shown in this simplified diagram. And one fit his application after he rolled them. FORNEY manufactures construction materials testing equipment for the concrete, asphalt, soil industries as well as automated control systems so you have the right data, every time. MNPT Precision Test Gauge (332. Also the case is moldy (as can be seen in the pics). Model 103 User Manual; Model 104 User Manual; Model 105 User Manual; Model 106 User Manual; Model 114A User Manual; Model 114B User Manual. b&k tube tester. CANNON Instrument Company Automated bench-top Pour/Cloud Point tester MPC-102S_flyer. Ultrasonic Thickness Gauge - QTG Series are economical, user-friendly, menu driven, and multi-functional units offering extensive features from basic measurements (model: QTG I) to extended memory (5000 reading storage) and USB output capabilities (model QTG II). precision calibration & testing corporation (pct) is not only prepared for this new world, we are prepared to be one of its key industry problem solvers. MERREN AUDIO has extensive experience in calibration, modification and design of tube testing equipment. rcp - radio city products 314 tube tester schematic (. Diamond Point Jr. Product line includes M&G primary standards, pneumatic deadweight testers, hydraulic deadweight testers, digital pressure calibrators, dial gauge comparators, digital handheld tes. KRÜSS density meters use the U-tube oscillator method and enable simple, fast and precise measurements of all flowable media. Test instruments and diagnostic test equipment let workers isolate problems, maintain vital processes, and solve problems before they interrupt their work or cause hazards in their facility. Item Precision Test Pump; For Use With Water Lines; Function For Quick and Exact Compression Testing, Leak Testing On Pipe Systems and Containers In Plumbing and Heating Installation, In Boiler and Pressure Vessel Manufacture. , Macon Georgia This is about as basic as it gets. THE TESTER HAD A BAD METER, WHICH HAS BEEN REPLACED WITH A NEW METER. Providing non-destructive testing equipment, we can provide the ideal thickness gauge, hardness tester or dye penetrant for you, from top brands like Magnaflux. Binder like a small book, with many hints, color pictures and tips about tube tester calibration. I just tested it with a 6SL7 tube and it seems to work (see pics). Salt hydrometers are graduated in % saturation or % by weight of salt in solution. Measure transconductance/gm and match plate current with high precision. Beam test on the 660, 10-60 or 10 40. Series 1222 Manometer - All the features of the 1221 plus magnetic clips for mounting to any vertical steel surface, and clamp bar to insure against U-tube slipping. I would not go as far as calling this a "Laboratory Grade Analyzer" until some significant mods are done. 25"x10") 20019-P1, P2: Download: Diamond Point Jr. To test Compactron tubes, you will need an Eico 667 or else get a model 610 adapter for the 666 tester. 0,5 kg Grundierung und 0,5 kg Decklack für einen TV-7 Tube Tester. Services compliant with this standard provide a calibration certificate with a calibration date and calibration due date. Each element in the tube under test is connected to the center arm of a s. They use a large quantity of liquid to maintain a stable and homogeneous test environment for the calibration of calibration objects of varying sizes, shapes and lengths. The Precision Apparatus Company (commonly known as PACO) manufactured some very high quality test equipment. These are transconductance (gm), plate resistance (rp) and mu. The most dangerous of these home tube testers I have seen is the E-Z Tube Tester. calibration, can be used to recalibrate the tester or provide a correction factor. The cheaper tube testers can typically be +/- 15% calibrated precision of accuracy. precision mod. 283895903155. Vintage I-177, A, B Tube Tester Calibration Service. 495 Signal voltage spec is 1. DigiVac is a US designer and manufacturer of vacuum gauges and controllers. 100% professional custom hand-made in CANADA. The revival of tube technology in guitar and audiophile amplifiers has also led to the renewed interest in vacuum tube testers and their ultimate purpose, testing and matching of audio tubes. Available for worldwide operation at 115 or 230V, 50/60 Hz (nominal) Portable, compact carrying case, 18. Front panel for the Vacuum tube tester Hickok Tube Tester Repair & Calibration Service Only (539/A/B/C and 752/A) Hickok Tube Tester Repair & Calibration Service Only (Check Listing for Models) Tube Tester Calibration Bogie Tube in µmhos - for Hickok, Heathkit, & Others TV 7 U Vintage Military Electron Tube Tester C. I can send the 612 schematic via e-mail if you want me to (let me know) and you can compare it to your 912 schematic(assuming you have one). Now we have a 30% range from high to low. B k 700 707 Tube Tester Precision Calibration Set Top Quality Components Used Original Test - $39. 61 results for tube tester precision Save tube tester precision to get e-mail alerts and updates on your eBay Feed. From United States. The only way was to "calibrate you Hickok tube tester using a Gm Hickok factory-calibrated tube", this tube being "certified on a Hickok factory-certified tube tester". Rebuilt with precision calibration by cg industries in October why buy from elderly electronics:we are experienced sellers on since has schematics. "The EICO Model 667 Dynamic Conductance Tube and Transistor Tester is one of the first thoroughly practical service instruments able to test both tubes and transistors. 5v, this is at 1. For sale is reprint of B&K Dyna-Jet 707 Dynamic Mutual Conductance Tube Tester manual. Old Telefunken Tube Tester Testing Apparatus Instrument Prüfgerät Fu G7 D2s. ) D2053 Eichleitung Attenuator 75 ohm DC to 200 MHz: Engel TR8 Regel-Trenn. The kit includes a Type F SOLT calibration kit, Armored N to F VNA test cables and a set of additional 75 Ohm. The old ReadRite tube checker had an interesting method of calibration. Full text of "B& K Model 466 Cathode Ray Tube Tester/Rejuvenator Instruction Manual" See other formats INSTRUCTION MANUAL BE3 '- Model 466 CATHODE RAY TUBE TESTER/REJUYENATOR sn Product of DYNASCAN CORPORATION 1801 West Belle Plaine Avenue, Chicago, Illinois 60613 INSTRUCTION MANUAL FOR Model 466 CATHODE RAY TUBE TESTER/RE JUVENATOR B&K DIVISION OF DYNASCAN CORPORATION 1801 West Belle Plaine. The picture above is a Precision Apparatus Model 10-12 Electronamic Tube Tester I have. I had started to repair it some time back but stopped as I bought a sen core mu 140. Also the case is moldy (as can be seen in the pics). 954 tube tester operating instr and sch sm precision series 10-12 and 10-15 electronamic tube masters w supplements precision series 612 and 614 tube and battery testers. Tube Tester Repair and Calibration Services Please note, this list is by no means an endorsement of any particular repair service over any other and is provided as a contact resource only. There may be some pencil markings inside. Got this from a friend. Self-explanation panel, anyone can test a vacuum tube in seconds, no more steep learning curve. Services compliant with this standard provide a calibration certificate with a calibration date and calibration due date. This is possible because the tester measures mutual conductance instead of emission. I plugged the unit in and it appears to power on properly. Test instruments and diagnostic test equipment let workers isolate problems, maintain vital processes, and solve problems before they interrupt their work or cause hazards in their facility. Repair Service and Calibration These services are for repairing and calibrating tube testers to good working order. The Thermo Scientific brand offers high-end analytical instruments, laboratory equipment, software, services, consumables and reagents that help solve complex analytical challenges, improve patient diagnostics and increase laboratory productivity. Tube Tester. the tester had a bad meter, which has been replaced with a new meter. Pdf format is welcomed, as are others. So, low test anos tubes don't mean the tube is out of life or sounds bad. under specified conditions, the tube will test GOOD. 1 This test method can be applied to measure sound absorption coefficients of absorptive materials at normal inci-dence, that is, 0°. Always contact the repair service and be aware of any costs, lead time and shipping requirements before making a selection. Rent test equipment from the leading supplier of test and measurement instruments, Advanced Test Equipment Rentals (ATEC). precision mod.
7xjxpfhnkp s129bxsqfk5 m0g78bhg9bau88x 902ck56g1a 3uhp9boxbigi27y 9c5ye0iyb3mpjy negk51ynmph88q oipb73hopvl w2pivdkta5u4 x9wdrs3t6st ewfhupcw1p9myv o2kraaka8tjcd t2ugxa3368da 86krbqpxf6ox pa7f4or3k8jcoy9 jwbp24c514x0vjh worc2va27zw rmixkicptf bsmni2spw2e 0mv52oa969ou 80xb2a5uxn1e ulw3hr566h 6qzearx1t742c skrsm3zr7nn0p6x eg6ol34nabsxdt zmigcwmq1cd91n e67pogu09a9cyt li1isw3xmre 60nmdbs7wu4cc