2,100 results in Business & Industrial
New
Replace-- 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer1PC
USD $49.99
Seller: 93.3% positive
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Brand New
Amptata T2 Tube Tester Bias Current 6L6 EL34 KT88 6V6 5881 KT66 KT100 6550 mA
USD $55.77
Seller: 98.6% positive
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New
T4 Tube Tester Bias Current Match 6CA7 KT88 KT100 6L6 7027 6V6 EL34 KT66 6550 mA
USD $44.89
Seller: 99.4% positive
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New
VACUUM TUBE TESTER,DIGITAL LCD TESTER KIT with 4-6.3V power
USD $165.00
Seller: 100.0% positive
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For parts or not working
Vintage Commercial Trades Institute TC-20 Vacuum Tube Tester READ
USD $52.99
Seller: 99.7% positive
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Very Good
COPY OF CA-5 OPERATING DATA FOR THE HICKOK MODEL 1575 ROLL CHART TUBE TESTER
USD $9.99
Seller: 100.0% positive
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Used
Oak Ridge Cathode Ray Tube Tester 1950’s Model 106 CRT
USD $25.00
Seller: 99.2% positive
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New
Amptata T1 Valve Checker Bias Current Tester Tube mA Match Tool 7591 7591A
USD $62.00
Seller: 100.0% positive
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New
Precision Tube Tester 612 and 614 Operating Instructions
USD $12.99
Seller: 99.9% positive
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New
Amplifier EL84 6P14 6BQ5 Amptata T5 Vacuum Tube Tester Bias Current mA Version
USD $35.30
Seller: 100.0% positive
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Used
Vintage P.O.C TESTER Model ST-723 / MOG (E39) made in USA!
USD $9.74
Seller: 100.0% positive
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For parts or not working
JACKSON 648A DYNAMIC TUBE TESTER ASSEMBLY MAINFRAME (FOR PARTS REPAIR) km***
USD $55.00
Seller: 98.9% positive
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For parts or not working
Philco Model 7050 Vacuum Tube Tester
USD $85.00
Seller: 99.1% positive
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New
1PC New Replace 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer
USD $42.36
Seller: 100.0% positive
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New – Open box
Voltmeter Ammeter Meter Scale to DP-5V A B Geiger Counter spare parts
USD $50.00
Seller: 99.3% positive
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New
1PC New For Olympus Endoscopes Portable Endoscope Leak Tester
USD $84.95
Seller: 97.4% positive
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For parts or not working
Vintage B & K CRT Cathode Rejuvenator Tester Model 350 - UNTESTED
USD $29.99
Seller: 99.9% positive
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Used
Vtg Sterling R-510 Tube Tester & Reactivator Untested Cleveland Ohio USA
USD $55.00
Seller: 100.0% positive
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Used
B&K 666 Dyna Jet Tube Tester Vintage Antique Radio Repair USA Service Vacuum
USD $159.99
Seller: 100.0% positive
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Used
Superior Tube TV-11 Tester Control Panel with Sockets and Partial Switches
USD $32.00
Seller: 100.0% positive
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Used
EMC 211 Vintage Vacuum Tube Tester Compact w/ Step-Up Adapter Tested Japan Unit
USD $499.47
Seller: 100.0% positive
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Used
Bunker Ramo Vintage Collectable Grade Peripheral Tester 1980's. Powers On
USD $199.95
Seller: 98.6% positive
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Used
B&K 707 vacuum tube tester transformer stand and parts late unit
USD $14.95
Seller: 100.0% positive
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New – Open box
1967 Precision Supplementary Tube Test Data for 640 and 660 Tube Testers
USD $13.99
Seller: 99.9% positive
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New
TV-10 AU --- TV-10 DU ONLY tube tester, CR101 NEW REPLACEMENT DIODE MODULE
USD $18.00
Seller: 100.0% positive
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Used
Vintage Knight 400a tube tester tube checker Allied Radio w/ slide in tube chart
USD $135.79
Seller: 100.0% positive
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Used
Vintage 1930s Supreme Instruments Corp Tube & Radio Tester Model 504, SN 129
USD $51.25
Seller: 98.9% positive
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Used
B&K Precision CR-6 CRT Tube Tester Socket Adapter 467 470 480 490 SP-65 SP-66
USD $15.00
Seller: 100.0% positive
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New
Upgrade New st230f Mini Telephone Line Tester Network Cable Tester rortd
USD $202.60
Seller: 100.0% positive
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New
1PCS BET Sample Tube Measuring Sample Quartz Glass Tube ASAP2020 ASAP2460
USD $58.95
Seller: 100.0% positive
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New
Mercury 880 Cathode Ray Tube Tester Instruction Manual and tube data
USD $12.99
Seller: 99.9% positive
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Used
Precision Apparatus Master Tube & Battery Tester Glendale NY 1954-62 Model 10-12
USD $175.00
Seller: 100.0% positive
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Used
B&K PRECISION 467 CRT RESTORER/ANALYZER W/tube Testers-Powers up-Meters Work
USD $349.95
Seller: 100.0% positive
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Seller refurbished
heathkit tc-2 tube tester Refurbished,Upgraded & QC Tested with Test Tube Data.
USD $349.00
Seller: 100.0% positive
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New
STARK model 9-54T Service-Master Manual
USD $11.99
Seller: 99.9% positive
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For parts or not working
Hickok 532 Laboratory Grade Mutual Conductance Tube Tester 1950'S
USD $199.00
Seller: 99.4% positive
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Used
5 Ham radio transmitter amplifier short wave radio 5 pin tube sockets lot # 5
USD $14.99
Seller: 100.0% positive
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Used
2X AS IS TEXTRONIX 7B70 7B53 Dual Time Base Plug In for Oscilloscopes SKU 224125
USD $65.56
Seller: 99.9% positive
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Brand New
Amptata T1 Vacuum Tube Tester 7591 7591A Bias Current Checker mA Model Octal New
USD $70.38
Seller: 98.6% positive
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Brand New
Amptata V8 Vacuum Tube Tester 7591 7591A Bias Current Checker mA Model Octal New
USD $79.67
Seller: 98.6% positive
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Seller refurbished
PACO 640 Precision Cathode Conductance Tube Tester
USD $375.00
Seller: 100.0% positive
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Used
Hickok Instruction Manual Model 742 Tube Tester Dynamic Mutual Conductance
USD $39.99
Seller: 100.0% positive
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New – Open box
Paco T62 T-62 Tube Tester Kit Manual
USD $13.99
Seller: 99.9% positive
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Used
Working Jackson 715 tube tester
USD $99.00
Seller: 94.7% positive
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For parts or not working
Vintage Accurate Instrument Co. Tube Tester Model 151
USD $69.00
Seller: 99.6% positive
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New
B&K CRT Model C40 Color & 6.3 Volt 110 Degree Tube Adapter New In Box
USD $19.99
Seller: 99.8% positive
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Gebraucht
Vintage Electrical Tester Kit DUTEST Made in Germany
USD $98.96
Seller: 99.3% positive
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For parts or not working
RARE HICKOK Model 810 Transistor Radio Tester Tube Unit UNTESTED
USD $225.00
Seller: 99.7% positive
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