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2,067 results in Business & Industrial

1PC BET Sample Tube Measuring Sample Quartz Glass Tube ASAP2020 ASAP2460 New
Tube Testers

1PC BET Sample Tube Measuring Sample Quartz Glass Tube ASAP2020 ASAP2460

USD $122.82

Seller: 100.0% positive

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22 Spectrum Tube & 220v/50-60 Hz (Optional) Power Supply with Intensity Control New
Tube Testers

22 Spectrum Tube & 220v/50-60 Hz (Optional) Power Supply with Intensity Control

USD $207.48

Seller: 95.0% positive

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HICKOK MODEL 860 INJECTO TRACER AS/IS For parts or not working
Tube Testers

HICKOK MODEL 860 INJECTO TRACER AS/IS

USD $250.00

Seller: 100.0% positive

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HICKOK 539C TUBE TESTER LATE MODEL S/N 523-00149 ORIGINAL BIAS DC METER Used
Tube Testers

HICKOK 539C TUBE TESTER LATE MODEL S/N 523-00149 ORIGINAL BIAS DC METER

USD $299.99

Seller: 100.0% positive

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Triplett Tube Tester 3212 2413 Manual with Tube Data New
Tube Testers

Triplett Tube Tester 3212 2413 Manual with Tube Data

USD $14.99

Seller: 99.9% positive

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Hickok KS-15559-L1 KS-15560-L1 Tube Tester Manual New
Tube Testers

Hickok KS-15559-L1 KS-15560-L1 Tube Tester Manual

USD $12.99

Seller: 99.9% positive

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U.S. Army Signal Corps TV-2/U Electron Tube Tester / Test Set - CBS-Columbia Inc Used
Tube Testers

U.S. Army Signal Corps TV-2/U Electron Tube Tester / Test Set - CBS-Columbia Inc

USD $800.00

Seller: 100.0% positive

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Heathkit TC-2 Tube Tester for Parts/Repair Junk For parts or not working
Tube Testers

Heathkit TC-2 Tube Tester for Parts/Repair Junk

USD $47.95

Seller: 99.8% positive

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Supreme 504-B Tube Tester Line Voltage Rheostat 300 ohm Tests OK! (504A or B) New – Open box
Tube Testers

Supreme 504-B Tube Tester Line Voltage Rheostat 300 ohm Tests OK! (504A or B)

USD $29.99

Seller: 99.8% positive

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Sencore MU150 Continental II Tube Tester - Parts Or Repair Used
Tube Testers

Sencore MU150 Continental II Tube Tester - Parts Or Repair

USD $199.00

Seller: 100.0% positive

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Vintage Knight model KG-600B Tube Tester in Carry Case w/ Instructions Used
Tube Testers

Vintage Knight model KG-600B Tube Tester in Carry Case w/ Instructions

USD $120.00

Seller: 100.0% positive

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Phaostron TV-2B/U Tube Tester Percent Quality Meter Not Original Read Descri Used
Tube Testers

Phaostron TV-2B/U Tube Tester Percent Quality Meter Not Original Read Descri

USD $239.00

Seller: 100.0% positive

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Vintage Mercury 1101 Tube Tester With Manual & Tube Chart Powers On Estate Find For parts or not working
Tube Testers

Vintage Mercury 1101 Tube Tester With Manual & Tube Chart Powers On Estate Find

USD $149.99

Seller: 100.0% positive

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Vintage B & K CRT Cathode Rejuvenator Tester Model 400 Powers On Untested Used
Tube Testers

Vintage B & K CRT Cathode Rejuvenator Tester Model 400 Powers On Untested

USD $33.40

Seller: 99.4% positive

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Vintage SENCORE CR133 CATHODE RAY TUBE TESTER Used
Tube Testers

Vintage SENCORE CR133 CATHODE RAY TUBE TESTER

USD $66.15

Seller: 98.8% positive

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Signal Corps I-177 DYNAMIC MUTUAL CONDUCTANCE MILITARY TUBE TESTER Used
Tube Testers

Signal Corps I-177 DYNAMIC MUTUAL CONDUCTANCE MILITARY TUBE TESTER

USD $245.98

Seller: 100.0% positive

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*USA* TV-7D/U TESTER TV-7 5 MANUAL SET New
Tube Testers

*USA* TV-7D/U TESTER TV-7 5 MANUAL SET

USD $66.00

Seller: 100.0% positive

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EICO 666 DYNAMIC CONDUCTANCE TUBE TESTER - Tested & Appears to Function - AS-IS For parts or not working
Tube Testers

EICO 666 DYNAMIC CONDUCTANCE TUBE TESTER - Tested & Appears to Function - AS-IS

USD $149.99

Seller: 100.0% positive

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Sencore TC-154 TC154 Mighty Mite Tube Tester Manual New
Tube Testers

Sencore TC-154 TC154 Mighty Mite Tube Tester Manual

USD $11.99

Seller: 99.9% positive

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CG ELECTRONICS 36-540 TUBE TESTER Used
Tube Testers

CG ELECTRONICS 36-540 TUBE TESTER

USD $80.00

Seller: 99.1% positive

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Vintage Lafayette TE-15 Portable Tube Tester w/Instructions & Tube Chart - NICE! Used
Tube Testers

Vintage Lafayette TE-15 Portable Tube Tester w/Instructions & Tube Chart - NICE!

USD $95.00

Seller: 99.2% positive

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Hickok 605A Dynamic Mutual Conductance Tube Tester Manual New
Tube Testers

Hickok 605A Dynamic Mutual Conductance Tube Tester Manual

USD $11.99

Seller: 99.9% positive

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Hickok 539B Tube Tester Operating Manual New
Tube Testers

Hickok 539B Tube Tester Operating Manual

USD $12.99

Seller: 99.9% positive

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😍WEBSTER MODEL B PORTABLE HARDNESS TESTER WITH TEST STRIP FOR METAL MODEL B Used
Tube Testers

😍WEBSTER MODEL B PORTABLE HARDNESS TESTER WITH TEST STRIP FOR METAL MODEL B

USD $89.99

Seller: 99.9% positive

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1 10K 10,000 ohm 50W watt resistor 1% tolerance Dale RH-50 50W chassis mount New
Tube Testers

1 10K 10,000 ohm 50W watt resistor 1% tolerance Dale RH-50 50W chassis mount

USD $9.29

Seller: 100.0% positive

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Vintage Mercury AD-4 Compactron Tube Tester Adapter Used
Tube Testers

Vintage Mercury AD-4 Compactron Tube Tester Adapter

USD $50.00

Seller: 99.7% positive

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Front panel of the Vacuum tube tester New
Tube Testers

Front panel of the Vacuum tube tester

USD $110.00

Seller: 100.0% positive

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Hickok 532 Laboratory Grade Mutual Conductance Tube Tester 1950'S For parts or not working
Tube Testers

Hickok 532 Laboratory Grade Mutual Conductance Tube Tester 1950'S

USD $199.00

Seller: 99.4% positive

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Vintage Jackson Tube Tester Model 636 - ORIGINAL ROLL TUBE CHART Used
Tube Testers

Vintage Jackson Tube Tester Model 636 - ORIGINAL ROLL TUBE CHART

USD $97.50

Seller: 99.7% positive

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B&K Cathode Ray Tube Model 466 CRT Tester Rejuvenator Dynascan Adapters Used
Tube Testers

B&K Cathode Ray Tube Model 466 CRT Tester Rejuvenator Dynascan Adapters

USD $82.95

Seller: 99.7% positive

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Vintage Precision Apparatus 612 Tube Tester. For parts or not working
Tube Testers

Vintage Precision Apparatus 612 Tube Tester.

USD $220.00

Seller: 100.0% positive

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Electrostatic Tester - Model Esh SRIC 10,000-40,000 Volts Used
Tube Testers

Electrostatic Tester - Model Esh SRIC 10,000-40,000 Volts

USD $350.00

Seller: 99.9% positive

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Accurate Instrument Co. Tube Tester Model 257 UNTESTED PARTS REPAIR With Manual For parts or not working
Tube Testers

Accurate Instrument Co. Tube Tester Model 257 UNTESTED PARTS REPAIR With Manual

USD $54.95

Seller: 99.8% positive

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TV-7 Series Tube Tester - Calibration Tube Set - TV7 TV-7-D/U TV-7 - Bogie Tubes Used
Tube Testers

TV-7 Series Tube Tester - Calibration Tube Set - TV7 TV-7-D/U TV-7 - Bogie Tubes

USD $77.99

Seller: 100.0% positive

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*USA* ULTIMATE HICKOK 533A Tube Tester MANUAL with supper clear schematic New
Tube Testers

*USA* ULTIMATE HICKOK 533A Tube Tester MANUAL with supper clear schematic

USD $24.00

Seller: 100.0% positive

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2- Vector 7-Pin Test Socket Adapters for Tube Tester Used
Tube Testers

2- Vector 7-Pin Test Socket Adapters for Tube Tester

USD $24.99

Seller: 100.0% positive

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Precision Tube Tester 10-40 Manual with Tube Test Supplement Data New
Tube Testers

Precision Tube Tester 10-40 Manual with Tube Test Supplement Data

USD $12.99

Seller: 99.9% positive

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Digital vacuum tube tester KIT, Duokit 2 with the front panel New
Tube Testers

Digital vacuum tube tester KIT, Duokit 2 with the front panel

USD $345.00

Seller: 100.0% positive

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LEADER LCT-910 CRT TESTER / REJUVENATOR IN Hard Case VERY RARE Used
Tube Testers

LEADER LCT-910 CRT TESTER / REJUVENATOR IN Hard Case VERY RARE

USD $299.97

Seller: 99.5% positive

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Vintage Hickok Cardmatic 123A Dynamic Mutual Conductance Tube Tester w/123 Cards For parts or not working
Tube Testers

Vintage Hickok Cardmatic 123A Dynamic Mutual Conductance Tube Tester w/123 Cards

USD $299.99

Seller: 99.5% positive

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B&K Precision 700 7O7 DynaJet Vacuum Tube Tester, REPAIR CALIBRATION SERVICE Used
Tube Testers

B&K Precision 700 7O7 DynaJet Vacuum Tube Tester, REPAIR CALIBRATION SERVICE

USD $190.00

Seller: 100.0% positive

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Jackson 637 Tube Tester Manual with Tube Test Data New – Open box
Tube Testers

Jackson 637 Tube Tester Manual with Tube Test Data

USD $12.99

Seller: 99.9% positive

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Vintage Precision Tester Model 650 PARTS ONLY Knobs Buttons Meter Chart For parts or not working
Tube Testers

Vintage Precision Tester Model 650 PARTS ONLY Knobs Buttons Meter Chart

USD $40.00

Seller: 100.0% positive

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Neon Light Tester Portable Handheld Neon Tube Fluorescent LED Detector Repair New
Tube Testers

Neon Light Tester Portable Handheld Neon Tube Fluorescent LED Detector Repair

USD $18.15

Seller: 98.6% positive

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1930s Apparatus Design Model B Unameter Radio Tube Tester Large Dial Suitcase For parts or not working
Tube Testers

1930s Apparatus Design Model B Unameter Radio Tube Tester Large Dial Suitcase

USD $75.00

Seller: 99.9% positive

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TV-7 D/U Military Tube Tester Mint Condition refurbished/calibrated Sept '25 Used
Tube Testers

TV-7 D/U Military Tube Tester Mint Condition refurbished/calibrated Sept '25

USD $1,399.99

Seller: 100.0% positive

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Hickok Dynamic Beta Model- 870 Transistor Tester w/case !!Rare!!!!S1 Used
Tube Testers

Hickok Dynamic Beta Model- 870 Transistor Tester w/case !!Rare!!!!S1

USD $699.99

Seller: 99.9% positive

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Vintagw HICKOK Model 1890 In-Circuit Transistor Tester In Case For parts or not working
Tube Testers

Vintagw HICKOK Model 1890 In-Circuit Transistor Tester In Case

USD $143.99

Seller: 100.0% positive

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