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2,083 results in Business & Industrial

CRT Tube Tester Homebrew? Kit? Vacuum Valve Tester For parts or not working
Tube Testers

CRT Tube Tester Homebrew? Kit? Vacuum Valve Tester

USD $56.00

Seller: 99.7% positive

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Antique Dayrad Type 180 Analyzer Radio Tube Tester Test Osillator 1931 For Parts Used
Tube Testers

Antique Dayrad Type 180 Analyzer Radio Tube Tester Test Osillator 1931 For Parts

USD $119.95

Seller: 100.0% positive

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Vintage Quik-Chek Trouble Finder Rotating Dial Self Service Tube Tester Used
Tube Testers

Vintage Quik-Chek Trouble Finder Rotating Dial Self Service Tube Tester

USD $4.00

Seller: 100.0% positive

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1PC Replace 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer New
Tube Testers

1PC Replace 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer

USD $44.50

Seller: 100.0% positive

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2 Adaptors Hickok 533 (others) Tube Tester Electric Vintage Audio Meter Ceramic Used
Tube Testers

2 Adaptors Hickok 533 (others) Tube Tester Electric Vintage Audio Meter Ceramic

USD $69.00

Seller: 100.0% positive

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EL34 6V6 KT88 KT66 KT120 5881 6550 6L6 Amptata T1 Tube Tester Bias Current mA New
Tube Testers

EL34 6V6 KT88 KT66 KT120 5881 6550 6L6 Amptata T1 Tube Tester Bias Current mA

USD $62.10

Seller: 99.1% positive

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Hickok Model 510X Dynamic Mutual Conductance Multi Tube Tester Untested For parts or not working
Tube Testers

Hickok Model 510X Dynamic Mutual Conductance Multi Tube Tester Untested

USD $155.00

Seller: 100.0% positive

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Heathkit Tube Tester Slide switch. TPTT New New
Tube Testers

Heathkit Tube Tester Slide switch. TPTT New

USD $7.99

Seller: 100.0% positive

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Sylvania Model 140 Tube Tester Manual New
Tube Testers

Sylvania Model 140 Tube Tester Manual

USD $10.99

Seller: 99.9% positive

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Dynamic Mutual Conductance B&K DynaQuik 500 Tube Tester Panel Board Older Model Used
Tube Testers

Dynamic Mutual Conductance B&K DynaQuik 500 Tube Tester Panel Board Older Model

USD $20.00

Seller: 99.4% positive

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Vacuum Tubes Tracer - Curve Tracer for Tubes - Lampmeter Analyzer New
Tube Testers

Vacuum Tubes Tracer - Curve Tracer for Tubes - Lampmeter Analyzer

USD $87.10

Seller: 99.4% positive

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Vintage Model 70 Utility Tester Superior Instruments Co. Parts Only For parts or not working
Tube Testers

Vintage Model 70 Utility Tester Superior Instruments Co. Parts Only

USD $14.99

Seller: 99.8% positive

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Digital Meter Conversion for Hickok 539C & 539B Tube Tester New
Tube Testers

Digital Meter Conversion for Hickok 539C & 539B Tube Tester

USD $525.00

Seller: 100.0% positive

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Crookes Tube/Cathode Ray Tube Demonstrator/Kathoden Ray Tube Lab Equipment New
Tube Testers

Crookes Tube/Cathode Ray Tube Demonstrator/Kathoden Ray Tube Lab Equipment

USD $116.59

Seller: 91.7% positive

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1PC New For Olympus Endoscopes Portable Endoscope Leak Tester New
Tube Testers

1PC New For Olympus Endoscopes Portable Endoscope Leak Tester

USD $84.95

Seller: 97.3% positive

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AMPTATA V8 VACUUM 7591 7591A TUBE TESTER BIAS CURRENT mA CHECKER OCTAL MATCH New
Tube Testers

AMPTATA V8 VACUUM 7591 7591A TUBE TESTER BIAS CURRENT mA CHECKER OCTAL MATCH

USD $70.90

Seller: 100.0% positive

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WWII WESTON 774-5 TUBE TESTER owned by RALPH BAER-Father of VIDEO GAMES Working Used
Tube Testers

WWII WESTON 774-5 TUBE TESTER owned by RALPH BAER-Father of VIDEO GAMES Working

USD $695.00

Seller: 99.6% positive

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Eico 625 Tube Tester users manual & schematic with tube data, reprint New
Tube Testers

Eico 625 Tube Tester users manual & schematic with tube data, reprint

USD $9.99

Seller: 100.0% positive

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Weston 788 Navy Model OQ-3 Tube Tester Manual New – Open box
Tube Testers

Weston 788 Navy Model OQ-3 Tube Tester Manual

USD $13.99

Seller: 99.9% positive

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Signal Corps TV-2/U Military Tube Tester Used
Tube Testers

Signal Corps TV-2/U Military Tube Tester

USD $995.99

Seller: 100.0% positive

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Magnavox odessey 1972 New – Open box
Tube Testers

Magnavox odessey 1972

USD $445.00

Seller: 0.0% positive

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bk tube tester model 667 Used
Tube Testers

bk tube tester model 667

USD $130.00

Seller: 100.0% positive

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8-Pin Dual Bias Current Probes Tester w/Ampere Meter for KT88 EL34 6L6 6550 Tube New
Tube Testers

8-Pin Dual Bias Current Probes Tester w/Ampere Meter for KT88 EL34 6L6 6550 Tube

USD $69.99

Seller: 99.5% positive

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Mercury 1100A Tube Tester Instruction Manual with Tube Data New
Tube Testers

Mercury 1100A Tube Tester Instruction Manual with Tube Data

USD $14.99

Seller: 99.9% positive

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Vintage Hickok Vacuum Tube Volt OHm Capacity Milliammeter NO Probe PARTS/REPAIR For parts or not working
Tube Testers

Vintage Hickok Vacuum Tube Volt OHm Capacity Milliammeter NO Probe PARTS/REPAIR

USD $79.99

Seller: 99.7% positive

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Vintage Jackson Tube Tester Model 598 Powers On UNTESTED For parts or not working
Tube Testers

Vintage Jackson Tube Tester Model 598 Powers On UNTESTED

USD $155.00

Seller: 100.0% positive

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Dynamic Mutual Conductance B&K DynaQuik 500 Tube Tester Turns On SEE PHOTOS Used
Tube Testers

Dynamic Mutual Conductance B&K DynaQuik 500 Tube Tester Turns On SEE PHOTOS

USD $126.39

Seller: 98.6% positive

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RCP 322 322A 802NA Tube Tester Manual New – Open box
Tube Testers

RCP 322 322A 802NA Tube Tester Manual

USD $13.99

Seller: 99.9% positive

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4pcs EL34 KT88 6L6 6V6 5881 6550 KT66 KT100 Probes for Amptata V8 T1 T3 Tester New
Tube Testers

4pcs EL34 KT88 6L6 6V6 5881 6550 KT66 KT100 Probes for Amptata V8 T1 T3 Tester

USD $35.30

Seller: 100.0% positive

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

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

USD $89.97

Seller: 100.0% positive

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Amptata T4 Tube Tester Bias Current 6L6 6CA7 EL34 KT88 KT120 6V6 5881 mA Checker New
Tube Testers

Amptata T4 Tube Tester Bias Current 6L6 6CA7 EL34 KT88 KT120 6V6 5881 mA Checker

USD $44.20

Seller: 100.0% positive

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POWER TUBE CLASS A (Ip) TESTING/MATCHING New – Open box
Tube Testers

POWER TUBE CLASS A (Ip) TESTING/MATCHING

USD $34.47

Seller: 99.2% positive

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Hickok 600 Tube Tester Instruction Manual & Tube Data New
Tube Testers

Hickok 600 Tube Tester Instruction Manual & Tube Data

USD $20.00

Seller: 99.7% positive

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Hickok Model 534 Tube Tester Filament Selector Switch OEM Replacement Part Used
Tube Testers

Hickok Model 534 Tube Tester Filament Selector Switch OEM Replacement Part

USD $22.95

Seller: 99.8% positive

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Lafayette Model TE-50 Tube Tester W Instructions + Carrying Case Used
Tube Testers

Lafayette Model TE-50 Tube Tester W Instructions + Carrying Case

USD $69.99

Seller: 100.0% positive

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Readrite Ranger Model 432A Triplett Tube Tester With 742 V-O-MA Power Supply Used
Tube Testers

Readrite Ranger Model 432A Triplett Tube Tester With 742 V-O-MA Power Supply

USD $98.49

Seller: 99.5% positive

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TV-7 Tube Tester TV7 - Calibration Tube Set AND Also Marked in micromhos / umhos Used
Tube Testers

TV-7 Tube Tester TV7 - Calibration Tube Set AND Also Marked in micromhos / umhos

USD $104.99

Seller: 100.0% positive

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Jewell Vacuum Tube Tester Checker Pattern 110 Cunningham Antique Radio Parts Used
Tube Testers

Jewell Vacuum Tube Tester Checker Pattern 110 Cunningham Antique Radio Parts

USD $65.00

Seller: 100.0% positive

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Replace 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer New
Tube Testers

Replace 2920 2910 2720 2750 Quartz Glass Tube for Chemisorption Analyzer

USD $31.95

Seller: 97.3% positive

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vintage Supreme Instruments Corp. Volts-Milliamperes (untested) For parts or not working
Tube Testers

vintage Supreme Instruments Corp. Volts-Milliamperes (untested)

USD $130.00

Seller: 99.8% positive

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Eico Model 667 Dynamic Conductance Vacuum Tube & Transistor Tester - Powers On For parts or not working
Tube Testers

Eico Model 667 Dynamic Conductance Vacuum Tube & Transistor Tester - Powers On

USD $199.99

Seller: 99.4% positive

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Anode Grid Cap Small with 18" Wire 1/4" for 6K7 6JM6 EL519 EL504 EF37 New
Tube Testers

Anode Grid Cap Small with 18" Wire 1/4" for 6K7 6JM6 EL519 EL504 EF37

USD $14.95

Seller: 100.0% positive

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NEW 220V Black GS-360EN Electronic Tube Tester High Quality Vacuum Tube Tester @ New
Tube Testers

NEW 220V Black GS-360EN Electronic Tube Tester High Quality Vacuum Tube Tester @

USD $794.95

Seller: 96.9% positive

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Amptata T6 Tube Tester Bias Current EL34 6CA7 KT88 KT120 6L6 6V6 5881 mA Checker New
Tube Testers

Amptata T6 Tube Tester Bias Current EL34 6CA7 KT88 KT120 6L6 6V6 5881 mA Checker

USD $26.40

Seller: 100.0% positive

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1967 Precision Supplementary Tube Test Data for 640 and 660 Tube Testers New – Open box
Tube Testers

1967 Precision Supplementary Tube Test Data for 640 and 660 Tube Testers

USD $13.99

Seller: 99.9% positive

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Amptata T5 Vacuum Tube Tester 7591 7591A Bias Current Checker mA Model Octal New Brand New
Tube Testers

Amptata T5 Vacuum Tube Tester 7591 7591A Bias Current Checker mA Model Octal New

USD $39.67

Seller: 98.6% positive

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Vintage Hickok Model 533A Dynamic Mutual Conductance Tube Tester For parts or not working
Tube Testers

Vintage Hickok Model 533A Dynamic Mutual Conductance Tube Tester

USD $140.00

Seller: 100.0% positive

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shortec dynamic conductance analyzer pho-tonics d-41 Used
Tube Testers

shortec dynamic conductance analyzer pho-tonics d-41

USD $75.00

Seller: 99.8% positive

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