Tube Testers | Surplus Network

Vintage Heathkit TT-1 Mutual Conductance Tube Tester w/ Manuals

Vintage Heathkit TT-1 Mutual...

$468.00 USD

Vintage Heathkit TT-1 Mutual...

$468.00 USD

Vtg Central Electronics Multiphase Rejuva Tube RE-1 CRT Rejuvenator Great Shape

Vtg Central Electronics Multiphase...

$64.99 USD

Vtg Central Electronics Multiphase...

$64.99 USD

Vintage Home Tester TV & Radio Tube Tester

Vintage Home Tester TV & Radio Tube...

$35.00 USD

Vintage Home Tester TV & Radio Tube...

$35.00 USD

Superior Tube Tester Panel Meter

Superior Tube Tester Panel Meter

$35.00 USD

Superior Tube Tester Panel Meter

$35.00 USD

1940s WESTON MODEL 686 TRUE MUTUAL CONDUCTANCE VACUUM TUBE TESTER

1940s WESTON MODEL 686 TRUE MUTUAL...

$649.99 USD

1940s WESTON MODEL 686 TRUE MUTUAL...

$649.99 USD

VINTAGE RCA TUBE REPAIRMAN BOX SALESMAN CASE WITH BOXED TUBES ALL 4 ONE MONEY

VINTAGE RCA TUBE REPAIRMAN BOX...

$120.00 USD

VINTAGE RCA TUBE REPAIRMAN BOX...

$120.00 USD

VINTAGE KNIGHT 600A SERIES VACUUM TUBE TESTER

VINTAGE KNIGHT 600A SERIES VACUUM...

$120.00 USD

VINTAGE KNIGHT 600A SERIES VACUUM...

$120.00 USD

TV-7D/U Military Tube Tester. Tested Good For Basic Funcionality

TV-7D/U Military Tube Tester. Tested...

$800.00 USD

TV-7D/U Military Tube Tester. Tested...

$800.00 USD

Sencore TC142 Tube Tester In Good Working Condition

Sencore TC142 Tube Tester In Good...

$195.00 USD

Sencore TC142 Tube Tester In Good...

$195.00 USD

ANKO Teletester Tube Tester Model 72

ANKO Teletester Tube Tester Model 72

$195.00 USD

ANKO Teletester Tube Tester Model 72

$195.00 USD

RARE WESTMORE 501 LABORATORY TUBE ANALYZER/TESTER #105

RARE WESTMORE 501 LABORATORY TUBE...

$950.00 USD

RARE WESTMORE 501 LABORATORY TUBE...

$950.00 USD

VINTAGE JEWELL MODEL 199 TUBE TESTER RADIO TUBES RADIO SET ANALYZER

VINTAGE JEWELL MODEL 199 TUBE TESTER...

$75.00 USD

VINTAGE JEWELL MODEL 199 TUBE TESTER...

$75.00 USD

Vintage Superior Instruments Model 1240 Vacuum Tube Tester Portable Carry Box

Vintage Superior Instruments Model...

$75.00 USD

Vintage Superior Instruments Model...

$75.00 USD

VINTAGE CHRISTY ELECTRONIC BULB TESTER A2 VERY GOOD CONDITION WORKS

VINTAGE CHRISTY ELECTRONIC BULB...

$75.00 USD

VINTAGE CHRISTY ELECTRONIC BULB...

$75.00 USD

Knight Model 400A Vacuum Tube Tester Checker Radio Tv Amp Powers on IN BOX!

Knight Model 400A Vacuum Tube Tester...

$59.99 USD

Knight Model 400A Vacuum Tube Tester...

$59.99 USD

Vintage Heathkit TC-1 Tube Tester Unit for parts or repair

Vintage Heathkit TC-1 Tube Tester...

$59.99 USD

Vintage Heathkit TC-1 Tube Tester...

$59.99 USD

1 Pair 8-pin Bias Current Probes Tester VU Meter for EL34 KT88 6L6 6V6 6550 Tube

1 Pair 8-pin Bias Current Probes...

$59.99 USD

1 Pair 8-pin Bias Current Probes...

$59.99 USD

Vintage Simpson Model 555 Tube Tester for parts or repair

Vintage Simpson Model 555 Tube Tester...

$59.99 USD

Vintage Simpson Model 555 Tube Tester...

$59.99 USD

Precision Apparatus 500 Tube Tester for parts or repair

Precision Apparatus 500 Tube Tester...

$59.99 USD

Precision Apparatus 500 Tube Tester...

$59.99 USD

Hickok Teaching Systems 5700 Solid State Multimeter

Hickok Teaching Systems 5700 Solid...

$129.99 USD

Hickok Teaching Systems 5700 Solid...

$129.99 USD

Sencore CR 143 CRT Tester - As Is / For Parts

Sencore CR 143 CRT Tester - As Is /...

$24.99 USD

Sencore CR 143 CRT Tester - As Is /...

$24.99 USD

VINTAGE UNTESTED ACCURATE INSTRUMENT CO INK UTILITY TESTER Model 161 & MANUAL NY

VINTAGE UNTESTED ACCURATE INSTRUMENT...

$24.99 USD

VINTAGE UNTESTED ACCURATE INSTRUMENT...

$24.99 USD

EICO 625 Complete Tube Tester Manual with 1978 Tube Test Data

EICO 625 Complete Tube Tester Manual...

$13.99 USD

EICO 625 Complete Tube Tester Manual...

$13.99 USD

ESTATE THORDARSON CONDENSER TESTER

ESTATE THORDARSON CONDENSER TESTER

$54.50 USD

ESTATE THORDARSON CONDENSER TESTER

$54.50 USD

Dual Bias Current Probes Tester+Analog VU Meter for EL34 KT88 6L6 6V6 6550 KT66

Dual Bias Current Probes...

$53.99 USD

Dual Bias Current Probes...

$53.99 USD

HealthKit TC-3 Tube Tester

HealthKit TC-3 Tube Tester

$100.00 USD

HealthKit TC-3 Tube Tester

$100.00 USD

Triplett 3444 Vintage Tube Analyzer Tester Estate Item Not Working Project

Triplett 3444 Vintage Tube Analyzer...

$1,237.46 USD

Triplett 3444 Vintage Tube Analyzer...

$1,237.46 USD

PACO Model T-61 Tube Tester- Powers On

PACO Model T-61 Tube Tester- Powers On

$145.00 USD

PACO Model T-61 Tube Tester- Powers On

$145.00 USD

Philco 9100 Dynamic Mutual Conductance Tube Tester Untested

Philco 9100 Dynamic Mutual...

$200.00 USD

Philco 9100 Dynamic Mutual...

$200.00 USD

Precision 660 TUBE & Transistor TESTER w/ Paperwork ~ Tested-Working

Precision 660 TUBE & Transistor...

$129.95 USD

Precision 660 TUBE & Transistor...

$129.95 USD

Vintage Radio Products Tube Checker/Tester Burton Rogers Untested

Vintage Radio Products Tube...

$59.00 USD

Vintage Radio Products Tube...

$59.00 USD

Vintage Lafayette Tube Tester Model TE-50A with Manual

Vintage Lafayette Tube Tester Model...

$80.00 USD

Vintage Lafayette Tube Tester Model...

$80.00 USD

EICO TUBE TESTER MODEL 625

EICO TUBE TESTER MODEL 625

$125.00 USD

EICO TUBE TESTER MODEL 625

$125.00 USD

Vintage Precision Vacuum Tube & Battery Tester Model 10-12 W/ Extra Attachments

Vintage Precision Vacuum Tube &...

$125.00 USD

Vintage Precision Vacuum Tube &...

$125.00 USD

Accurate instrument co. tube tester model 257

Accurate instrument co. tube tester...

$125.00 USD

Accurate instrument co. tube tester...

$125.00 USD

Vintage Precision Tube Tester Model 612 Powers On

Vintage Precision Tube Tester Model...

$125.00 USD

Vintage Precision Tube Tester Model...

$125.00 USD

Vintage Seco Fil-Pak Model FP-1 Fil. Checker and Bias Pack Rare Tube Tester

Vintage Seco Fil-Pak Model FP-1 Fil....

$59.95 USD

Vintage Seco Fil-Pak Model FP-1 Fil....

$59.95 USD

Vintage Sylvania 140 Vacuum Tube Tester for parts or repair

Vintage Sylvania 140 Vacuum Tube...

$74.99 USD

Vintage Sylvania 140 Vacuum Tube...

$74.99 USD

Vintage Simpson 305 Tube Tester with Manuals for PARTS OR REPAIR

Vintage Simpson 305 Tube Tester with...

$74.99 USD

Vintage Simpson 305 Tube Tester with...

$74.99 USD

WESTON 777 Vintage Tube Tester for parts or repair

WESTON 777 Vintage Tube Tester for...

$74.99 USD

WESTON 777 Vintage Tube Tester for...

$74.99 USD

VINTAGE Superior Inst Co. Model TW-11 Vacuum Tube Tester for PARTS OR REPAIR

VINTAGE Superior Inst Co. Model TW-11...

$49.99 USD

VINTAGE Superior Inst Co. Model TW-11...

$49.99 USD

Vintage RCA Color Picture Tube Tester WT-115A Powers On Free Ship

Vintage RCA Color Picture Tube Tester...

$49.99 USD

Vintage RCA Color Picture Tube Tester...

$49.99 USD

EMC Tube Tester Model 213 Untested Electronic Measurements Corp. Nee York USA

EMC Tube Tester Model 213 Untested...

$49.99 USD

EMC Tube Tester Model 213 Untested...

$49.99 USD

SENCORE CR143 CRT Cathode Ray TUBE TESTER partially tested READ

SENCORE CR143 CRT Cathode Ray TUBE...

$49.99 USD

SENCORE CR143 CRT Cathode Ray TUBE...

$49.99 USD

VINTAGE Supreme Model 589 Vacuum Tube Tester for parts or repair

VINTAGE Supreme Model 589 Vacuum Tube...

$49.99 USD

VINTAGE Supreme Model 589 Vacuum Tube...

$49.99 USD

Vintage EMC Radio Tube Tester Model 208 NYC USA Powers On Untested

Vintage EMC Radio Tube Tester Model...

$68.00 USD

Vintage EMC Radio Tube Tester Model...

$68.00 USD

Precision Model 910 Tube Tester Panel Meter

Precision Model 910 Tube Tester Panel...

$40.00 USD

Precision Model 910 Tube Tester Panel...

$40.00 USD

Jackson Tube Tester Panel Meter

Jackson Tube Tester Panel Meter

$40.00 USD

Jackson Tube Tester Panel Meter

$40.00 USD

2 Manual Set, Western-Electric KS-15750-L1 w/clear Schematic, Calibration Instr

2 Manual Set, Western-Electric...

$40.00 USD

2 Manual Set, Western-Electric...

$40.00 USD

Vintage Supreme Model 89 Deluxe Tube Tester - For Parts or Restoration

Vintage Supreme Model 89 Deluxe Tube...

$74.00 USD

Vintage Supreme Model 89 Deluxe Tube...

$74.00 USD

eico 667 tube tester face plate

eico 667 tube tester face plate

$25.00 USD

eico 667 tube tester face plate

$25.00 USD

Vintage Sencore Model CR143 CRT Tube Tester

Vintage Sencore Model CR143 CRT Tube...

$25.00 USD

Vintage Sencore Model CR143 CRT Tube...

$25.00 USD

Western-Electric KS-15750-L1 Manual w/clear Schematic, Calibration Instr.

Western-Electric KS-15750-L1 Manual...

$25.00 USD

Western-Electric KS-15750-L1 Manual...

$25.00 USD

Western-Electric KS-15750-L1 Manual 11x17 Schematic Calibration & Test Data CA-4

Western-Electric KS-15750-L1 Manual...

$25.00 USD

Western-Electric KS-15750-L1 Manual...

$25.00 USD

Vintage Large Sears Silvertone Tube Tester & Store Display U-Test-M 1900 Amp

Vintage Large Sears Silvertone Tube...

$479.00 USD

Vintage Large Sears Silvertone Tube...

$479.00 USD

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

B&K Precision 700 7O7 DynaJet Vacuum...

$190.00 USD

B&K Precision 700 7O7 DynaJet Vacuum...

$190.00 USD

Heathkit mutual conductance tube tester

Heathkit mutual conductance tube tester

$265.00 USD

Heathkit mutual conductance tube tester

$265.00 USD

Anode Grid Cap and 18" 30KV Wire 9/16" for 805 811 813 572B 866A 872 Large

Anode Grid Cap and 18" 30KV Wire...

$14.95 USD

Anode Grid Cap and 18" 30KV Wire...

$14.95 USD

Conar Model 223 Vacuum Tube Tester powers on

Conar Model 223 Vacuum Tube Tester...

$99.99 USD

Conar Model 223 Vacuum Tube Tester...

$99.99 USD

Vintage Simpson 305 Tube Tester with Manual Partially Tested

Vintage Simpson 305 Tube Tester with...

$99.99 USD

Vintage Simpson 305 Tube Tester with...

$99.99 USD

Vintage Cathode Beamer Kinescope Analyzer Raytronic Laboratories CB-54A

Vintage Cathode Beamer Kinescope...

$140.00 USD

Vintage Cathode Beamer Kinescope...

$140.00 USD

HICKOK 800K TUBE TESTER

HICKOK 800K TUBE TESTER

$475.00 USD

HICKOK 800K TUBE TESTER

$475.00 USD

Hickok 752 752A Tube Test Data Book

Hickok 752 752A Tube Test Data Book

$11.99 USD

Hickok 752 752A Tube Test Data Book

$11.99 USD

EICO 635 Tube Tester Manual with 1976 Tube Test Data

EICO 635 Tube Tester Manual with 1976...

$11.99 USD

EICO 635 Tube Tester Manual with 1976...

$11.99 USD

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

TV-7 Series Tube Tester - Calibration...

$77.99 USD

TV-7 Series Tube Tester - Calibration...

$77.99 USD

VINTAGE NRI VACCUM TUBE VOLTMETER

VINTAGE NRI VACCUM TUBE VOLTMETER

$45.00 USD

VINTAGE NRI VACCUM TUBE VOLTMETER

$45.00 USD

Tube Tester Calibration Bogie Tube in micromhos µmhos for Hickok, Heathkit, etc

Tube Tester Calibration Bogie Tube in...

$57.99 USD

Tube Tester Calibration Bogie Tube in...

$57.99 USD

Sylvania Model 140 Tube Tester Manual

Sylvania Model 140 Tube Tester Manual

$10.99 USD

Sylvania Model 140 Tube Tester Manual

$10.99 USD

Century Electronics FC-2 Tube Tester Manual

Century Electronics FC-2 Tube Tester...

$10.99 USD

Century Electronics FC-2 Tube Tester...

$10.99 USD

NEW! Updated TV-7 Test Settings Book - Many Updates and Corrections!

NEW! Updated TV-7 Test Settings Book...

$19.95 USD

NEW! Updated TV-7 Test Settings Book...

$19.95 USD

Precision Tube Test Data for 910 912 914 915 920 922 954 Tube Testers

Precision Tube Test Data for 910 912...

$9.99 USD

Precision Tube Test Data for 910 912...

$9.99 USD

Paco T60 T-60 Tube Tester Kit Manual

Paco T60 T-60 Tube Tester Kit Manual

$9.99 USD

Paco T60 T-60 Tube Tester Kit Manual

$9.99 USD

Precision Supplementary Tube Test Data MRC(GK) for 10-12, 15, 20, 22, 54

Precision Supplementary Tube Test...

$9.99 USD

Precision Supplementary Tube Test...

$9.99 USD

B&K Precision 747 747B DynaJet Vacuum Tube Tester, REPAIR CALIBRATION SERVICE

B&K Precision 747 747B DynaJet...

$255.00 USD

B&K Precision 747 747B DynaJet...

$255.00 USD

Supreme Radio Analyzer Vintage Blue Tube Tester Model 339 with Adapters

Supreme Radio Analyzer Vintage Blue...

$185.00 USD

Supreme Radio Analyzer Vintage Blue...

$185.00 USD

Digital vacuum tube tester KIT, Duokit3 with the front panel

Digital vacuum tube tester KIT,...

$350.00 USD

Digital vacuum tube tester KIT,...

$350.00 USD

1 Vintage Westinghouse NE45 Neon Glow Bulb lamp 1/4 Watt for Hickok tube testers

1 Vintage Westinghouse NE45 Neon Glow...

$14.99 USD

1 Vintage Westinghouse NE45 Neon Glow...

$14.99 USD

RCP Tube & Set Tester Model 802 N Tube Tester RADIO CITY PRODUCTS NY USA

RCP Tube & Set Tester Model 802 N...

$89.99 USD

RCP Tube & Set Tester Model 802 N...

$89.99 USD

Jackson 648 - 1 Dynamic Tube Tester * Special Tube Data * Turns On

Jackson 648 - 1 Dynamic Tube Tester *...

$199.00 USD

Jackson 648 - 1 Dynamic Tube Tester *...

$199.00 USD

Heathkit TT-1 Mutual Conductance Tube Tester TTA-1-1 lid panel upgrade

Heathkit TT-1 Mutual Conductance Tube...

$199.00 USD

Heathkit TT-1 Mutual Conductance Tube...

$199.00 USD

Set Kelvin Clip for LCR Meter with 4 Banana plug Test Wires 2 Alligator clips

Set Kelvin Clip for LCR Meter with 4...

$17.95 USD

Set Kelvin Clip for LCR Meter with 4...

$17.95 USD

SENCORE TC109 MIGHTY MITE VACUUM TUBE TESTER partially tested READ

SENCORE TC109 MIGHTY MITE VACUUM TUBE...

$124.99 USD

SENCORE TC109 MIGHTY MITE VACUUM TUBE...

$124.99 USD

EICO model 635 TUBE TESTER + Tube Data book WORKS

EICO model 635 TUBE TESTER + Tube...

$299.99 USD

EICO model 635 TUBE TESTER + Tube...

$299.99 USD

Eico Model 628 Vintage Tube Tester Powers on Untested Missing Knobs

Eico Model 628 Vintage Tube Tester...

$106.25 USD

Eico Model 628 Vintage Tube Tester...

$106.25 USD

Triplett 3414 tube tester

Triplett 3414 tube tester

$175.00 USD

Triplett 3414 tube tester

$175.00 USD

TV-7D/U Military Tube Tester Very Nice Condition WORKS.

TV-7D/U Military Tube Tester Very...

$1,000.00 USD

TV-7D/U Military Tube Tester Very...

$1,000.00 USD

TV-7/U TV-7A/U TV-7B/U TV-7D/U TV-10/U CR101 RECTIFIER REPLACEMENT, NEW

TV-7/U TV-7A/U TV-7B/U TV-7D/U...

$16.00 USD

TV-7/U TV-7A/U TV-7B/U TV-7D/U...

$16.00 USD

B&K 747 Tube tester, calibrated, new walnut veneer case, new test lead

B&K 747 Tube tester, calibrated, new...

$675.00 USD

B&K 747 Tube tester, calibrated, new...

$675.00 USD

Hickok 6000A Vintage Mutual Conductance Tube Tester (basic functionality OK)

Hickok 6000A Vintage Mutual...

$490.00 USD

Hickok 6000A Vintage Mutual...

$490.00 USD

Vintage Weston Model 505 Tube Tester - UNTESTED AS-IS

Vintage Weston Model 505 Tube Tester...

$118.99 USD

Vintage Weston Model 505 Tube Tester...

$118.99 USD

New roll chart window for all Hickok and military tube testers using roll chart

New roll chart window for all Hickok...

$26.00 USD

New roll chart window for all Hickok...

$26.00 USD

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

Amptata T6 Tube Tester Bias Current...

$29.66 USD

Amptata T6 Tube Tester Bias Current...

$29.66 USD

VINTAGE B & K MODEL 600 DYNA-QUICK VACUUM TUBE TESTER for parts or repair

VINTAGE B & K MODEL 600 DYNA-QUICK...

$79.99 USD

VINTAGE B & K MODEL 600 DYNA-QUICK...

$79.99 USD

Vitameter Cathode Vitalizer Electronic Test Instrument Corp Detroit FOR PARTS

Vitameter Cathode Vitalizer...

$19.99 USD

Vitameter Cathode Vitalizer...

$19.99 USD

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

Amptata T4 Tube Tester Bias Current...

$49.66 USD

Amptata T4 Tube Tester Bias Current...

$49.66 USD

VINTAGE JEWELL MODEL 199 RADIO SET ANALYZER TUBE FILAMENT TESTER 1920S

VINTAGE JEWELL MODEL 199 RADIO SET...

$69.00 USD

VINTAGE JEWELL MODEL 199 RADIO SET...

$69.00 USD

Dayrad Radio Tube Tester Antique Test Equipment The Radio Products Co Dayton,OH.

Dayrad Radio Tube Tester Antique Test...

$76.00 USD

Dayrad Radio Tube Tester Antique Test...

$76.00 USD

Triplett Tube Tester 3414 Manual

Triplett Tube Tester 3414 Manual

$12.99 USD

Triplett Tube Tester 3414 Manual

$12.99 USD

Jackson 648 Improved Tube Tester Manual with Tube Test Data

Jackson 648 Improved Tube Tester...

$16.99 USD

Jackson 648 Improved Tube Tester...

$16.99 USD

Vacuum tube tester with the front panel

Vacuum tube tester with the front panel

$320.00 USD

Vacuum tube tester with the front panel

$320.00 USD