Global Industrial Parts & Equipment Supplier

Worldwide Sourcing & Distribution

Browse our extensive catalog of industrial machinery, equipment, and parts from trusted sellers

Business & Industrial Equipment
Applied Materials Lam Research Tokyo Electron Edwards Vacuum Brooks Automation Rockwell Automation Allen Bradley Siemens Omron Mitsubishi Electric ABB Festo Schneider Electric SMC Parker Bosch Turck Phoenix Contact Honeywell

1,988 results in Business & Industrial

Digital Vacuum Tube Tester New
Tube Testers

Digital Vacuum Tube Tester

USD $398.00

Seller: 100.0% positive

View Detail Request Quote
Hughes Multitracer Model 5 Vintage Vacuum Tube Test Equipment Curve Tracer Used
Tube Testers

Hughes Multitracer Model 5 Vintage Vacuum Tube Test Equipment Curve Tracer

USD $189.00

Seller: 100.0% positive

View Detail Request Quote
Weston 1559 Tube Checker Vacuum Tube Tester Vacuum Tube Checker Used
Tube Testers

Weston 1559 Tube Checker Vacuum Tube Tester Vacuum Tube Checker

USD $99.00

Seller: 94.7% positive

View Detail Request Quote
Vintage Conar Instruments Model 221 Tube Tester Untested Used
Tube Testers

Vintage Conar Instruments Model 221 Tube Tester Untested

USD $149.96

Seller: 100.0% positive

View Detail Request Quote
CLEAN 1954 MILITARY TV-7A/U TUBE TESTER For parts or not working
Tube Testers

CLEAN 1954 MILITARY TV-7A/U TUBE TESTER

USD $595.00

Seller: 99.9% positive

View Detail Request Quote
Hickok Tube Tester 539b USA Vintage Used
Tube Testers

Hickok Tube Tester 539b USA Vintage

USD $799.00

Seller: 100.0% positive

View Detail Request Quote
TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026 Used
Tube Testers

TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026

USD $1,100.00

Seller: 100.0% positive

View Detail Request Quote
Hickok model 533A Dynamic mutual conductance tube tester Used
Tube Testers

Hickok model 533A Dynamic mutual conductance tube tester

USD $300.00

Seller: 100.0% positive

View Detail Request Quote
Hickok 600A Tube Tester AsIs For Parts/Repair Only/carrying Case/UNTESTED For parts or not working
Tube Testers

Hickok 600A Tube Tester AsIs For Parts/Repair Only/carrying Case/UNTESTED

USD $277.90

Seller: 100.0% positive

View Detail Request Quote
MERCURY 1100A TUBE TESTER REFURBISHED & CALIBRATED AS B&K 606 *FLAT $10 SHIPPING Seller refurbished
Tube Testers

MERCURY 1100A TUBE TESTER REFURBISHED & CALIBRATED AS B&K 606 *FLAT $10 SHIPPING

USD $199.00

Seller: 99.6% positive

View Detail Request Quote
B&K 747 Tube TESTER, UPDATED PARTS, CALIBRATED, WALNUT VANEER CASE, PLUS EXTRAS Used
Tube Testers

B&K 747 Tube TESTER, UPDATED PARTS, CALIBRATED, WALNUT VANEER CASE, PLUS EXTRAS

USD $625.00

Seller: 100.0% positive

View Detail Request Quote
VINTAGE HICKOK 539C TUBE TESTER NEEDS VOLTS ALTERNATING CURRENT METER READ. For parts or not working
Tube Testers

VINTAGE HICKOK 539C TUBE TESTER NEEDS VOLTS ALTERNATING CURRENT METER READ.

USD $1,100.00

Seller: 100.0% positive

View Detail Request Quote
Vintage Hickok 539C Tube Tester Used
Tube Testers

Vintage Hickok 539C Tube Tester

USD $1,500.00

Seller: 100.0% positive

View Detail Request Quote
Vintage Sencore TC114 Mighty Mite II Tube Tester w/ Original Manuals Works Used
Tube Testers

Vintage Sencore TC114 Mighty Mite II Tube Tester w/ Original Manuals Works

USD $128.00

Seller: 100.0% positive

View Detail Request Quote
Conar Model 224 Vintage Tube Tester NRI Instruments w/ Case & Manual Powers On Used
Tube Testers

Conar Model 224 Vintage Tube Tester NRI Instruments w/ Case & Manual Powers On

USD $199.99

Seller: 100.0% positive

View Detail Request Quote
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: 98.1% positive

View Detail Request Quote
Digital vacuum tube tester KIT, Duokit 3 with the front panel, max Vp=500V New
Tube Testers

Digital vacuum tube tester KIT, Duokit 3 with the front panel, max Vp=500V

USD $350.00

Seller: 100.0% positive

View Detail Request Quote
HICKOK Model 333 Digital Multimeter with Probe Powers On Untested Used
Tube Testers

HICKOK Model 333 Digital Multimeter with Probe Powers On Untested

USD $125.00

Seller: 99.8% positive

View Detail Request Quote
EICO 667 Tube TesterDynamic Conductance Transistor For parts or not working
Tube Testers

EICO 667 Tube TesterDynamic Conductance Transistor

USD $129.99

Seller: 99.6% positive

View Detail Request Quote
TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026 Used
Tube Testers

TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026

USD $1,050.00

Seller: 100.0% positive

View Detail Request Quote
B&K Model 650 Dyna-Quik Dynamic Mutual Conductance Tube & Transistor Tester Used
Tube Testers

B&K Model 650 Dyna-Quik Dynamic Mutual Conductance Tube & Transistor Tester

USD $250.00

Seller: 100.0% positive

View Detail Request Quote
Dual Bias Current Probes Tester+Analog VU Meter for EL34 KT88 6L6 6V6 6550 KT66 New
Tube Testers

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

USD $59.99

Seller: 99.7% positive

View Detail Request Quote
EMC Model 213-215 Tube Tester and Manual UNTESTED For parts or not working
Tube Testers

EMC Model 213-215 Tube Tester and Manual UNTESTED

USD $60.00

Seller: 100.0% positive

View Detail Request Quote
ANOTHER B&K Dyna Jet 707 Mutual Conductance Tube Tester Refurbished & Calibrated Seller refurbished
Tube Testers

ANOTHER B&K Dyna Jet 707 Mutual Conductance Tube Tester Refurbished & Calibrated

USD $539.00

Seller: 99.6% positive

View Detail Request Quote
Mercury Model 1200 Dynamic Mutual Conductance Tube Tester Works 1960s Used
Tube Testers

Mercury Model 1200 Dynamic Mutual Conductance Tube Tester Works 1960s

USD $299.99

Seller: 99.5% positive

View Detail Request Quote
EICO Model 635 Vintage Vacuum Tube Tester works well Used
Tube Testers

EICO Model 635 Vintage Vacuum Tube Tester works well

USD $247.00

Seller: 100.0% positive

View Detail Request Quote
EICO 667 Dynamic Conductance Tube Tester WORKING Compactron Nuvistor Novar Used
Tube Testers

EICO 667 Dynamic Conductance Tube Tester WORKING Compactron Nuvistor Novar

USD $207.96

Seller: 99.8% positive

View Detail Request Quote
Vintage Precision Apparatus Series 612 Tube and Battery Tester WORKS Used
Tube Testers

Vintage Precision Apparatus Series 612 Tube and Battery Tester WORKS

USD $120.00

Seller: 100.0% positive

View Detail Request Quote
Hickok Model 534 mutual conductance vacuum tube tester. Seller refurbished
Tube Testers

Hickok Model 534 mutual conductance vacuum tube tester.

USD $350.00

Seller: 100.0% positive

View Detail Request Quote
1971 HICKOK 539b 539c ALL THE TEST DATA THERE IS, WITH WESTERN ELECTRIC MANUAL New – Open box
Tube Testers

1971 HICKOK 539b 539c ALL THE TEST DATA THERE IS, WITH WESTERN ELECTRIC MANUAL

USD $18.00

Seller: 100.0% positive

View Detail Request Quote
Hickok 539A Tube Tester Manual New
Tube Testers

Hickok 539A Tube Tester Manual

USD $14.99

Seller: 99.9% positive

View Detail Request Quote
Working SENCORE MU150 Continental II Dynamic Mutual Conductance Tube Tester Used
Tube Testers

Working SENCORE MU150 Continental II Dynamic Mutual Conductance Tube Tester

USD $350.00

Seller: 100.0% positive

View Detail Request Quote
Vintage Mercury Vacuum Tube Tester Model 990 w/ Manual - TESTED WORKING Used
Tube Testers

Vintage Mercury Vacuum Tube Tester Model 990 w/ Manual - TESTED WORKING

USD $119.00

Seller: 100.0% positive

View Detail Request Quote
Vintage Precision Apparatus Series 920 Tube Tester - Working w/ Book and Papers For parts or not working
Tube Testers

Vintage Precision Apparatus Series 920 Tube Tester - Working w/ Book and Papers

USD $249.00

Seller: 100.0% positive

View Detail Request Quote
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

View Detail Request Quote
BK Precision DynaScan 467 CRT Picture Tube Restorer/Analyzer Untested Powers On For parts or not working
Tube Testers

BK Precision DynaScan 467 CRT Picture Tube Restorer/Analyzer Untested Powers On

USD $339.99

Seller: 99.9% positive

View Detail Request Quote
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 $82.99

Seller: 100.0% positive

View Detail Request Quote
Sencore Set-Up Book Tube Data TC114 TC 130 TC136 TC142 TC154 New
Tube Testers

Sencore Set-Up Book Tube Data TC114 TC 130 TC136 TC142 TC154

USD $16.99

Seller: 99.9% positive

View Detail Request Quote
1 Pair 8-pin Bias Current Probes Tester VU Meter for EL34 KT88 6L6 6V6 6550 Tube New
Tube Testers

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

USD $59.99

Seller: 99.7% positive

View Detail Request Quote
Vintage Navy AN/USM-3A TV-4A/U Tube Tester/Elec. Repair Kit TV4 With Case Manual Used
Tube Testers

Vintage Navy AN/USM-3A TV-4A/U Tube Tester/Elec. Repair Kit TV4 With Case Manual

USD $300.00

Seller: 100.0% positive

View Detail Request Quote
TV-7 TV-7A/U TV-7B/U TV-7C/U TV-7D/U tube tester meter (replica) NEW New – Open box
Tube Testers

TV-7 TV-7A/U TV-7B/U TV-7C/U TV-7D/U tube tester meter (replica) NEW

USD $60.00

Seller: 100.0% positive

View Detail Request Quote
TV-7D/U TV-7 TV-7D Vintage Military Tube Tester (original, SN 779) Used
Tube Testers

TV-7D/U TV-7 TV-7D Vintage Military Tube Tester (original, SN 779)

USD $700.00

Seller: 100.0% positive

View Detail Request Quote
Amptata V8 Tube Tester Bias Current 6CA7 EL34 KT88 6L6 6V6 5881 KT120 mA Checker New
Tube Testers

Amptata V8 Tube Tester Bias Current 6CA7 EL34 KT88 6L6 6V6 5881 KT120 mA Checker

USD $79.66

Seller: 99.7% positive

View Detail Request Quote
Mercury Model 1100 Tube Tester Powers On UNTESTED SEE PHOTOS Used
Tube Testers

Mercury Model 1100 Tube Tester Powers On UNTESTED SEE PHOTOS

USD $149.99

Seller: 100.0% positive

View Detail Request Quote
Simpson Tube Tester Model 555 MPN 555 in Carry Case Used
Tube Testers

Simpson Tube Tester Model 555 MPN 555 in Carry Case

USD $104.99

Seller: 100.0% positive

View Detail Request Quote
1970 Tube Test Data for Hickok 539B and 539C Tube Testers New
Tube Testers

1970 Tube Test Data for Hickok 539B and 539C Tube Testers

USD $15.99

Seller: 99.9% positive

View Detail Request Quote
Knight 600 Series Tube Tester powers on w/ Manuals Sylvania Tube Guides Used
Tube Testers

Knight 600 Series Tube Tester powers on w/ Manuals Sylvania Tube Guides

USD $89.99

Seller: 99.3% positive

View Detail Request Quote
Hickok 533 Vintage Tube Tester Powers On Used
Tube Testers

Hickok 533 Vintage Tube Tester Powers On

USD $294.99

Seller: 99.7% positive

View Detail Request Quote
1 2 3 Next