2,082 results in Business & Industrial
Used
Vintage B&K Dyna-Jet Dynascan 747 Mutual Conductance Tube Tester Checker #1
USD $300.00
Seller: 100.0% positive
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Used
Vintage Self Service Tube Tester Store Display Cabinet
USD $250.00
Seller: 100.0% positive
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Used
Hickok 534B Tube Tester Dynamic Mutual Conductance Analyzer As Is Untested Power
USD $170.00
Seller: 98.8% positive
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New
Digital vacuum tube tester KIT, Duokit 3 with the front panel
USD $350.00
Seller: 100.0% positive
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New – Open box
VINTAGE MICROMHOS MILITARY TUBE TESTER (NEW OLD STOCK) GREENWOOD MISSISSIPPI
USD $59.99
Seller: 100.0% positive
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Seller refurbished
Hickok 539C Tube Tester – Restored – Meter Upgrades – Free Ship CONUS (b41)
USD $1,695.00
Seller: 100.0% positive
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Seller refurbished
PRECISION APPARATUS TUBE TESTER Model 612 Clean! Well-Tested Works Great! (1948)
USD $139.99
Seller: 99.8% positive
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Used
TV-7D/U military tube tester -- good working condition.
USD $899.00
Seller: 100.0% positive
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New
Used
Hickok 539B Tube Tester Powers up
USD $525.00
Seller: 100.0% positive
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Used
Heathkit TC-2 Vacuum Tube Tester Vintage Audio Ham Radio Amp
USD $104.95
Seller: 99.5% positive
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Used
TV-7 D/U Military Tube Tester Excellent Condition refurbished/calibrated Dec '25
USD $1,399.99
Seller: 100.0% positive
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Seller refurbished
Excellent Triplett 3444 Mutual Conductance Tube Tester - Calibrated
USD $1,995.00
Seller: 100.0% positive
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Used
Weston Model 774 TYPE 4 VALVE TUBE TESTER ANALYSER
USD $349.89
Seller: 99.2% positive
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For parts or not working
Hickok Model 750 Dynamic Tube Tester
USD $450.00
Seller: 100.0% positive
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Used
U.S. ARMY SIGNAL CORPS TV-2/U Military Tube Tester Works Good 30 Day Returns
USD $735.00
Seller: 100.0% positive
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For parts or not working
B&K 707 VACUUM TUBE TESTER DYNA-JET PARTS OR REPAIR (NO POWER)
USD $199.95
Seller: 99.9% positive
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For parts or not working
(PARTS ONLY) Knight Model 400 Vacuum Tube Checker Allied Radio Chicago USA
USD $35.00
Seller: 99.9% positive
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Used
Hickok 539C Direct-reading Transconductance Vacuum Tube Tester w/ Manuals
USD $1,295.88
Seller: 99.5% positive
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New – Open box
EICO 625 Complete Tube Tester Manual with 1978 Tube Test Data
USD $13.99
Seller: 99.9% positive
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For parts or not working
TUBE SOCKET MX-1417/U ADAPTER FOR HICKOCK 547 Hickok
USD $95.00
Seller: 100.0% positive
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Used
NRI Professional Signal Generator Model 88 RF Radio Frequency Tuner Transmitter
USD $79.00
Seller: 100.0% positive
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Seller refurbished
TV-7D/U Tube Tester Calibrated
USD $1,250.00
Seller: 100.0% positive
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New – Open box
1971 HICKOK 539b 539c ALL THE TEST DATA THERE IS, WITH WESTERN ELECTRIC MANUAL
USD $18.00
Seller: 100.0% positive
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New
45 2A3 300B tube amp plate current bias testers $16ea SHIP DAILY FROM USA
USD $16.00
Seller: 100.0% positive
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For parts or not working
Vintage Commercial Trades Institute TC-18 Vacuum Tube Tester READ
USD $52.99
Seller: 99.7% positive
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New – Open box
Jackson 648 Improved Tube Tester Manual with Tube Test Data
USD $16.99
Seller: 99.9% 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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Used
vintage IFS Fil-Check Model CT-1 vacuum tube tester
USD $100.00
Seller: 100.0% positive
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Used
ACCURATE INSTRUMENT Co. Model 151 Vacuum Tube Tester with Manual Booklet
USD $125.00
Seller: 100.0% positive
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New – Open box
Precision Tube Test Data for 910 912 914 915 920 922 954 Tube Testers
USD $12.99
Seller: 99.9% positive
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New
Neon Light Tester Portable Handheld Neon Tube Fluorescent LED Detector Repair
USD $18.15
Seller: 98.6% positive
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New
Test Lead for HICKOK TV7 series Military Tube Tester
USD $10.95
Seller: 100.0% positive
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For parts or not working
New – Open box
Weston 981 type 3 Tube Tester Manual
USD $12.99
Seller: 99.9% positive
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For parts or not working
VINTAGE Supreme Model 504-A Vacuum Tube Tester for parts or repair
USD $34.99
Seller: 99.7% positive
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Used
Tube Tester Metal 6L6 Calibration Bogie Tube in umhos for Hickok, Heathkit, etc
USD $46.99
Seller: 100.0% positive
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For parts or not working
Jackson 637 Tube Tester For Parts
USD $40.00
Seller: 100.0% positive
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Used
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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For parts or not working
Hickok Dynamic Beta Model- 870 Transistor Tester Power Only
USD $325.00
Seller: 99.6% positive
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Seller refurbished
Another Excellent B&K 606 Tube Tester SERVICED & CALIBRATED Plug & Play Ready
USD $239.00
Seller: 100.0% positive
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New
Heathkit Tube Tester Replacement Selector Knob Sets
USD $10.99
Seller: 100.0% positive
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Used
Hickok 752 Tube Tester Powers up
USD $525.00
Seller: 100.0% positive
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New
Dual Bias Current Probes Tester+Analog VU Meter for EL34 KT88 6L6 6V6 6550 KT66
USD $59.99
Seller: 99.5% positive
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New
4PCS - HICKOK PET Blank Data Punch Cards Cardmatic Tube Tester 118B KS-15874-L2
USD $10.81
Seller: 100.0% positive
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New
Weston 978 Tube Tester Instruction Manual
USD $15.99
Seller: 99.9% positive
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For parts or not working
Superior Instruments TD-55 Vacuum Tube Tester Untested with Instructions
USD $68.24
Seller: 100.0% positive
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Used
Hickok 800 Vacuum Tube /Transistor Tester, 9 pin base extender, and data books.
USD $649.99
Seller: 100.0% positive
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