Testers

Browse our selection of quality testers products

Showing 19 of 19 products

Klein Tools NCVT3P Dual Range Non Contact Voltage Tester, 12 - 1000V AC Pen, Flashlight, Audible and Flashing LED Alarms, Pocket Clip by KLEIN TOOLS - used condition - $24.88
Klein Tools NCVT3P Dual Range Non Contact Voltage Tester, 12 - 1000V AC Pen, Flashlight, Audible and Flashing LED Alarms, Pocket Clip
Used
$2488
$2997
-17% Save $509
Update: 15 hours 53 mins
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Klein Tools VDV501-851 Cable Tester Kit with Scout Pro 3 for Ethernet / Data, Coax / Video and Phone Cables, 5 Locator Remotes by KLEIN TOOLS - used condition - $93.73
Klein Tools VDV501-851 Cable Tester Kit with Scout Pro 3 for Ethernet / Data, Coax / Video and Phone Cables, 5 Locator Remotes
Used
$9373
$9998
-7% Save $625
Update: 15 hours 54 mins
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Klein Tools ET450 Advanced Underground Circuit Breaker Finder and Wire Tracer Kit for Energized and Non-Energized Breakers, Fuses, and Wires by KLEIN TOOLS - used condition - $269.99
Klein Tools ET450 Advanced Underground Circuit Breaker Finder and Wire Tracer Kit for Energized and Non-Energized Breakers, Fuses, and Wires
Used
$26999
$29999
-10% Save $3000
Update: 15 hours 56 mins
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Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries by KLEIN TOOLS - used condition - $56.98
Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries
Used
$5698
$5999
-6% Save $301
Update: 15 hours 58 mins
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Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester with LCD and Flashlight, Voltage Electrical Test Kit by KLEIN TOOLS - used condition - $37.17
Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester with LCD and Flashlight, Voltage Electrical Test Kit
Used
$3717
$3997
-8% Save $280
Update: 15 hours 58 mins
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Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, GFCI and AFCI Tester, Voltage Drop, Displays Trip Time by KLEIN TOOLS - used condition - $143.66
Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, GFCI and AFCI Tester, Voltage Drop, Displays Trip Time
Used
$14366
$15999
-11% Save $1633
Update: 15 hours 58 mins
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Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems by KLEIN TOOLS - used condition - $12.72
Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems
Used
$1272
$1398
-10% Save $126
Update: 15 hours 59 mins
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Klein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance by KLEIN TOOLS - used condition - $71.09
Klein Tools MM420 Digital Multimeter, Auto-Ranging TRMS Multimeter, 600V AC/DC Voltage, 10A AC/DC Current, 50 MOhms Resistance
Used
$7109
$9242
-24% Save $2133
Update: 15 hours 59 mins
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Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and Continuity by KLEIN TOOLS - used condition - $27.88
Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester, Tests Batteries, Current, Resistance, Diodes, and Continuity
Used
$2788
$3497
-21% Save $709
Update: 15 hours 59 mins
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Klein Tools CL800 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Volt/Current, LOZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000V by KLEIN TOOLS - used condition - $126.80
Klein Tools CL800 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Volt/Current, LOZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000V
Used
$12680
$13996
-10% Save $1316
Update: 15 hours 59 mins
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Klein Tools 80025 Outlet Tester Kit with GFCI Tester and Non-Contact Voltage Test Pen, 2-Piece by KLEIN TOOLS - used condition - $21.11
Klein Tools 80025 Outlet Tester Kit with GFCI Tester and Non-Contact Voltage Test Pen, 2-Piece
Used
$2111
$2699
-22% Save $588
Update: 16 hours 1 min
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Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411 by KLEIN TOOLS - used condition - $53.48
Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411
Used
$5348
$5998
-11% Save $650
Update: 16 hours 1 min
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Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip by KLEIN TOOLS - used condition - $18.08
Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip
Used
$1808
$1997
-10% Save $189
Update: 16 hours 1 min
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Klein Tools 69149P Electrical Test Kit with Digital Multimeter, Non-Contact Voltage Tester and Electrical Outlet Tester, Leads and Batteries by KLEIN TOOLS - used condition - $31.98
Klein Tools 69149P Electrical Test Kit with Digital Multimeter, Non-Contact Voltage Tester and Electrical Outlet Tester, Leads and Batteries
Used
$3198
$4498
-29% Save $1300
Update: 16 hours 1 min
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Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester by KLEIN TOOLS - used condition - $41.69
Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester
Used
$4169
$4997
-17% Save $828
Update: 16 hours 1 min
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Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles by KLEIN TOOLS - used condition - $17.41
Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles
Used
$1741
$2497
-31% Save $756
Update: 16 hours 2 mins
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Klein Tools RT310 Outlet Tester, AFCI and GFCI Receptacle Tester for North American AC Electrical Outlets by KLEIN TOOLS - used condition - $35.26
Klein Tools RT310 Outlet Tester, AFCI and GFCI Receptacle Tester for North American AC Electrical Outlets
Used
$3526
$4499
-22% Save $973
Update: Yesterday
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Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow & Black by SPERRY - used condition - $22.52
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow & Black
Used
$2252
$2699
-17% Save $447
Update: 3 days ago
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VDIAGTOOL V210 Wire Tracer Electrical Automotive Open & Short Finder Circuit Tester Circuit Breaker Finder Fault Probe Wire Tracker Electrical DC 6-42V by VDIAGTOOL - used condition - $23.17
VDIAGTOOL V210 Wire Tracer Electrical Automotive Open & Short Finder Circuit Tester Circuit Breaker Finder Fault Probe Wire Tracker Electrical DC 6-42V
Used
$2317
$2799
-18% Save $482
Update: 3 days ago
Buy at Amazon.com