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Testers & Indicators

  • Original price $211.40 - Original price $211.40
    Original price
    $211.40
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    Current price $211.40

    Sperry Instruments Phase Sequence & Open Phase Indicators, 600 VAC

    Sperry Instruments
    Only 2 left!

    Color coded insulators over alligator clips. Shock resistant plastic housing. No exposed metal parts. LED indication. Visual rotationAttributes...

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    Original price $211.40 - Original price $211.40
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    $211.40
    $211.40 - $211.40
    Current price $211.40
  • Original price $4,340.28 - Original price $4,340.28
    Original price
    $4,340.28
    $4,340.28 - $4,340.28
    Current price $4,340.28

    L.S. Starrett SR160 Surface Roughness Tester, Li-Poly Battery

    L.S. Starrett
    Out of stock

    Features diamond stylus and piezoelectric pickup. Performs a wide variety of parameters, from common Ra to more complex Rz1Max and Rsk parameters....

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    Original price $4,340.28 - Original price $4,340.28
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  • Original price $66.09 - Original price $66.09
    Original price
    $66.09
    $66.09 - $66.09
    Current price $66.09

    Klein Tools USB Digital Meter and Tester, USB-A (Type A)

    Klein Tools
    Out of stock

    The ET910 is a USB digital meter and tester combination for most common USB-A ports, including Qualcomm Quick Charge ports. It accurately and rel...

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    Original price $66.09 - Original price $66.09
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    $66.09
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  • Original price $59.79 - Original price $59.79
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    $59.79
    $59.79 - $59.79
    Current price $59.79

    Klein Tools Pinless Moisture Meter

    Klein Tools
    Out of stock

    ET140 is designed to non-invasively detect hidden moisture content up to 3/4-Inch (19 mm) depth. Easily select between materials with mode button ...

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    Original price $59.79 - Original price $59.79
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  • Original price $25.95 - Original price $25.95
    Original price
    $25.95
    $25.95 - $25.95
    Current price $25.95

    Klein Tools Non-Contact Voltage Testers, 2-AAA Batteries, 50 VAC to 1,000 VAC

    Klein Tools
    51 in stock

    Non-contact detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets, and wires. High intensity, bright green...

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    Original price $25.95 - Original price $25.95
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    $25.95
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    Current price $25.95
  • Original price $71.21 - Original price $71.21
    Original price
    $71.21
    $71.21 - $71.21
    Current price $71.21

    Klein Tools Non-Contact Voltage Tester with Laser Distance Meter

    Klein Tools
    Only 2 left!

    The NCVT-6 is a non-contact voltage tester (NCVT) with an integrated laser distance meter. It can detect voltage over the full-range from 12 to 10...

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    Original price $71.21 - Original price $71.21
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    $71.21
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    Current price $71.21
  • Original price $58.67 - Original price $58.67
    Original price
    $58.67
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    Current price $58.67

    Klein Tools Non-Contact Voltage Tester w/Infrared Thermometer

    Klein Tools
    Out of stock

    The NCVT-4IR provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires; as well as infrared...

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    Original price $58.67 - Original price $58.67
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  • Original price $26.76 - Original price $26.76
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    $26.76
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    Current price $26.76

    Klein Tools Low-Voltage Testers, 24 VAC/VDC

    Klein Tools
    6 in stock

    Tests for shorts. Bulb in handle glows when circuit is complete. 3-3/4" pointed probe. 4" long handle, 36" test lead with full-insulated alligat...

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    Original price $26.76 - Original price $26.76
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    Current price $26.76
  • Original price $37.29 - Original price $37.29
    Original price
    $37.29
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    Current price $37.29

    Klein Tools Dual Range Non-Contact Voltage Tester, 2-AAA Batteries, 1,000 V AC

    Klein Tools
    Out of stock

    Automatically detects and indicates low voltage (12-48V AC) and standard voltage (48-1000V AC) allowing broad application. High intensity, bright ...

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    Original price $37.29 - Original price $37.29
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    Current price $37.29
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  • Original price $75.23 - Original price $75.23
    Original price
    $75.23
    $75.23 - $75.23
    Current price $75.23

    Klein Tools Digital Circuit Breaker Finder with GFCI Outlet Tester

    Klein Tools
    Only 3 left!

    The ET310 is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is con...

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    Original price $75.23 - Original price $75.23
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    $75.23
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    Current price $75.23
  • Original price $27.43 - Original price $27.43
    Original price
    $27.43
    $27.43 - $27.43
    Current price $27.43

    Klein Tools Continuity Testers, Battery

    Klein Tools
    15 in stock

    DO NOT USE ON LIVE ELECTRICAL CIRCUITS. Attributes:Display Type = Lamp-Glow, Function = Continuity, Height [Nom] = 1 in, Length [Nom] = 12 in, Pow...

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    Original price $27.43 - Original price $27.43
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    $27.43
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    Current price $27.43
  • Original price $56.41 - Original price $56.41
    Original price
    $56.41
    $56.41 - $56.41
    Current price $56.41

    Klein Tools AFCI/GFCI Outlet Tester

    Klein Tools
    Out of stock

    RT310 is an electrical tester that tests the wiring condition at an electrical outlet, and inspects and checks AFCI and GFCI devices. It is design...

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    Original price $56.41 - Original price $56.41
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  • Original price $16.75 - Original price $16.75
    Original price
    $16.75
    $16.75 - $16.75
    Current price $16.75

    Klein Tools AC/DC Voltage Tester

    Klein Tools
    Only 1 left!

    ET45 is an Electronic Voltage Tester. Designed as a simple, easy to use tester to check, verify or troubleshoot common residential electrical wiri...

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    Original price $16.75 - Original price $16.75
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    $16.75
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    Current price $16.75
  • Original price $709.69 - Original price $709.69
    Original price
    $709.69
    $709.69 - $709.69
    Current price $709.69

    Greenlee V-Watch Voltage Detector, (3) AAA Batteries, 120 V AC

    Greenlee
    Out of stock

    Rugged design protects against environmental extremes. Automatic self test when the unit is activated for detection of voltage. 2400 Vac and abov...

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    Original price $709.69 - Original price $709.69
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    Current price $709.69
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  • Original price $244.46 - Original price $244.46
    Original price
    $244.46
    $244.46 - $244.46
    Current price $244.46

    Greenlee Phase Sequence and Motor Rotation Meter, 9V Battery,600 V AC

    Greenlee
    Out of stock

    Detects live phase and sequence orientation of three phase power sources and industrial equipment conductors to ensure proper installation. Motor ...

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    Original price $244.46 - Original price $244.46
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    $244.46
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    Current price $244.46
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  • Original price $32.13 - Original price $32.13
    Original price
    $32.13
    $32.13 - $32.13
    Current price $32.13

    Greenlee Non-Contact Voltage Detectors, (2) AAA Battery, 50-1000 V

    Greenlee
    9 in stock

    Use to detect voltage in outlets, lighting fixtures, circuit breakers, wires, and cables or to find a break in a wire. Patented automatic self-tes...

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    Original price $32.13 - Original price $32.13
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    $32.13
    $32.13 - $32.13
    Current price $32.13
  • Original price $45.68 - Original price $45.68
    Original price
    $45.68
    $45.68 - $45.68
    Current price $45.68

    Greenlee Non-Contact Voltage Detectors, Battery,1000 V

    Greenlee
    6 in stock

    Use to detect voltage in outlets, lighting fixtures, circuit breakers, wires, and cables or to find a break in a wire. Patented automatic self-tes...

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    Original price $45.68 - Original price $45.68
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    $45.68
    $45.68 - $45.68
    Current price $45.68
  • Original price $1,754.42 - Original price $1,754.42
    Original price
    $1,754.42
    $1,754.42 - $1,754.42
    Current price $1,754.42

    Greenlee Circuit Seeker, 750 V, (2) AA Batteries

    Greenlee
    Only 2 left!

    Able to trace concealed wires (behind walls, in floors, in non-metallic conduit) without power interruption on circuits. Locate breakers for any c...

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    Original price $1,754.42 - Original price $1,754.42
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    $1,754.42
    $1,754.42 - $1,754.42
    Current price $1,754.42
  • Original price $63.23 - Original price $63.23
    Original price
    $63.23
    $63.23 - $63.23
    Current price $63.23

    Gardner Bender 2-in-1 Tester, Non-Contact Voltage Detection and Circuit Tester, Battery, 120 V

    Gardner Bender
    Out of stock

    Two-in-one tool: Non-Contact Voltage Detector and GFCI Outlet Tester. Features a clear and easy-to-understand single LED readout indicating correc...

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    Original price $63.23 - Original price $63.23
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    $63.23
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    Current price $63.23
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  • Original price $19.14 - Original price $19.14
    Original price
    $19.14
    $19.14 - $19.14
    Current price $19.14

    Gardner Bender Ground Fault Receptacle Tester and Circuit Analyzer, 120 VAC

    Gardner Bender
    25 in stock

    Tests for seven conditions: ground fault interruption, open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse, and correct wi...

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    Original price $19.14 - Original price $19.14
    Original price
    $19.14
    $19.14 - $19.14
    Current price $19.14
  • Original price $22.95 - Original price $22.95
    Original price
    $22.95
    $22.95 - $22.95
    Current price $22.95

    Gardner Bender Circuit Alert Non-Contact Voltage Detector,600 VAC, (1) AAA Battery

    Gardner Bender
    6 in stock

    Visual (flashing) and audible (beeping) indicators signal presence of voltage. Built-in “safe test” feature assures batteries are operating proper...

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    Original price $22.95 - Original price $22.95
    Original price
    $22.95
    $22.95 - $22.95
    Current price $22.95

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