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Test Instruments and Equipment

Shop test instruments and equipment from Klein Tools, Fieldpiece, Supco, and UEI for appliance troubleshooting, HVAC service, electrical testing, and home maintenance. Find digital clamp meters, voltage detectors, outlet testers, thermometers, moisture meters, capacitor testers, and combustible gas leak detectors, plus test leads and protective meter cases.

How to choose the right test instrument
Choose by the measurement or task: electrical readings, temperature checks, moisture detection, capacitor testing, or gas leak detection. Compare each tool’s functions, measurement range, accuracy, and applicable safety ratings. For replacement test leads and cases, check compatibility with your meter.

Filters

  • Sold out
    $70.78 - $70.78
    $70.78
    $70.78 - $70.78
    $70.78

    Klein Tools Pinless Moisture Meter - ET140

    KLEIN TOOLS

    Klein Tools Pinless Moisture Meter - ET140Verify conditions and electrical readings with more confidence with Klein Tools Pinless Moisture Meter - ...

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    $70.78 - $70.78
    $70.78
    $70.78 - $70.78
    $70.78
    Sold out
  • $137.38 - $137.38
    $137.38
    $137.38 - $137.38
    $137.38

    Klein Tools HVAC Digital Clamp Meter - CL320

    KLEIN TOOLS

    Klein Tools HVAC Digital Clamp Meter - CL320Verify conditions and electrical readings with more confidence with Klein Tools HVAC Digital Clamp Mete...

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    $137.38 - $137.38
    $137.38
    $137.38 - $137.38
    $137.38
  • $17.85 - $17.85
    $17.85
    $17.85 - $17.85
    $17.85

    Fieldpiece Non-Contact Voltage Detector - SNCV1

    FIELD PIECE

    Fieldpiece Non-Contact Voltage Detector - SNCV1Verify conditions and electrical readings with more confidence with Fieldpiece Non-Contact Voltage D...

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    $17.85 - $17.85
    $17.85
    $17.85 - $17.85
    $17.85
  • $34.81 - $34.81
    $34.81
    $34.81 - $34.81
    $34.81

    Fieldpiece Deluxe Silicone Test Leads - ADLS2

    FIELD PIECE

    Fieldpiece Deluxe Silicone Test Leads - ADLS2Verify conditions and electrical readings with more confidence with Fieldpiece Deluxe Silicone Test Le...

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    $34.81 - $34.81
    $34.81
    $34.81 - $34.81
    $34.81
  • $47.78 - $47.78
    $47.78
    $47.78 - $47.78
    $47.78

    Fieldpiece Deluxe Silicone Test Lead Kit - ADK7

    FIELD PIECE

    Fieldpiece Deluxe Silicone Test Lead Kit - ADK7Verify conditions and electrical readings with more confidence with Fieldpiece Deluxe Silicone Test ...

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    $47.78 - $47.78
    $47.78
    $47.78 - $47.78
    $47.78
  • $264.48 - $264.48
    $264.48
    $264.48 - $264.48
    $264.48

    Fieldpiece 400A Compact Clamp Meter, True RMS - SC260

    FIELD PIECE

    Fieldpiece 400A Compact Clamp Meter, True RMS - SC260Verify conditions and electrical readings with more confidence with Fieldpiece 400A Compact Cl...

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    $264.48 - $264.48
    $264.48
    $264.48 - $264.48
    $264.48
  • $57.86 - $57.86
    $57.86
    $57.86 - $57.86
    $57.86

    UEI Instruments Clamp Meter - UTL261

    UEI INSTRUMENTS

    UEI Instruments Clamp Meter - UTL261Verify conditions and electrical readings with more confidence with UEI Instruments Clamp Meter - UTL261. This ...

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    $57.86 - $57.86
    $57.86
    $57.86 - $57.86
    $57.86
  • $118.70 - $118.70
    $118.70
    $118.70 - $118.70
    $118.70

    Fieldpiece Dual Temperature Meter, Type K - ST4

    FIELD PIECE

    Fieldpiece Dual Temperature Meter, Type K - ST4Verify conditions and electrical readings with more confidence with Fieldpiece Dual Temperature Mete...

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    $118.70 - $118.70
    $118.70
    $118.70 - $118.70
    $118.70
  • $8.38 - $8.38
    $8.38
    $8.38 - $8.38
    $8.38

    Supco Refrigerator Thermometer - ST03

    EXACT REPLACEMENTS PART

    Supco Refrigerator Thermometer - ST03 Check the temperature inside your refrigerator with the Supco ST03 refrigerator thermometer. Its round dial ...

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    $8.38 - $8.38
    $8.38
    $8.38 - $8.38
    $8.38
  • $118.70 - $118.70
    $118.70
    $118.70 - $118.70
    $118.70

    Fieldpiece Type K and Infrared Thermometer - SPK3

    FIELD PIECE

    Fieldpiece Type K and Infrared Thermometer - SPK3Verify conditions and electrical readings with more confidence with Fieldpiece Type K and Infrared...

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    $118.70 - $118.70
    $118.70
    $118.70 - $118.70
    $118.70
  • $18.46 - $18.46
    $18.46
    $18.46 - $18.46
    $18.46

    Klein Tools GFCI Outlet Tester - RT210

    KLEIN TOOLS

    Klein Tools GFCI Outlet Tester - RT210Verify conditions and electrical readings with more confidence with Klein Tools GFCI Outlet Tester - RT210. T...

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    $18.46 - $18.46
    $18.46
    $18.46 - $18.46
    $18.46
  • $137.39 - $137.39
    $137.39
    $137.39 - $137.39
    $137.39

    Supco Capacitor Tester - MFD10

    SUPCO

    Supco Capacitor Tester - MFD10Verify conditions and electrical readings with more confidence with Supco Capacitor Tester - MFD10. This tester measu...

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    $137.39 - $137.39
    $137.39
    $137.39 - $137.39
    $137.39
  • $37.04 - $37.04
    $37.04
    $37.04 - $37.04
    $37.04

    Klein Tools Magnetic Digital Pocket Thermometer - ET10

    KLEIN TOOLS

    Klein Tools Magnetic Digital Pocket Thermometer - ET10Verify conditions and electrical readings with more confidence with Klein Tools Magnetic Digi...

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    $37.04 - $37.04
    $37.04
    $37.04 - $37.04
    $37.04
  • $239.03 - $239.03
    $239.03
    $239.03 - $239.03
    $239.03

    UEI Instruments Combustible Gas Leak Detector - CD100A

    UEI INSTRUMENTS

    UEI Instruments Combustible Gas Leak Detector - CD100AVerify conditions and electrical readings with more confidence with UEI Instruments Combustib...

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    $239.03 - $239.03
    $239.03
    $239.03 - $239.03
    $239.03
  • $16.01 - $16.01
    $16.01
    $16.01 - $16.01
    $16.01

    Fieldpiece Large Meter Case - ANC7

    FIELD PIECE

    Fieldpiece Large Meter Case - ANC7Verify conditions and electrical readings with more confidence with Fieldpiece Large Meter Case - ANC7. This prot...

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    $16.01 - $16.01
    $16.01
    $16.01 - $16.01
    $16.01