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  • Extech Clamp-On Ground Resistance Testers

    Enables non-contact measurements of ground conductors
    Without the need for auxiliary spikes


    • Autoranging ground resistance measurements from 0.03 to 1500 with 0.02 resolution
    • True RMS AC Leakage current range of 0.2mA to 30.00A
    • Programmable datalogging with 116 data points
    • Programmable Hi/Lo alarm
    • 0.9" (23mm) Jaw size for large ground rods
    • Simplifies ground resistance measurements on multiple point ground systems
    • Auto power off
    • Verification resistors confirm accuracy of meter
    • Automatic Self Calibration when powered on
    • 9999 Count LCD display with Data Hold
    • Electrical Noise Detection feature prevents inaccurate readings
    • Data hold and Continuity beeper
    • Complete with 9V battery, Resistance check plate, and durable metal storage case

  • Voltage and Continuity Testers

    Wide Range Measurement up to 5kV
    With Insulation Resistance to 60GΩ


    • Test Voltages of 500V, 1000V, 2500V, and 5000V
    • Measure Insulation Resistance to 60GΩ
    • Large 6000 count display with bargraph and backlight
    • Polarization Index measurement (PI)
    • Dielectric Absorption Ratio measurement (DAR)
    • AC/DC Voltage measurement from 0 to 600V with Max/Min, Peak and Relative functions
    • 1 to 15 minute timer function for IR measurements
    • Resistance measurement
    • Autoranging
    • Indication of output voltage and discharge voltage
    • Auto-discharge function and voltage output warning function
    • Auto Power off and battery check
    • Complete with test leads, 8 x C batteries, AC adaptor, and heavy duty carrying case

  • Thermal Imaging Instruments

    9mm camera diameter and 3.5" Color TFT LCD Wireless Monitor with a 2GB microSD memory card (included) for capturing images (JPEG) or video (AVI) for viewing on your PC.

    • Detachable wireless color display can be viewed from a remote location up to 32ft (10m) from measurement point
    • Captured video and still images with date/time stamp can be played back on the wireless monitor or your PC
    • 9mm diameter camera head with 36" (0.9m) flexible gooseneck cable
    • Video and images can also be transferred to your PC via the microSD card or USB cable and viewed using Windows® Multimedia Player
    • Menus in 10 languages: English, Chinese, German, French, Spanish, Portuguese, Italian, Japanese, Dutch, and Russian
    • Mini water-proof (IP67) 9mm camera head for high resolution viewing
    • Four bright LED lamps with dimmer to illuminate viewed object
    • Glare-free close-up field of view
    • Optional BR200-EXT extension cable available for increasing viewing depth; 19mm diameter connector and 38" (0.96m) cable length; (maximum 2 extension cables can be connected to the borescope)

  • CO2 Monitors
  • HT30 and RH520A
  • IRT600 & IRT500
  • Extech Vibration Meters