• Store Locator
  • Schedule a
  • Add products to your Toolbox to save it for requesting a quote while you keep browsing for other products to complete your list.

  • Create a Requisition

    EXTECH MG320 True RMS Multimeter / Insulation Tester

    # MG320

    • Combines a portable 20GΩ/1000V Insulation Tester with a True RMS Multi-meter.
    • Insulation tester includes PI/DAR modes, programmable timer, and a comparator for custom test configurations and quick results.
    • Multi-meter functions include AC/DC Voltage, Resistance, and Continuity Test.
    • Manually store/recall up to 99 readings.
    • Designed with rugged housing and large back-lit 6,000 count LCD display with analog bar graph. 
    • Measure Insulation Resistance to 20GΩ
    • 5 Test Voltage ranges
    • Polarization Index (PI) and Dielectric Absorption Ratio measurements (DAR)
    • Low Resistance measurement with Zero function
    • Programmable Timer feature sets the duration of test
    • Comparison Mode allows user to set the Pass/Fail values for insulation measurements
    • Step Voltage (10% steps at 50% to 120% of range)
    • Auto-discharge of voltage test signal
    • Lock Power On Function for hands-free operation
    • Manually store/recall up to 99 readings
    • Backlit 6,000 count display with analog bargraph
    • High voltage and overload indication
    • Data Hold to freeze displayed reading
    • Auto Power Off and Low battery indication
    • Complete with test leads, alligator clip, 6 x AA batteries, and soft case
    SpecificationsRangeResolutionBasic Accuracy
    Insulation Resistance50MΩ, 100MΩ, 200MΩ,500MΩ, 2000MΩ, 1GΩ, 10GΩ, 20GΩ0.01MΩ±3%
    Insulation Test Voltages50V, 100V, 250V, 500V, 1000V0 to 10%
    AC/DC Voltage600V0.1V±2%
    Dimensions/ Weight8.9 x 4.1 x 2.3″ (225 x 103 x 59mm)/ 1.5lbs (0.7kg)
    • 1 x Test leads
    • 1 x Alligator clip
    • 6 x AA batteries
    • 1 x Soft case

    Provide us your contact detailsone of our product experts will contact you to discuss your needs or schedule a demonstration at a time that suits

    Product selected: Model #

      *Demonstrations can only be scheduled within the UAE

      Sign up to stay in the know-how of our latest products, updates, special offers, and more.

      • Subscription Form