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Extech MG302 Multimeter & Insulation Tester

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Combined TRMS multimeter and insulation tester with onboard datalogging and wireless transfer of results to a PC. Insulation test voltages of 125V, 250V, 500V and 1000 volt.

rrp £312.46

now £199.00 (Ex. VAT) £238.80 (Inc. VAT)

rrp £312.46

This product has now been discontinued. Please see the Extech MG320 Insulation Multimeter for a suitable replacement.

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"CAT IV Insulation Tester & Multimeter with Wireless Interface"

  • Description

    Extech MG302 Digital Multimeter & Insulation Tester

    This product has now been discontinued. Please see the Extech MG320 Insulation Multimeter for a suitable replacement.

    The Extech MG302 is a combined digital multimeter and insulation tester that measures insulation resistance from 0.001MΩ to 4000MΩ at four different test voltages.

    This fully featured TRMS multimeter has a rugged housing that is waterproof to IP67, displays results on a large backlit LCD and also offers a Lock Power On function that enables hands-free operation.

    In addition, the Extech MG302 multimeter has a built-in datalogging function that allows readings to be stored and then wirelessly transferred to a PC or laptop for further analysis. The MG302 is the perfect digital multimeter & insulation tester for electrical contractors as well as HVAC engineers and plant/facility PDM managers.

    Extech MG302 Key Features

    • 125V, 250V, 500V, and 1000V test voltages
    • Insulation Resistance from 0.001MΩ to 4000MΩ
    • Wireless USB interface transmits measurement data to a PC
    • Large backlit triple display
    • Auto discharge of capacitive voltage
    • Lock Power On Function for hands-free operation
    • Data Hold and Auto Power Off
    • Min/Max and Relative mode
    • Waterproof (IP67) rugged double-moulded design
  • Specification

    Insulation Tester Range Resolution Accuracy
    Insulation Resistance 4MΩ, 40MΩ, 400MΩ, 4000MΩ 0.001MΩ ±3%
    Insulation Test Voltages 125V, 250V, 500V, 1000V


    AC Voltage 1000V 0.1mV ±1%
    DC Voltage 1000V 0.01mV ±0.06%
    AC Current 10A 0.1µA ±1.5%
    DC Current 10A 0.01µA ±1%
    Resistance 40MΩ 0.1Ω ±0.3%
    Capacitance 40mF 0.001nF ±3.5%
    Frequency 100MHz 0.01Hz ±0.1%
    Duty Cycle 0.1 to 99.9% 0.01 ±1.2%
    Temperature -50 to 1200°C 0.1°C ±1% +2.5°C
    4 - 20mA% -25 to 125% 0.01%
    Continuity/Diode Yes

    • Power Source: 6 x AA Batteries
    • Dimensions: 200 x 92 x 50mm
    • Weight: 582g
  • Supplied Accessories

    • Remote Receiver with USB Cable
    • Windows Compatible Software
    • Heavy Duty Test Leads
    • Crocodile Clip Test Lead
    • Type K Bead Wire Temperature Probe with Adaptor
    • 6 x AA Batteries
    • Carry Case
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