Extech Megohmmeters & Insulation Testers

If you’re an electrician, technician or safety professional, Extech has a tester for your requirements. To measure the electrical resistance of insulators, an auto-ranging Digital Megohmmeter will move easily between your applications. The battery-powered electrical testers travel in the hand or case, delivering accurate readings. Data is easily seen on a large backlit display and functionality includes 250, 500, and 1000V test voltages. It offers:

  • Insulation Resistance to 2000MOhm
  • Lo Ohm functionality for connections tests
  • Hands-free operation

In terms of electrical testing, Extech specializes in functionality that enhances operator capabilities. With the MG300, a 1000V Insulation Tester is combined with a true RMS multimeter in one handheld device. A wireless USB interface allows for data transmissions to PCs. The MG300 provides:

  • Large, backlit display
  • 125V, 250V, 500V, and 1000V test voltages
  • Insulation resistance from 0.001MΩ to 4000MΩ
  • Hands-free, data hold, and automatic shutoff features
  • Durable IP67 design
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  1. Extech MG325 CAT IV Insulation Tester/TRMS Multimeter with Remote Test Probe
    Extech MG325 CAT IV Insulation Tester/TRMS Multimeter w/Remote Test Probe
    Order #: MG325
    Mfg #: MG325
    Availability: Ships in 2-3 weeks
    $669.99
    CAT IV Insulation Tester/TRMS Multimeter w/Remote Test Probe Learn More
  2. Extech MG310
    Extech MG310 Compact Insulation Resistance Tester w/Snap-On Cover
    Order #: MG310
    Mfg #: MG310
    Availability: Ships in 2-3 weeks
    Special Price $249.98 Regular Price $267.99
    Compact Insulation Resistance Tester w/Snap-On Cover Learn More
  3. Extech 380395
    Extech 380395 High Voltage Insulation Tester 120V
    Order #: 380395
    Mfg #: 380395
    Availability: Ships in 2-3 weeks
    Special Price $998.75 Regular Price $1,070.66
    High Voltage Insulation Tester 120V Learn More
  4. Extech 380363
    Extech 380363 Digital High Voltage Insulation Tester(1000V,500V,250V)
    Order #: 380363
    Mfg #: 380363
    Availability: Ships in 2-3 weeks
    Special Price $374.98 Regular Price $401.99
    Digital High Voltage Insulation Tester(1000V,500V,250V) Learn More
  5. Extech 380320
    Extech 380320 Analog Insulation Tester
    Order #: 380320
    Mfg #: 380320
    Availability: Ships in 2-3 weeks
    Special Price $274.98 Regular Price $294.79
    Analog Insulation Tester Learn More
  6. Extech 380260
    Extech 380260 Megohmmeter, Autoranging Digital with NIST
    Order #: 380260-NIST
    Mfg #: 380260-NIST
    Availability: Ships in 2-3 weeks
    Special Price $456.23 Regular Price $489.09
    Megohmmeter, Autoranging Digital with NIST Learn More
  7. Extech 380260
    Extech 380260 Autoranging Digital Megohmmeter 1000V w/Dual Backlit Display
    Order #: 380260
    Mfg #: 380260
    Availability: In stock
    Special Price $324.98 Regular Price $348.39
    Autoranging Digital Megohmmeter 1000V w/Dual Backlit Display Learn More
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