• Gossen Metrawatt


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Item number: M507C

Insulation measuring instrument

The test instrument permits the measurement of insulation resistance with test voltages between 50 and 1000 V in accordance with VDE 0413-1,-2 (EN 61557-1, 2). The measuring range runs from 100 kΩ to 10 GΩ.

  • Insulation measuring instrument

Product Highlights

  • Insulation resistance measurement with test voltage from 50 to 1000 V
  • Voltage measurement to 600 V
  • Measurement of surge protection devices with test voltage from 50 to 1000 V
  • Table of common varistors can be displayed
  • Digital display, backlit color OLED display
  • Indication of dangerous touch voltage
  • LED for measurement point illumination
  • Patented test probe retainer
  • Compact and rugged – for service calls under harsh conditions and laboratory use
  • Technical characteristics


    • Measurement of insulation resistance at voltage-free devices and equipment, up to 1000 V depending on variant
    • Measurement of surge protection devices, up to 1000 V depending on variant
    • Checking of test objects for absence of voltage


Do you have any questions on the product or do you need technical information or details on the current delivery period? Our sales backoffice will be pleased to assist you.

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Telephone: +49 911 8602-0
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