Megasafe ISO 1EX

Compact, intrinsically safe high-ohm-meter for insulation resistance and leakage resistance test from 1 kΩ up to 2 TΩ with test voltage of 32, 100 or 500 V. Approved to ATEX for Ex I and Ex II ranges. The ISO 1Ex saves time, with it anti-static floors and surfaces can be tested directly in ex-zones.


Part number: Megasafe ISO 1EX

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Resistance measuring:

  • Precise indication of resistance between 1 kΩ and 2 TΩ
  • 32, 100, 500 V test voltage
  • Universally applicable due to large measuring range and automatic range selection
  • Large display with back light


  • Indication of external voltage and integrated voltage of capacitances
  • Clear LED indicator for dangerous voltage
  • Voltage value on the LCD and warning acoustic signal
  • Protection circuit against external voltages up to 500 V

More functions:

  • Ex-proof version, for direct testing in Ex-zones with up to 500 V
  • Varied accessories
  • Easy handling and compact design
  • Robust casing
  • IP 65 – waterproof
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