Tietzsch ISO1 Ex ΩMegasafe ATEX Insulation Tester



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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 use in potentially explosive atmospheres Ex I (mining) and Ex II (chemical industrie).




Insulation tester / High-impedance tester in accordance with EN 61557-2 measuring range 1 kΩ … 2 TΩ including two test lines and two crocodile clips Ex-proofed typed 300 x 100 x 50 mm; 0,450 kg

  • safe and universal between 1 k Ω and 2 TΩ
  • test voltage 32, 100, 500 V
  • indication of external voltage by integrated voltage indication up to 500 V
  • push-button for rapid discharge of capacitances


Please contact office for details on accessories.


Tietzsch ISO 1Ex Isolation Tester / High Ohm Tester – Datasheets

Measuring range:1 k – 1999 GΩ
Test voltage:32, 100, 500 V
Power supply:9V – 6LR61 / 6LF22
Acustic signal:Yes
Protection category:IP 65