Draeger Polytron SE Ex gas detectors that allow for the continuous monitoring of combustible gases and vapours in the ambient air

Draeger Polytron SE Ex Detector
Model Code Polytron SE Ex
Model Info


  • Large temperature range: Sensing head can be used at ambient temperatures of -50 °C to +85 °C, the special HT version even up to +150 °C.
  • Two variants: Available in two versions that differ in the connection housing.
  • Comprehensive explosion protection: Sensing heads are marked II 2 GD according to the guideline 94/9/EC (ATEX 95).
  • Measuring signal: A mV measuring signal, which is proportional to the gas concentration, is generated by the flameproof encapsulated gas sensor and evaluated in the control unit.
  • Environmental conditions: The temperature rise, which is dependent on the gas concentration, can only be used as measurement signal.
  • Poison detection reliability: Manufactured in-house, are type PR, i.e. poison resistant.
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