Draeger Polytron Ex gas detector for the continuous monitoring of flammable gases and vapours

Draeger Polytron Ex Detector
Model Code Polytron Ex
Model Info


  • Remote version available: Available as a remote version for difficult to access locations. The remote Dräger Ex-Sensor is connected via shielded cable. Suitable for Dräger sensing heads SE Ex PR M, SE Ex HT M and SE Ex LC M
  • Comprehensive explosion protection: The Polytron Ex and Ex-R are labelled II 2 G according to the directive 94/9/EG (ATEX 95) and, suitable for use in zones 1 and 2.
  • Intrinsically safe design: Drager intentionally avoided designing a heavy flameproof encapsulated housing. This has resulted in a light design with simple maintenance and installation. Components such as the sensor and LC display are designed to be intrinsically safe; with the use of integral internal barriers, no additional safety barriers are necessary.
  • Performance approved and two measuring ranges: Offers two measuring ranges: 0 up to 10 % LEL for early warning signals and 0 up to 100 % LEL for the standard measuring range.
  • Optimal system solution: The impact-resistant transmitter housing is made of electrically conductive fibre-glass reinforced polyester. Combined with a suitable 4 to 20 mA central controller, the transmitter Polytron Ex offers optimal safety and system availability. 
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