Thermo-electra manufactures hazardous area approved,  ATEX and IECEx temperature-sensors, Dekra certified, Single and Multipoint versions for Gas, zone 0, 1, en 2: Ex ia/ib, Ex eb, Ex db Ex nA, and Dust for zone 20, 21 and 22: Ex ta/tb and can be fitted with integral head mount temperature transmitter / display module, with 4-20mA, Hart or Profibus communication.