Hazardous Area Sensors

Electrical equipment including temperature sensors for use in Hazardous Areas needs to be designed and constructed in such a way that will not provide a source of ignition. This equipment should be fully tested and certified with a certificate of compliance issued by an Independent Authority. Servotech Instrumentation Ltd supply a range of temperature sensors with internationally recognized IECEx certification of Ex d Flameproof, Ex e Increased Safety and Ex td Dust Ignition Proof. This approval covers the terminal head and the thermocouple or RTD sensor allowing Servotech to supply a complete assembly with IECEx approval transmitter Housing or Enclosure to the IECEx approved temperature element.

Servotech can supply hazardous area probes to different specifications. All probes come with full IECEx certification. If you have any queries about hazardous area probes, please feel free to contact us.


  • Intrinsically Safe Applications.
  • Exe “Increased Safety “Protection is suitable for use in Zone 1 & 2.
  • Exd “Flameproof Enclosure “Protection is suitable for use in Zone 1 & 2.
  • ExtD “Protection by Enclosures in Dust”.
  • SS Heads also available.