4-20mA exproof detector for toxic gases using electrochemical technology

69_fichaThe new DURTOX-X are 4-20mA exproof detectors using electrochemical technology for detection of toxic gases.

3 wire connection with any system provided with 4-20mA standard output. Also available in addressable RS485C format with 4 wire connection, compatible with EUROSONDELCO & SIEMENS CC62P.

It is certified meeting the European Standard ATEX LOM10ATEX2076

Available gases: Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Sulphidric Acid (H2S), Ammonia (NH3) & Oxygen (O2). For information about ranges, please, consult.


• Total control over the sensor state
• Automatic thermal compensation
• HardwareTest
• Digital filter based on changeable average of sensor values sampling.
• Automatic zero adjust
• Optical indications (LED) for status, malfunctions and overflows


- Power: from 10 to 30V DC
- Max. consumption: 43mA to 12V DC
- 100% linear (full range)
- Life expectancy: 2 years in pure air
- Precision:+/- 5% bottom of scale
- Code of explosive atmosphere: II 2G Ex d IIC T6 Gb
- Dimensions (mm): 162 x 150 x 90
- Weight (gr): 1.392 (aprox)

TEST: Carry out a check-up test periodically –at least once a year- For this purpose, use gas tester bottles with the right composition in any case.

All detectors manufactured by DURAN ELECTRONICA have been factory calibrated with for the target gas. Therefore, recalibration it is neither required, nor advisable once installed.

Product datasheet     User manual