Servomex 2500 Series

The SERVOTOUGH SpectraExact series of photometric process analysers offer single or dual component gas analysis to suit virtually any process, combustion or emissions gas analysis application. They are designed for industrial environments with the emphasis on rugged construction, high performance and simple operation. The SERVOTOUGH SpectraExact series of analysers are highly flexible and can be configured to suit virtually any process environment.

Servomex 2500 Series


  • On-line, real time process analysis
  • High reliability, accuracy and stability
  • Low cost of ownership and long maintenance intervals
  • Single & multi-component analysis capability
  • Easy integration with DCS and other control systems
  • Suitable for field mounting in hazardous area locations
  • Hazardous area certification (CENELEC Zone 1 and 2, FM Class 1 Division 2)
  • Measures corrosive, toxic and flammable sample streams
  • Simple operation, easy maintenance, comprehensive diagnostics
  • Full user facilities including password protection and real-time clock, with historical data logs
  • Two mA outputs, 3 relay outputs, all user assignable
  • Optional additional mA and relay outputs available
  • IP65 ingress protection

Technology Used

  • Single beam, dual wavelength and gas filter correlation photometric technology, giving a highly stable, selective measurement.

Typical Applications

  • Water in EDC
  • Carbon dioxide
  • Ethylene
  • Acetylene
  • Sulphur dioxide
  • Chlorine
  • Phosgene
  • etc