Thermox CEM/02 oxygen analyser
November 2014
Analytical Instrumentation & Environmental Monitoring
Continuous emissions monitoring (CEM) systems using hot-wet extractive methods take the flue gas sample from the exit of wet-scrubbers. A hot-wet oxygen measurement is taken from the incoming feed line to the CEM system analysis cabinet. The oxygen analyser used for this measurement must be equipped to keep the sample gas above the dew point and compact it to fit within the restricted space of the analysis cabinet.
The CEM/O2 analyser from Thermox was designed to meet the replacement and integration needs of hot-wet extractive CEM systems integrators. The sample inlet feeds a straight-run sample line with a centre mounted chimney-effect convection stack for continuous sampling. The compact sensor housing fits easily into the CEM cabinet.
The IQ Series transmitter provides sensor head mounted full function electronics with analogue outputs, alarms, expanded system diagnostics, auto calibration feature, RS-485 and optional Hart communication.
Ametek’s 2000 Series microprocessor control unit provides a four line local display, analogue outputs, alarms, expanded system diagnostics, auto calibration option and RS-485 communication. The optional Humox wet/dry calculation software is available for correlated flue gas moisture measurement.
The Thermox oxygen analyser is ideal for emissions and compliance, extractive sampling systems and can be used in a wet or dry gas CEM system or instrument cabinet.
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