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Total Mercury Emissions Monitor in Stack Flue Gases

SM-5 mercury CEMS

Beneficiary of over 20 years of experience in mercury measurement, the new SM-5 CEMS Hg analyzer is designed to provide extremely accurate and reliable continuous measurements of very low concentrations of Hg in flue gas emissions.

The SM-5 features short response times, dynamic ranges and stable measurement under all circumstances.

QAL1 certification range 0-5 µg/m3, the lowest on the market


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  • Certification ranges: 0-5 : 0-30; 0-45; 0-100; 0-1000 µg/m3
  • Very high accuracy: <0,1 μg/m3 over 3 months
  • Dynamic range switching for reliable measurement of mercury emission peaks
  • Photometric measurement independent of the high-temperature converter to ensure very low maintenance times and costs
  • High-temperature conversion method: requires no reagent, water refill, or cartridge replacement
  • Does not require a calibrator to operate: reliability & reduced operating costs
  • Modular mercury injection system at the probe or at the analyzer for complete AMS checks
  • Probe head port for optionally connecting a calibration system
  • No need for carrier gas, dilution, or air conditioning, and very low utility consumption (no nitrogen required)
  • Sampling box mounted on the stack: no maintenance required, no transport of reactive Hg
  • Two different power sources (protected/unprotected) in order to separate and secure the measuring system
  • Automatic backflush function
  • Low maintenance and optimized operating costs



Very low certification rangeHigh measurement accuracy
Instrument certified to operate without calibrationReliability & reduced operating costs
Simple and robust designMaximum availability, easy servicing with low maintenance costs
Converter oven without catalystRequires no consumables, minimized operating costs
Very low instrument air consumptionLower operating costs
Customizable heated sampling lineRemote installation for easy access to the analysis cabinet
Over 20 years of expertise in mercury analysisGuarantee of a high quality and high performance product

Hg CEMS monitor perfectly adapted for continuous mercury analysis in:

  • Waste Incineration plants (industrial, medical, hazardous waste, sewage sludge…)
  • Coal-fired power plants (before and after mercury absorbers)
  • Cement kilns
  • Determination of mercury at sulfur acid production plants
  • Thermal treatment of contaminated soils, hazardous waste
  • Metallurgical facilities with potential Hg emissions
Technical Specifications
QAL1 certification range0-5 µg/m3
Additional ranges: 0-30; 0-45; 0-100; 0-1000 µg/m3
Detection limit< 0.05 µg/m3 (system)
Precision (accuracy)< 0.01 µg/m3 / 3 months
Max. drift< 0.15 µg/m3 / 3 months
Operating temperature+5°C to +40°C (without air conditioning)
Sample max temperature200°C as standard (others as option)
DisplayTouch screen
Heated sampling linecustom-made: from 2 to 60 m
Communication4-20 mA, RS232, Modbus RTU/RS485, Modbus TCP/IP, TCP-IP
Power supply230 V / 50 Hz or 110 V / 60Hz
Power consumptionAnalyzer cabinet: 1850W (total)
Sampling box: 800W
Probe controller: 600W (0,6m), 800W (1m) or 1200W (1,5m)
Heated line: 120W/m
Air instrument consumption5-10 bar, max. 16 L/min (for backflush)
Mounting flangeDN65 / PN6, other on request
Dimensions (H x L x W) cmAnalyzer cabinet: 190.5x80x65
Sampling box: 26x34x34,5
Probe controller: 25x35x15 (27x38x18 incl. fixations)
WeightAnalyzer cabinet: 224 kg
Sampling box: 15.4 kg
Stinger: 9 to 12 kg, depending on length
Probe controller: 10 kg
Protection RatingAnalyzer cabinet IP55, Sampling IP54, Probe
controller IP66

Regulatory compliance:


Our mercury analyzers are manufactured according to the ISO 9001 quality regulations.

CE approved


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