Tiger-i CEM

Continuous Emissions Monitoring (CEM) for HCl, HF, NH3 and more


  • CEM Standards Preparation
  • Cement Kilns & Paper Mills
  • HF Alkylation Unit Emissions
  • Power Generation from Fossil Fuels
Model Range LDL (peak-to-peak) Sensitivity (3σ)
Tiger-i CEM NH30 – 40 ppm8 ppb6 ppb
Tiger-i CEM HCl0 – 4 ppm1.0 ppb0.75 ppb
Tiger-i CEM HF0 – 1 ppm0.2 ppb0.15 ppb
Tiger-i CEM H2S0 – 500 ppm50 ppb38 ppb
Tiger-i CEM CO0 – 2000 ppm100 ppb75 ppb
Tiger-i CEM HCN0 – 15 ppm1.5 ppb1.1 ppb
Tiger-i CEM CH40 – 20 ppm2.0 ppb1.5 ppb
Operating range See Detection Capability table
Detection limit (LDL, 24 h peak-to-peak) See Detection Capability table
Sensitivity (3σ) See Detection Capability table
Precision (1σ, greater of) ± 0.75% or 1/3 of Sensitivity
Accuracy (greater of) ± 4% or the LDL
Speed of response 2 minutes to 80% (for HCl and HF), 3 minutes to 95% (all others)
Environmental conditions 10°C to 40°C, 30% to 80% RH (non-condensing)
Storage temperature -10°C to 50°C
Gas Handling System and Conditions*
Wetted materials 316L stainless steel, 10 Ra surface finish
Gas connections 1/4" male VCR inlet & outlet (1/4" Swagelok adapters included)
Inlet pressure 0 – 10 psig (HCl and HF), 0 – 15 psig (all others)
Outlet pressure Vacuum (<10 Torr)
Flow rate ∼1 slpm
Sample gases Air, diluted stack gas
Gas temperature Up to 60°C
Dimensions, H x W x D
Standard sensor 8.73" x 8.57" x 23.6" (222 mm x 218 mm x 599 mm)
Sensor rack (fits up to two sensors) 8.73" x 19.0" x 23.6" (222 mm x 483 mm x 599 mm)
Standard sensor 33 lbs (15 kg)
Alarm indicators 2 user programmable, 1 system fault, Form C relays
Power requirements 90 – 240 VAC 50/60 Hz
Power consumption 40 Watts max.
Signal output Isolated 4–20 mA per sensor
User interfaces 5.7” LCD touchscreen, 10/100 Base-T Ethernet, RS-232
  802.11g Wireless (optional), Modbus TCP (optional)
U.S. Patent #7,277,177  
*Vacuum source with >2 slpm @ 10 Torr required  
Higher ranges are available, please contact us.  
Title / Description

Tiger-i CEM Brochure (PDF)

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HCl Continuous Emissions Monitoring

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NH3 Emissions Monitoring

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