Tiger-i 2000 CH4

Combat global warming at the source

The Tiger-i 2000 CH4 greenhouse gas analyzer for methane is designed for versatile use. It can measure ambient levels of CH4  with high precision over a wide range of temperatures with excellent reliability, and it can monitor emissions of greenhouse gases from various sources such as landfills, gas and oil exploration sites, refineries, and agricultural facilities. The Tiger-i 2000 helps users to easily and accurately assess their greenhouse gas emissions and implement measures to reduce global warming.

Using Tiger Optics’ Tiger-i 2000 CH4 analyzer, you can measure ambient levels of methane with parts-per-billion accuracy, drift-free stability and fast response. You’ll find our systems fast to install, exceptionally easy to use, extremely reliable, and effortless to maintain due to their built-in calibration verification. The robust design—free of moving parts—results in an analyzer that has a high mean time between failure (MTBF) and a very low cost of ownership (CoO).

A compact and user-friendly solution for monitoring ambient levels and emissions of methane, the Tiger-i 2000 CH4 offers:

  • Accuracy traceable to the world’s major national reference labs
  • Specificity—no moisture or other interference
  • High precision at ambient or even higher levels
  • Freedom from the need for span calibrations
  • No periodic sensor replacement/maintenance
  • Wide dynamic range and no drift
  • Compact and rugged design


  • Air Quality
  • Greenhouse Gas Monitoring
  • Research & Development

Download Specifications


Laboratory & Scientific

Stack, Process & CEMS

Detection Capability

Detection and Matrix Range LDL Sensitivity
CH4 in Clean Dry Air (CDA) (low range) 0 – 20 ppm 2.0 ppb 1.5 ppb
CH4 in Clean Dry Air (CDA) (high range) 0 – 100 ppm 10 ppb 7.5 ppb
CH4 in N2 (low range) 0 – 20 ppm 2.0 ppb 1.5 ppb
CH4 in N2 (high range) 0 – 100 ppm 10 ppb 7.5 ppb
CH4 in Ambient Air (low range) 0 – 25 ppm See Resources Brochure See Resources Brochure
CH4 in Ambient Air (high range) 0 – 100 ppm See Resources Brochure See Resources Brochure
Upper range as high as 1000 ppm available on request


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
(equivalent to 15 ppb over 24 h at typical ambient CH4 levels)
Accuracy (greater of) ± 4% or the LDL
(equivalent to 80 ppb over 24 h at typical ambient CH4 levels)
Speed of response 3 minutes to 95%
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
Leak tested to 1 x 10-9 mbar l / sec
Inlet pressure 0 – 15 psig (1 – 2 bara)
Outlet pressure Vacuum (<10 Torr)
Flow rate ∼1 slpm
Sample gases Ambient air, clean dry air (CDA) and N2
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 relay
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

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