IMR Environmental Equipment, Inc.

- Model 8000 - Open Path Infrared Gas Detector

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Measures: Methane (CH4). High accuracy, sensitivity, and selectivity of Methane. With out interference by other gases. Resistant to the sun, water, sand, wind and shock. Long life span and low maintenance cost.

Principle and Technology of the IMR800

  • Technology---TDLAS Technology (Tunable semiconductor laser absorption spectrum technology).
  • Principle---Bill Lambert (Beer-Lambert) law: 𝑰(𝒕)=𝑰𝟎(𝒕)𝒆𝒙𝒑[−𝜶(𝒗)𝑪𝑳]
  • Advantage---It’s good to solve the problems of interference by background gases, dust and pollution of windows etc. The precision is higher, selectivity is better and response time is shorter

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  • Advance technology of TDLAS
  • High selectivity of methane, but not interfered by other gases
  • High accuracy and sensitivity
  • Good resistance against sun, water, sand, wind and shock
  • Less drift due to temperature
  • Longer life span and low maintenance cost

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  • Natural Gas Pipe Lines
  • Oil platforms
  • Separation of Gas Storage Stations
  • The IMR 8000 can work in severe environments
    • Sea Water
    • Snow, fog, Rain, Ice

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  • Range: 0~100%LEL · m
  • Working distance: 120m
  • Working humidity: 0~95%RH
  • Working temperature: -40℃ ~ +60℃
  • Zero drift: ±5%LEL·m
  • Ingress protection: IP66
  • Ex d IIC Tb Gb Certified
  • 316L stainless steel housing
  • 4 ~ 20mA or RS485 signal output
  • Power input: 14-32VDC

  • Fog, rain, sleet, snow and ice:
    • With heated optics, working temperature is -40℃ ~ +60℃ and humidity is 0~95%RH;
    • Work normally even beam decreasing about 90%.
  • Sea water or severe environments:
    • 316L stainless steel housing
    • IP66 design
  • Beam fault alert:
    • Through 4-20mA or RS485 signal output.

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