Infrared Carbon Dioxide (Co2) Sensor Module IRM202

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Infrared Carbon Dioxide (Co2) Sensor Module IRM202
Posting date : May 03, 2014
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Introduction IRM202 is one of the general NDIR CO2 gas modules, which adopting NDIR principle, consists of patented light chamber, precise electric circuit and intelligent software. With the help of single light source, dual channel detector, and microprocessor, IRM 202 can perform the gas concentration signal in different ways. In this product, temperature compensation has been realized as well as the revision of the nonlinear relationship. It has all the advantages from NDIR products, such as good selectivity, high sensitivity, long life and independence to O2. IRM202 is suitable for the test in flexible occasion, for example indoor air monitoring, agriculture etc. All of our products can be customized according to your requirement. Technical Data Working conditions Description Symbol Value Unit Storage temperature Tstg -20 to 80 °C Working temperature TA 0 to +50 °C Working humidity HA 0 to 90 % RH Working pressure PA 0.8 to 1.2 ATM Electric characteristics Description Symbol Min. Typical Max. Unit Supply power Vs 4.5 5 5.5 V Light current Iavg 50 60 70 mA Frequency f 0.2 0.33 2 Hz Preheat time twarm 90 120 180 Sec Performance characteristics Description Min Typical Max Unit Detection range 0 10000 50000 ppm Detection accuracy - ±50ppm±5% FS - ppm T90 diffusing - 45 60 Sec pumping - - - Sec Repeatability Zero <±80 ppm 50% FS - <±8% FS - Temperature coefficient (0~50°C) Zero <±2 100ppm /°C 50% FS - <±1 - % reading data /°C Lifetime - 5 - Year

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