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    • >Products > NDIR Infrared Module
      • NDIR Infrared Module
      • Product Overview
      • MessageEmail

        The EM-5 infrared module is a gas analysis module based on the principle of non-dispersive infrared absorption spectroscopy(NDIR). It consists of a light source module, gas chamber, detector module, and control unit, capable of accurately quantifying various gas components such as CO2, CO, CH4, N2O, SF6, HC, and H2O. The infrared module series mainly includes non-temperature-controlled models, temperature-controlled models, and high-precision temperature-controlled models. The non-temperature-controlled model is compact and easy to integrate, with temperature compensation to reduce the impact of temperature on concentration to some extent. The temperature-controlled model has built-in insulation, is cost-effective, and can be used in measurement scenarios where temperature fluctuations have a significant effect. The high-precision temperature-controlled model features a built-in high-precision temperature control system, offering high measurement accuracy, good stability, and fast response time.

      •  Features

        1. Highly stable circuit design with minimal temperature drift
          and low detection limit.

        2. Utilizes a reference method to eliminate long-term light
          source attenuation.

        3. Short response time, with a fastest response of 3 seconds.
          Equipped with temperature and pressure compensation for
          high measurement accuracy.

        4. Wide flow usage range, configurable from 0.5L to 2L based
          on customer needs.

        5. Modular design for easy maintenance and integration.
          Pulsed modulation light source with a long lifespan and high
          cost-effectiveness.

        6. Special treatment of the inner walls of the gas chamber to
          enhance light signal utilization, suitable for special working
          conditions.

        7. Measurement range from umol/mol level to percentage level,
          with customizable range based on customer requirements.



         Specifications

        Item Specification
        PrincipleNon-dispersive infrared(NDIR)


        ComponentCO CO
        2
        N2O HC
        Range0-1000umol/mol~1%
        0-2000umol/mol~2%
        0-5000umol/mol~5%
        0-1 ~ 10 %
        Other ranges
        customizable
        0-100~1000umol/mol
        0-300~3000umol/mol
        0-500~5000umol/mol
        0-1~5%
        0-5~10%
        0-10~30%
        Other ranges customizable
        0-100~500umol/mol
        Other ranges
        customizable
        0-2000umol/mol~6%
        Other ranges
        customizable
        Response time≤20s ≤10s ≤10s ≤10s
        Zero drift±2%F.S. /7d±1%F.S. /7d±1%F.S. /7d ±1%F.S. /7d
        Span drift±2%F.S. /7d±1%F.S. /7d ±1%F.S. /7d ±1%F.S. /7d
        Indication errorWithin ±2%F.S.
        Warm-up time30min
        Signal outputRS485
        Ambient temp0~50℃
        Ambient humidity≤85%RH

        *Other ranges can be customized according to user needs.

         Applications

        Suitable for applications such as fixed pollution sources, mobile pollution sources, greenhouse gases, water quality TOC, industrial processes, blast furnace gas, road monitoring, dissolved gases in transformer oil, marine CO2 monitoring, automotive exhaust monitoring, anesthetic gases, incubators, and more.


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