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.
Highly stable circuit design with minimal temperature drift
and low detection limit.
Utilizes a reference method to eliminate long-term light
source attenuation.
Short response time, with a fastest response of 3 seconds.
Equipped with temperature and pressure compensation for
high measurement accuracy.
Wide flow usage range, configurable from 0.5L to 2L based
on customer needs.
Modular design for easy maintenance and integration.
Pulsed modulation light source with a long lifespan and high
cost-effectiveness.
Special treatment of the inner walls of the gas chamber to
enhance light signal utilization, suitable for special working
conditions.
Measurement range from umol/mol level to percentage level,
with customizable range based on customer requirements.
Item | Specification |
Principle | Non-dispersive infrared(NDIR) |
Component | CO | CO 2 | N2O | HC |
Range | 0-1000umol/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 error | Within ±2%F.S. | |||
Warm-up time | 30min | |||
Signal output | RS485 | |||
Ambient temp | 0~50℃ | |||
Ambient humidity | ≤85%RH |
*Other ranges can be customized according to user needs.
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.