MIX2801 Toxic Gas Detection Module

  • Target Gas: CO、H2S、O2、NH3、NO2、O3、N2、SO2、CL2、HF、H2、PH3、HCL etc toxic gases
  • Range :Refer to the following parameter table
  • Application: Portable gas detector,fixed gas alarm and detector

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Principle Introduction:

MIX2801 is a general-purpose and high-performance gas module with electrochemical gas sensors. It uses three electrodes, electrochemical gas sensor and high-performance micro-processor. By installing different gas sensor, the module could detect relevant gas. It is with built-in temperature sensor to make temperature compensation, which makes it could detect the gas concentration accurately.
It has the digital output and analog voltage output at the same time which facilities the usage and calibration and shorten the development period. It is a combination of mature electrochemical detection principle and sophisticated circuit design, to meet customers’ different detection needs.

 

Feature:

* High sensitivity and Accuracy to toxic gas

* Long life, low power consumption

* Good stability

* UART and analog voltage signal output

Application:

* Portable gas detector

* Fixed gas alarm and detector

Technical parameters :

Item Specification
Target Gas CO、H2S、O2、NH3、NO2、O3、N2、SO2、CL2、HF、H2、PH3、HCL etc.
Measurement Range Refer table 2
Operating Voltage DC 5±0.1V DC
Operating Current  < 10 mA
Output UART(TTL electrical Level, 3V)
Analog voltage(refer table 2 for sensor original amplifying signal)
Operating Conditions -20~25℃/15~90%RH(no condensation)
Storage Conditions -20~50℃/15~90%RH(no condensation)
Size ø23.5mm*24.5mm
Life Expectancy 2 years(in air)

 

Measurement Range and signal output:(Table 2)

Target Gas CO O2 NH3 H2S NO2 HCL
Measurement Range (0-1000)ppm (0-25)%VOL (0-100)ppm (0-100)ppm (0-20)ppm (0-10)ppm
Resolution 1 ppm 0.1%VOL 1 ppm 1 ppm 0.1 ppm 0.1 ppm
Output in the air(V0) (0.3-3)V (3-0.3)V (0.3-3)V (3-0.3)V (0.3-3)V (0.3-3)V
Response Time(T90) ≤30S ≤15S ≤150S ≤30S ≤30S ≤60S

Target Gas H2 PH3 SO2 O3 CL2 HF
Measurement Range (0-1000)ppm (0-1000)ppm (0-20)ppm (0-10)ppm (0-10)ppm (0-10)ppm
Resolution 1 ppm 0.1 ppm 0.1 ppm 0.1 ppm 0.1 ppm 0.1 ppm
Output in the air(V0) (0.3-3)V (0.3-3)V (0.3-3)V (3-0.3)V (3-0.3)V (0.3-3)V
Response Time(T90) ≤120S ≤30S ≤30S ≤120S ≤30S ≤60S

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