ME2-CH2O-Ф16 electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.
Features
- Low consumption
- High precision
- High sensitivity
- Wide linear range
- Good anti-interference ability
- Excellent stability
Application
Detecting CH2O in civilian, industrial area, and environmental protection
Technical Parameter
Detection gas: HCHO
Measurement Range: 0-10 ppm
Max detecting concentration: 50 ppm
Sensitivity: (0.55±0.25) µA/ppm
Resolution ratio: 0.02ppm
Response time (T90): ≤60S
Load resistance (recommend): 100Ω
Repeatability: ＜2% output value
Output Linearity: linear
Zero drift (-20 ℃ ~ 40 ℃): ≤0.2ppm
Humidity Range: 15% ~ 90%RH
Temperature Range: -20℃ ~ 50℃
Pressure range: normal atmosphere ± 10%
Anticipated using life: 2 years (in air)
