ME2-CH2O Electrochemical Formaldehyde Sensor CH2O Sensor -16×15


SKU: 582977020022 Category:


• Detection gas: Formaldehyde (CH2O) 
• Measurement Range: 0-5 ppm 
• Max detecting concentration: 20 ppm 
• Sensitivity: (0.45±0.15) µA/ppm 
• Resolution ratio: ≤0.02ppm 
• Response time (T90): ≤60S 
• Humidity Range: 15%~90%RH 
• Temperature Range: -20°C~50°C

ME2-CH2O-16×15 Electrochemical Formaldehyde Sensor

ME2-CH2O-16×15 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.

ME2-CH2O-16×15 Formaldehyde Sensor CH2O Sensor Features
• Low consumption
• High precision
• High sensitivity
• Wide linear range
• Good anti-interference ability
• Excellent repeatability and stability

ME2-CH2O-16×15 Formaldehyde Sensor CH2O Sensor Application
Detecting CH2O in residential occasion and environmental protection areas

ME2-CH2O-16×15 Formaldehyde Sensor CH2O Sensor Technical Parameter

Item Parameter
Detection gas Formaldehyde (CH2O)
Measurement Range 0-5 ppm
Max detecting concentration 20 ppm
Sensitivity (0.45±0.15) µA/ppm
Resolution ratio ≤0.02ppm
Response time (T90) ≤60S
Load resistance (recommended) 100Ω
Repeatability <2% output value
Output Linearity linear
Zero drift (-20°C~40°C) ≤0.2ppm
Humidity Range 15%~90%RH
Temperature Range -20°C~50°C
Pressure range normal atmosphere ± 10%
Anticipated using life 2 years(in air)