Principle Introduction:
Winsen Electronics, as a professional gas sensor manufacturer, produce electrochemical ammonia sensor, NH3 sensor for industrial use, using electrochemical working principle.
ME3-NH3 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.

Applications :

Widely used in industrial and environmental protectionl fields

Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.

Item	Parameter
Detection gas	NH3, ammonia gas sensor
Measurement Range	0~50ppm
Max detecting concentration	200ppm
Sensitivity	(0.10±0.05)µA/ppm
Resolution ratio	0.5ppm
Response time (T90)	≤90S
Bias voltage	0mV
Load resistance (recommend)	10Ω
Repeatability	<10%output value
Stability (/month)	<10%
Output Linearity	linear
Zero drift (-20℃~40℃)	-3~10ppm
Storage temperature	-20℃~50℃
Storage Humidity	15%~90%RH
Pressure range (kPa)	90-110
Anticipated using life	2 years

External dimension

Reference Circuit :

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