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Electrochemical Sensors for Specific Gas PPM Monitoring
Courtesy of Control Instruments Corporation (CIC)
Echem sensors are able to read a specific gas even when it is mixed in a background of other gases. Echem sensors are typically used to read very low PPM concentrations of toxic gases.
The Echem sensor consists of a small cell holding an electrolytic solution. This solution needs a specific gas in order to produce an electrical signal. When the specific gas passes through a permeable membrane and contacts the solution, an electrical signal is produced that is proportional to the amount of gas present.
Echem sensors are a vast improvement over older PPM-range toxic gas sensors. They are easy to use and have a linear output. The cell requires replacement every one to two years.
CIC offers Echem sensors for:
- Hydrogen Sulfide
- Carbon Monoxide
- Hydrogen
- Oxygen
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