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Alphasense, an established supplier of Electrochemical Gas Sensors, also offers 4-20 transmitter circuits for use with 'B' series Toxic sensors and O2-A2 Oxygen sensors in a compact 39mm square circuit board.
Operating with supply voltages from 7.5 to 35VDC without loss of accuracy, boards are available for use with sensors for measuring Carbon Monoxide, Hydrogen Sulfide, Sulfur Dioxide, Nitrogen Dioxide, Chlorine and Oxygen.
Boards are supplied with sensors and are factory calibrated for easy use in your transmitter housing. Installation flexibility, low power consumption and a simple two-wire connection through a standard industrial connector, make it easy to integrate reliable gas detection into your system.
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