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Building on 40 years experience with alcohol fuel cell sensors

Interface circuit board


Product Documents

SKU: 3-CB Category:


These circuit boards are intended to assist your development program, providing you with a convenient amplified output from our sensors. They provide output of up to 3.75V with a 9V supply (not included). The sensor and power connections receive Molex crimp housing 50-37-5023 – a 9V battery connector with this housing is supplied with the board, and we will include a suitable quantity of connector leads with housings if sensors are ordered at the same time as the board.



Our formaldehyde interface circuit boards (3-CBF) have been altered from the specification as listed on the datasheet.

The two product types have been merged as there is no longer a difference between them, and the variable gain resistor has been replaced by a fixed 1M gain instead.

This is to allow our customers to use a board with multiple calibrated sensors.

The sensitivity of the sensors will be provided in nA/ppm, this can then be converted to a ppm output by factoring in the 1M gain.


Additional information

Weight 0.03 kg
Sensor compatibility

Type 3/3A alcohol sensors, Type 4/4A alcohol sensors, Type 5 alcohol sensors, Formaldehyde sensors

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