This unit is available only as Mains powered.

This unit can be supplied as a Datalogger only, or with PSTN Modem or with GSM Modem by simplying plugging in the required communications option.

The M20 comes as standard with 8 analogue inputs and 16 digital inputs. Configuration of the unit is simple using user friendly configuration software which also carries out the downloading of the logged data, with export to CSV format.