FK438 is a water level detector circuit for pump control incorporating a warning device for high or low water levels.
Applications include controlling levels in header tanks, detection of overflow conditions and for warning of low water tank levels.
The high level/low level relay functionality is changeable via a jumper selection.
An audible alert is available on-board and can be selected via a dedicated Jumper.
– Power supply : 12VDC.
– Consumption : max. 150mA. (working), max. 11mA. (standby).
– The operation can be changed for high or low water level alarms and of relay action
– Relay Loading : 1A.
– PCB dimensions : 67.1 mm X 47.5 mm (2.64 x 1.87 in.)