The REDARC Hall Effect Current Sensor is an electronic device which is designed to measure the current flowing in a circuit and output the value of that current as a voltage signal.
The REDARC NTC ABS Plastic Temperature Sensor is an NTC temperature sensor encased in a plastic housing for measuring cabin, fridge or outside temperature, temperature range is -20 to +80°C
The REDARC NTC Copper Temperature Sensor is a NTC temperature sensor in a metal copper housing with 6mm diameter mounting hole, temperature range is -20 to +120°C
The REDARC Water and Oil Temperature Sensor is a coolant or oil temperature sensor with a 1/8" NPT thread that is designed to measure from -20~ + 170°C.