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. (i.e. can monitor the amount of current to or from your main or auxiliary battery).
The REDARC Hall effect current sensor is a high performance, compact cable mounted current sensor suitable for installation into rugged environments where a fully sealed product is required to assure reliability. This REDARC device is 100A rated and cannot be damaged by overload.