The RaceGrade R CSB-100 is a negative battery post connector with integral current and temperature sensor. Designed to clamp to a conventional 16mm negative battery terminal, the sensor reads current flowing into or out of the battery. Range of amperage sensing is +/- 100A. Nominal sensor output is 2.5 volts. The sensor output is ratiometric to the 5v supply. Current sensing is performed by a lossless non-contact Hall Effect design. The temperature measurement is calibrated for a 1K Ohm pull up resistor to 5v as found on MoTeC AT inputs.