Enerdrive Water Tank Pressure Sensor 0-500mm Tank Depth (0 - 5kPa)Compatible with Simarine SI SCQ25T & SI ST107. Enerdrive SI TPS is from a series of High Performance compact pressure senders. These transmit by using a ASIC signal conditioning chip and dry ceramic capacitive pressure sensor. it has features of anti corrosion, anti wear, shock resistance and vibration resistance. In addition to the general range of sensors, its most outstanding characteristic is the positive and negative gauge pressure function.