The barometric pressure sensors are attached to a marine grade cable, with lengths up to 500 ft available upon request. The barometric pressure sensor's output is 4-20 mA with a two wire configuration. Covers a pressure range from 800 to 1100 mb (23.6 to 32.5 Hg) and is fully temperature compensated within an operating range of -40° to 65° C. WE100 Barometric Pressure Sensor