Cs-pt 400 pressure liquid level transmitter. \n\nfeature: oil proof, waterproof, wearable and air-permeable cable. high accuracy, reliability and stability; \nwith the all welded constructions; protection for reversed polarity and over-voltage; anti-rf interference, anti-lightning strike, anti overload and anti-shock; simple installation, widely used in water-supply system, rivers, lakes, sea and reservoirs; specifications: range: 0 to 1m water column to 500 water column accuracy: 0.5 % f. s. and 0.2 % f. s. (including linearity, repeatability and hysteresis), compensated temperature: -14 º fto 140 º f, operating temperature: -14 º f to 176 º f, allowed overpressure: 2.5 times full scale, long term stability: bigger or less than 0.2% f. s. /year, temperature coefficient: bigger than 32.00018 º f f. s. response time: 10 ms output signal: 4 to 20 ma dc (two-wire type) or 0 to 5 v (three-wire type), power supply: 24 vdc bigger or less than 10% ip rating: ip 68.