... waterOutput: 4-20 mA /0~5V OpitionalCertificate: CEWater Pressure Level Sensor HPT603 Characteristic:Various configurationsCorrosive proof, explore ... , kerosene, crude oil and so on).c. Liquid level measuring in tank, rivers, lake, sea, well, tube, underground ... or 27 mm optionalResponse time:≤20msPressure Type:Gauge pressure Absolute pressure optional.Certificate approving:Exia IICT6 and CE ...