CSA approved for hazardous environments, the intrinsically safe ultrasonic point level switch provides reliable liquid level detection of chemical, solvent, hydrocarbon and petroleum based liquids with a 1A relay output. Media examples include fuel, acetone and hydrochloric acid. The submersible polypropylene or PFA liquid level sensor is universally mounted through the tank wall or inside the tank as a high level alarm or low level alarm. Able to mount through the side wall or top wall of tank. Compatible with Smart Track or Switch-Pak mounting options. Orientation: universal. Accuracy: +/- 1mm in water. Repeatibility: +/- 0.5mm in water. Supply voltage: 12-36 VDC. Consumption: 25 milliampere maximum. Contact type: (1) SPST relay. Contact rating: GP: 60 VA. IS: 32 VDC at 0.5A. Contact output: selectable NO/NC. Process temprature: -40 to 176 degreeF. Pressure: 150 psi at 25 degreeC, derated at 1.667 psi per degreeC above 25 degreeC. Sensor rating: NEMA 6 (IP68). Sensor material: polypropylene. Cable jacket material: polypropylene. Cable type: 4-conductor, #22 AWG, shielded. Cable length: 10'. Process mount: 3/4" NPT. Mount gasket: Viton. Classification: intrinsically safe. Certificate: CSA, LR 79326. Compliance: CE. Approvals: Class I, Groups A, B, C and D; Class II, Groups E, F and G; Class III. Parameters: Vmax equal to 32V, Imax equal to 300 milliampere, Pmax equal to 1.3W, Ci equal to 0 microfarad, Li equal to 0 microhenry.