FM approved for hazardous environments, the explosion proof ultrasonic level transmitter provides continuous level measurement up to 32.8' with a 4-20 milliampere signal output, and is configured via the integral push button display module. This non-contact liquid level sensor is ideally suited for corrosive, ultrapure, sticky or dirty liquids, and is widely selected for bulk storage, day tank, lift station and process tank level applications located in a classified area. Rugged PVDF transducer and process mounting plug for corrosive liquids. Automatic temperature compensation for accurate measurement. Range: 8" to 32.8'. Accuracy: +/- 0.2 percent of range. Resolution: 0.079". Dead band: 8". Beam width: 3". Configuration: push button. Memory: Non-volatile. Display type: LCD, 6-digit. Display units: Inch, cm, percent, feet or meter. Supply voltage: 18 to 28 VDC. Loop resistance: 250 Ohms at 24 VDC. Signal output: 4-20 milliampere, two-wire. Signal invert: 4-20, 20-4 milliampere. Signal fail-safe: 4, 20, 21, 22 milliampere or hold last. Process temprature: -4 to 140 degreeF. Temprature compensation automatic. Ambient temprature: -40 to 140 degree. Pressure: MWP equal to 30 psi. Enclosure rating: Type 4. Enclosure material: aluminum. Conduit entrance: Dual, 1/2" NPT. Translucent material: PVDF. Process mount: 2" NPT. Mount gasket: Viton. Classification: explosion proof. Compliance: CE, RoHS. Approvals: FM: Class I, Div I Groups A, B, C, D Class II/III, Div I, Groups E, F, G.