Maretronâs submersible pressure transducers are used for indicating tank levels and can be installed directly in the tank.• Output: 4 â 20mA current loop, loop powered• Sensor Type: Gauge (Vent Tube)• Excitation Voltage: 8VDC to 28VDC• Compatible Fluids / Gases Motor Oil, Diesel, Hydraulic Fluid, Water, Waste Water• Construction: 316L stainless steel body and diaphragm, polyether polyurethane cable, chloroprene boot With 4.9 Feet Length IP67 Waterproof PVC Cable 4 To 20 Milliampere Output 9 To 30 Volt DC