WIKA 50217488 Submersible Liquid Level Pressure Transmitter With 40' Polyurethane Cable, 4 - 20mA 2-Wire Signal Output, Stainless Steel Wetted Parts, 0-400" WC Range, 0.25% Accuracy, G1/2B Connection Level measurement in water and wastewater treatment plants, wells, holding tanks, wet wells, rivers Piezoresistive sensor technology, Ranges from 50 InWC to 400 psi Rated IP 68 for permanent submersion, Hastelloy case available for aggressive media 4-20 mA 2-wire output signal, others available, lightning protection available 72 psi Maximum pressure and 87 psi burst pressure