Probe, Level, Hydrostatic, Hart Protocol Output, Accuracy -/+0.2 %, Probe Tube 42mm OD Flush Mount-AISI 316L, 400mbar/40kPa/6psi gauge, 4m H2O/13 ft H2O/160 in H2O Sensor Range, w/ 30ft Polyethylene Cable & Terminal Box IP66/67