Specifications of Sanitary Pressure Transmitter SA-11: Piezoresistive sensor and thin-film sensor technology Compliant with 3A sanitary criteria 1.5″ and 2″ Tri-Clamp® connections Pressure ranges include vacuum, compound and gauge ranges as low as 100 inches water column 4-20 mA 2-wire output signal, others available Designed for media temperature up to 150°C (300°F) Wetted surface finish Ra < 16μ inch