Dwyer 185EL-S1SS is a linear smart positioner designed for use in hazardous locations. It has an operating temperature range of -22 to 185°F (-30 to 85°C) and an enclosure rating of NEMA 4X (IP66). The housing is available in either aluminum or 316SS for durability. With a linearity of ±0.5% FS and a repeatability of ±0.3% FS, it offers accurate and precise performance. The positioner has a 1/2" NPT conduit connection and a 1/8" NPT connection. It also features hysteresis of ±0.5% FS, sensitivity of ±0.2% FS, and an input impedance of 460 Ω max @ 20 mA DC. With an air consumption of .0004 scfm (.01 LPM) at 20 psig (1.4 bar) supply and a flow capacity of 2.1 scfm (60 LPM) at 20 psig (1.4 bar) supply, it ensures efficient operation. The input signal is 4 to 20 mA DC, and the air supply range is 35 to 116 psi (2.4 to 8 bar). The air connections are 1/4" NPT, and the positioner has a stroke range of 0.5 to 6" (10 to 150 mm) or 0 to 90°.