Profile: SOR Inc. designs & manufactures process instrumentation products. SOR weatherproof pressure switches with standard wetted parts are normally suitable for air, oil, water, and non-corrosive processes. Corrosive service & particular customer requirements may require optional components. 805PT compact loop-powered transmitter has rugged construction which makes cost of ownership low, and it carries a three-year warranty. The SOR 805PT pressure transmitter is suitable for hazardous locations & hostile environments where space is limited. It meets applications where low-cost, continuous monitoring is preferred. Zero & span are adjusted via SOR calibration manager software which is included in the calibration kit.