The PSD-30 pressure switch is programmable within its setting range using the in-head key pad and LED display. Switches have two set points with either PNP or NPN switching function and optional 4-20mA output. Process connections include 1/4" and 1/2" BSP male and 1-1/2" and 2' ASME BPE clamp fittings with flush diaphragm seal. Standard units are suitable for operating temperatures up to 85°C. When fitted with cooling element, diaphragm seal units can be used up to 200°C. Further detials and pricing are available upon request.