... gauge with one relay output and RS485 communication.2 Pressure controller adopts stainless steel case with advantages of good seal, ... high accuracy, excellent stability, etc.3 Pressure controller regulator is applied in various fields, such as petroleum, hydraulics ... ,1/2"NPT,1/4"NPT, M20x1.5(optional)Protection Class: IP 65Case: Diameter 80mm, SUS304Wetted parts: 316 stainless steelMedium: ...