20P7-HL-200 Pressure Swichgage (05703550) 20DP Differential Pressure Swichgages The contact is tamper proof

The contact is tamper proof and can be set only with a 1/16 Allen-head wrench

The PV101-R2 is the supersession to the PV101-C

The display boasts a larger screen

Inside the 20P-150

20P7-HL-200 Pressure Swichgage (05703550) 20DP Differential Pressure Swichgages The contact is tamper proof20P7 HL 200: 2" Pressure Swichgage; Semi automatic lockout; "FS" Contact; 0 100 psi (05703550) The Murphy 0 200 PSI Mechanical Lockout Pressure Swichgage 2" with High Low Contacts 20P7 HL 200 is a diaphragm actuated, pressure indicating gage with built in electrical switch, which is used for tripping alarms and or shutdown devices. The gauge mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break resistant lens and a