PS4-111-DR1 Copal Electronics PS4 Series Digital Pressure Switch

PS4-111-DR1 belongs to Copal Electronics PS4 series compact digital pressure switch, with built-in pressure sensing chip, digital display and relay output. It converts pipeline pressure into local readout and relay switching signal for pressure monitoring and interlock control, widely used in hydraulic, pneumatic, water treatment and legacy industrial automation system maintenance and spare replacement.