Plug-In PS1000 Pressure Sensor (Adjustable) The SMC PS1 series, electronic pressure switch is available for positive pressure and for vacuum. PS1 series is extremely compact and lightweight. A 2-wire switch is applicable to either NPN or PNP output. The plug-in reducer port for one-touch fittings makes the PS1 series easy to mount, and the large LED display provides a highly visible switch. For use with SMC “One Touch” fittings ≤ +/- 1% FS Repetition Accuracy Easily adjusted via setting trimmer 2 wire connection LED indicator on sensor Solid State Switch Output, 40mA @ 12Vdc Hysteresis ≤4% FS Operating Temp. Range (°C) 0 to +60 Suitable Media Air Switch Contact Rating 40 mA Pressure Switches Warning Compressed air, while generally considered a safe source of energy, must always be treated with caution and under no circumstances be used for any other purposes than that for which it is intended. Warning Compressed air whilst generally considered a safe source of energy must always be treated with caution and under no circumstances be used for any other purposes than that for which it is intended.