SVLEC digital vacuum pressure switch 0~-101.3 kPa , it have PNP and NPN type for select . This digital vacuum pressure switch use for filtered air , non-corrosive non-flammable gas . and for SVLEC digital vacuum pressure switch have kPa , MPa , kpf/cm2 , bar , psi , inHg , mmHg set pressure switch . SVLEC digital vacuum pressure switch have output short circuit protection , and 3 color display can easy recognize the different status . Each pressure switch with 1.5 meter PVC cable for signal .