Able to show positive, negative, and differential measurement, Digital Pressure Control gauge is designed for on-demand cleaning. Digital Pressure Monitor gauge is used only for continuous pulse cleaning. ETL- and CE-approved units have compact enclosure, digital LED pressure readouts from 0–8 in. WC, multicolored LED arc readout, 4 functional programming buttons, NEMA 4-rated pulse control panel, and UL-recognized pulse timer board.