Dwyer 490A-4-3V Digital Manometer 0 to 100 PSI Pressure for Liquids is designed to measure positive and differential pressure from 0 to 100 PSI. The Dwyer 490A-4-3V manometer can tolerate most liquid media compatible with 316LSS and has a new field adjustable dampening feature that allows the user to choose the level of display averaging rate corresponding to the fluctuation level. The Dwyer 490A-4-3V also features up to 7 different units of measure, datalogging up to 40 readings, and a backlit display for dark environments.
*This model is equipped with a 3-way vent valve with bleed screw rated up to 100 psi.