Dwyer 490A [490A-1] Handheld Digital Manometer, 0 to 15 psi (0 to 103.4 kPa)

The Dwyer 490A-1 Digital Manometer is a versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A new feature added to the Series 490A is a field adjustable damping, which allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.