Dwyer Series 478A Differential Pressure Digital Manometer, -60.0 to 60.0"WC
The Series 478A manometer can be used to measure positive, negative, or Differential Pressures. The unit features selectable units, auto zero, hold and a Min/Max function. Press the Hold key to freeze the current pressure measurement on the display. The 478A manometer includes a zeroing button to null out any minor pressure differences.
