Dwyer 476A Digital Manometer

(GST 18% Exclusive)

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Dwyer 476A Digital Manometer is a low-cost, high-reliability pressure measurement device. It is used to measure positive, negative, or differential pressures from -20 to 20 inches of water column (w.c.) with an accuracy of ±1.5% full scale. The 476A is easy to use and features a four-digit LCD display, zero function, and auto power off. It is constructed of an extruded aluminum case for exceptional durability.

Applications: Industrial automation, Calibration of pressure switches.

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Dwyer 476A Digital Manometer is simple to use and features a clear and easy-to-read four-digit LCD. The display can be switched to display pressure in a variety of units, including inches of water column (w.c.), inches of mercury (Hg), pounds per square inch (psi), and kilopascals (kPa). The 476A also features a zero function that allows the user to null out minor pressure differences before measuring.

Features of Dwyer 476A Digital Manometer:

  • Rugged extruded aluminum housing
  • One-button auto-zero function
  • Auto power off function to conserve battery life

Additional information

Weight 1 kg


Model No


Measuring Parameters


Pressure Range

-20 to 20 in w.c

Pressure Hysteresis

±0.1% of FS.

Pressure Limits

5 psig (.34 bar).

Temperature Range

0 to 140°F (-17.8 to 60°C).

Pressure Accuracy



4 digit LCD (.425"H x .234"W digits).


9 V alkaline battery, installed non-functional, user replaceable.


10.8 oz (306 g)

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Dwyer 476A Digital Manometer

Dwyer 476A Digital Manometer

(GST 18% Exclusive)

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