Dwyer 478A-1 Differential Pressure Digital Manometer


Key Features:

  • Range: -60 to 60" w.c.
  • One button auto-zero function
  • Auto power off function to conserve battery life
  • Rugged extruded aluminum housing
  • Instant selection of up to nine English/metric units
  • ±0.5% FS accuracy
Product Options:
Call For Price

Secured and trusted checkout with

The Dwyer 478A-1 is a differential pressure digital manometer that can be used to measure positive, negative, or differential pressures. Ranges from -60 to 60 in w.c.
ServiceAir and compatible gases
Wetted MaterialsConsult factory
Accuracy±1.5% FS @ 72°F (22.2°C). Includes linearity and repeatability.
Pressure Hysteresis±0.1% of FS
Pressure Limits5 psig (.34 bar)
Temperature Limits0 to 140°F (-17.8 to 60°C)
Compensated Temperature Limits32 to 104°F (0 to 40°C)
Thermal Effect0.05% F.S./°F
Display4 digit LCD (.425"H x .234"W digits)
Power Requirements9 V alkaline battery, installed non-functional, user replaceable
Process ConnectionsBarbed connection for use with 3/16" or 1/4" I.D. tubing
Weight10.8 oz (306 g)
Agency ApprovalsCE
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account

Products In This Series

As low as

Now $223.00