DWYER – Series 478A Digital Manometer

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Description

Series 478A Digital Manometer

Dual Pressure Measurement, Electronic Zeroing, ±1.5% Accuracy

The Series 478A Single Pressure Differential Pressure Digital Manometer can be used to measure positive, negative, or differential pressures. Both units are constructed of an extruded aluminum case for exceptional durability.

NIST CALIBRATION available in Product Configurator.

 

Product Applications

  • Verify field instrumentation performance
  • Adjust fuel mixture on combustion systems0

 

Features

  • 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

 

Differential Pressure

Model Description
478A-0 Digital differential manometer, range -4 to 4″ w.c.
478A-1 Digital differential manometer, range -60 to 60″ w.c.

 

Specifications

  • Service: Air and compatible gases.
  • Wetted Materials: Consult factory.
  • Accuracy: ±1.5% FS @ 72°F (22.2°C). Includes linearity and repeatability.
  • Pressure Hysteresis: ±0.1% of FS.
  • Pressure Limits: 5 psig (.34 bar).
  • Temperature Limits: 0 to 140°F (-17.8 to 60°C).
  • Compensated Temperature Limits: 32 to 104°F (0 to 40°C).
  • Thermal Effect: 0.05% F.S./°F.
  • Display: 4 digit LCD (.425″H x .234″W digits).
  • Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
  • Process Connections: Barbed connection for use with 3/16″ or 1/4″ I.D. tubing.
  • Weight: 10.8 oz (306 g).
  • Agency Approvals: CE.

 

 

Additional information

Weight 1 kg
Model

478A-0, 478A-1

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