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Documents: 478A-0

476A 478A Series 476A & 478A Catalog Page More Info

478A-0 | Digital differential manometer | range -4 to 4" w.c. | Dwyer

Digital differential manometer, range -4 to 4" w.c.

Brand: DwyerSKU: 478A-0

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Digital differential manometer | range -4 to 4" w.c.

Series 476A Single Pressure & Series 478A Digital Manometer

Single & Dual Pressure Measurement, Electronic Zeroing, ±1.5% Accuracy

The Series 476A Single Pressure Differential Pressure Digital Manometer can beused to measure low pressures from -20 to 20 in w.c. with ±1.5% FS accuracy. TheSeries 478A Single Pressure Differential Pressure Digital Manometer can be usedto measure positive, negative, or differential pressures. Both units are constructed ofan extruded aluminum case for exceptional durability.

NIST CALIBRATION available in Product Configurator.

Product Applications

Verify field instrumentation performance
Adjust fuel mixture on combustion systems

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

Specifications

Series: 476A Single Pressure & Series; 478A Digital Manometer
Category/Type: Pressure
Type: Manometers
Series: 476A Single Pressure & Series; 478A Digital Manometer
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.