Digital: Series 476A, 478A DWYER

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

Application

Verify field instrumentation performance
Adjust fuel mixture on combustion systems

Single Pressure Differential Pressure Digital Manometer, accuaracy: ±1.5%FS, available pressure range: -20 to 20, -4 to 4, -60 to 60

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Specification

Service:	Air and compatible gases.
Wetted Materials:	Consult factory.
Accuracy:	±1.5% Full Scale @ 72°F (22.2°C). Includes linearity and repeatability.
Pressure Hysteresis	±0.1% of Full Scale.
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).
Storage Temperature Limits:	-4 to 176°F (-20 to 80°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.
Weight:	10.8 oz. (306 g).
Process Connections:	Barbed connection for use with 3/16" or 1/4" I.D. tubing.
Agency Approvals:	CE, FM.

Description: The Series 476A Single Pressure Differential Pressure Digital Manometer can be used to measure low pressures from -20 to 20 in w.c. with ±1.5% FS 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.