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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.
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 |
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