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Constructed of an extruded aluminum case for exceptional durability
The Series 476A Single Pressure Digital Manometer can be used to measure low pressures from -20 in W.C. - 20 in W.C. with ± 1.5% FS accuracy. The Series 478A 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.
• 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
| 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 PSI (0.34 Bar) |
| Temperature Limits | 0°F - 140°F (-17.8°C - 60°C) |
| Compensated Temperature Limits | 32°F - 104°F (0°C - 40°C) |
| Thermal Effect | 0.05% F.S./°F |
| Display | 4 digit LCD (0.425 in H x 0.234 in W digits) |
| Power Requirements | 9 V alkaline battery, installed non-functional, user replaceable |
| Process Connections | Barbed connection for use with 3/16 in or 1/4 in I.D. tubing |
| Weight | 10.8 oz (306 g) |
| Agency Approvals | CE |
• Verify field instrumentation performance
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