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Portable and battery-operated, this handheld digital manometer offers a 0 to 20" (0 to 50 cm) w.c. range and measures positive, negative, and differential pressure with ±0.10% full-scale accuracy. Selectable metric pressure units eliminate the need for manual conversions. It stores up to 40 readings and features a backlit display for low-light areas, along with a hold function and both visual and audible overpressure alarms.
Portable and battery-operated, this handheld digital manometer offers a 0 to 20" (0 to 50 cm) w.c. range and measures positive, negative, and differential pressure with ±0.10% full-scale accuracy. Selectable metric pressure units eliminate the need for manual conversions. It stores up to 40 readings and features a backlit display for low-light areas, along with a hold function and both visual and audible overpressure alarms.
Features
Applications
| Range | 0 to 20.00 in w.c |
| bar | 0.0498 |
| psi | 0.7225 |
| "Hg | 1.471 |
| kPa | 4.982 |
| "w.c. | 20.00 |
| mm Hg | 37.36 |
| mbar | 49.82 |
| ft w.c. | 1.667 |
| mm w.c. | 508.0 |
| Pa | 4982 |
| Maximum Pressure | 3 psig |
| Accuracy | ± 0.1 % ± 0.10% FS from 60 to 78°F (15.6 to 25.6°C) ± 1% FS from 32 to 60 and 78 to 104°F (0 to 15 .6 and 25.6 to 40°C) |
| Compensated Temperature | Maximum: 176°F (80°C) Minimum: -4°F (-20°C) |
| Display | 4-digit LCD |
| Hysteresis | ± 0.1% |
| Materials, Wetted | Consult factory |
| Measurement Pressure | Maximum: 20 inH₂O Minimum: 0 inH₂O Type: Flow, pressure, velocity |
| Media Compatibility | Clean dry air/inert gas, HVAC/room air, inert/non-reactive gases, nitrogen |
| Number of Digits | 4 |
| Operating Pressure, Max | Maximum 3 psi |
| Operating Temperature | Maximum: 140°F (60°C) Minimum: 0°F (-17.8°C) |
| Pressure Limits | Up to 100 psi |
| Process Connection | Size: 1/8" (3.1 mm) Type: Barbed connection |
| Country of Origin | United States |
| Power | Type: Battery Alkaline 9 V |
| Dimension | Display digits: 0.425 x 0.234" (1.08 x 0.59 cm) |
| Weight | 10.2 oz (284 g) |
Click on a category to view a selection of compatible accessories with the Dwyer 477B-1 Handheld Digital Manometer, 0 to 20" w.c..
| Range | 0 to 20.00 in w.c |
| bar | 0.0498 |
| psi | 0.7225 |
| "Hg | 1.471 |
| kPa | 4.982 |
| "w.c. | 20.00 |
| mm Hg | 37.36 |
| mbar | 49.82 |
| ft w.c. | 1.667 |
| mm w.c. | 508.0 |
| Pa | 4982 |
| Maximum Pressure | 3 psig |
| Accuracy | ± 0.1 % ± 0.10% FS from 60 to 78°F (15.6 to 25.6°C) ± 1% FS from 32 to 60 and 78 to 104°F (0 to 15 .6 and 25.6 to 40°C) |
| Compensated Temperature | Maximum: 176°F (80°C) Minimum: -4°F (-20°C) |
| Display | 4-digit LCD |
| Hysteresis | ± 0.1% |
| Materials, Wetted | Consult factory |
| Measurement Pressure | Maximum: 20 inH₂O Minimum: 0 inH₂O Type: Flow, pressure, velocity |
| Media Compatibility | Clean dry air/inert gas, HVAC/room air, inert/non-reactive gases, nitrogen |
| Number of Digits | 4 |
| Operating Pressure, Max | Maximum 3 psi |
| Operating Temperature | Maximum: 140°F (60°C) Minimum: 0°F (-17.8°C) |
| Pressure Limits | Up to 100 psi |
| Process Connection | Size: 1/8" (3.1 mm) Type: Barbed connection |
| Country of Origin | United States |
| Power | Type: Battery Alkaline 9 V |
| Dimension | Display digits: 0.425 x 0.234" (1.08 x 0.59 cm) |
| Weight | 10.2 oz (284 g) |
Click on a category to view a selection of compatible accessories with the Dwyer 477B-1 Handheld Digital Manometer, 0 to 20" w.c..
