Dwyer 477B Digital Manometer
High-precision handheld digital manometer, ±0.10% FS, stores 40 readings with backlight.
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
The 477B handheld digital manometer achieves ±0.10% FS accuracy, with ranges from 0-20″ w.c. to 100 psi, and stores 40 readings. It features a backlight, hold function and audible/visual overpressure alarm, with 7 selectable pressure units, suitable for precision differential pressure calibration and low-pressure measurement of combustion equipment.
| Parameter Name | Technical Specifications |
|---|---|
| Main specifications | |
| Medium | Air and compatible gases |
| Wetted materials | Consult factory |
| Accuracy | ±0.10%FS: 60~78F° (15.6~25.6°C); ±1%FS: 32~60 and 78~104°F (0~15.6 and 25.6~40°C). |
| Pressure hysteresis | ±0.1% of span |
| Pressure limits | See selection table |
| Temperature limit | 0~140°F (-17.8~60°C). |
| Storage temperature | -4~176°F (-20~80°C). |
| Display | 4-digit LCD (0.425" high x 0.234" wide digits). |
| Resolution | See selection table |
| Power Supply | 9 V alkaline battery. Battery included but not connected |
| Connection | Two 1/8" (3.18 mm) or 3/16" (4.76 mm) barbed fittings, for tubing on 477B-1, 477B2, 477B-3, 477B-4 and 477B-5 only. Two compression fittings, 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) O.D. tubing, for 477B-6 and 477B-7 only |
| Weight | 10.2 oz. (289 g). |
| Certification | CE. |
| Model selection | |
| Selection table | Published on the official website as a screenshot of the selection table; for complete model numbers and ranges, see the official manual "477B.i.pdf" in the documentation package. |
- Accuracy ±0.10% FS (15.6~25.6°C)
- 7 common pressure units selectable, no conversion required
- Stores 40 readings with hold function
- Visual and audible overpressure alarm with backlight
Precision differential pressure calibration
For on-site comparison and calibration of transmitters and differential pressure gauges.
Micro-pressure measurement for combustion equipment
Measures micro-pressure in furnace and flue to verify induced-draft and forced-draft matching.
Need selection advice or bulk quotation?
Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
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- Email inquiry web@qishan-sh.com
