Dwyer 477AV Digital Pressure Meter
Handheld digital pressure meter, pressure/air velocity/flow in one, accuracy ±0.5% FS.
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
The 477AV handheld digital manometer has built-in air velocity and flow calculation to reduce on-site conversion errors, with an accuracy of ±0.5% FS. It supports 11 pressure units, 7 velocity units and 3 flow units, with adjustable zero, span and damping functions.
| Parameter Name | Technical Specifications |
|---|---|
| Main specifications | |
| Medium | Air and compatible gases |
| Wetted materials | Consult factory |
| Accuracy | ±0.5% FS, 60~78°F (15.6~25.6°C); ±1.5% FS, 32~60°F and 78~104°F (0~15.6°C and 25.6~40.0°C). |
| Hysteresis | ±0.1% of span |
| Pressure limits | See selection table |
| Temperature limit | 0~140°F (-17.8~60°C). |
| Temperature compensation limits | 32~104°F (0~40°C). |
| Storage temperature | -4~176°F (-20~80°C). |
| Display | 0.42" (10.6 mm) 4-digit LCD. |
| Resolution | See selection table |
| Velocity unit | fpm, fps, mph, m/h, m/s, k/h, knot. |
| Flow unit | cfm, m3/h, m3/s. |
| Power Supply | 9 V alkaline battery, user replaceable |
| Weight | 10.2 oz (289 g). |
| Process connection | Two barbed connections for 1/8 inch (3.18 mm) or 3/16 inch (4.76 mm) ID tubing. Two compression fittings for 1/8" (3.18 mm) ID x 1/4" (6.35 mm) OD tubing for 477AV-7 and 477AV-8 |
| Certification | CE. |
| Model selection | |
| 477AV-0 | Digital manometer, range 0-10.00" w.c., air velocity/flow modes. |
| 477AV-00 | Digital manometer, range 0-4.00" w.c., air velocity/flow modes. |
| 477AV-000 | Digital manometer, range 0-1.00" w.c., air velocity/flow modes. |
| 477AV-1 | Digital manometer, range 0-20.00" w.c., air velocity/flow modes. |
| 477AV-2 | Digital manometer, range 0-40.00" w.c., air velocity/flow modes. |
| 477AV-3 | Digital manometer, range 0-200.00" w.c., air velocity/flow modes. |
| 477AV-4 | Digital manometer, range 0-10.00 psi, air velocity/flow modes. |
| 477AV-5 | Digital manometer, range 0-20.00 psi, air velocity/flow modes. |
| 477AV-6 | Digital manometer, range 0-30.00 psi, air velocity/flow modes. |
| 477AV-7 | Digital manometer, range 0-100.00 psi, air velocity/flow modes. |
| 477AV-8 | Digital manometer, range 0-150.00 psi, air velocity/flow modes. |
- Built-in air velocity and flow calculation reduces manual conversion errors
- 11 pressure units, 7 velocity units, 3 flow units
- Adjustable zero and span, with damping function to suppress reading fluctuation
- 4-digit LCD, 9V battery powered
On-site duct air flow measurement
Measures dynamic pressure with a pitot tube and displays flow directly.
Cleanroom differential pressure acceptance testing
Measures and records differential pressure room by room in accordance with standards.
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.
- Phone consultation +86-21-66020232
- Email inquiry web@qishan-sh.com
