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Product Description
Dwyer 477AV-1 Handheld Digital Manometer measures pressure using a piezoelectric sensor. When the 477AV is powered on the pressure value and the unit of measurement will be shown. If you select the velocity or flow mode, then velocity or flow will be displayed instead. The mode selection will persist even after the instrument is turned off. In velocity and flow modes, if the reading exceeds 9,999, then a “K” will be displayed next to the unit of measurement and the display will read in units of 1,000 times the original unit of measurement.
Features of Handheld Digital Manometer:
- Calculates and displays air velocity and volumetric airflow
- The rugged aluminum case protects the instrument from damage during transport/use
- 9 selectable English and metric engineering units
- Large, easy to read display with backlight for use in dark areas
- Stores up to 40 readings with minimum, maximum, and average statistics
Additional Information
| Manufacturer | Dwyer |
|---|---|
| Model | 477AV-1 |
| Service | Air and compatible gases |
| Accuracy | ±0.5% FS, 60 to 78°F (15.6 to 25.6°C); ±1.5% FS from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40.0°C). |
| Pressure Hysteresis | ±0.1% of full scale |
| Pressure Limits | See chart on catalog page. |
| Temperature | 0 to 140°F (-17.8 to 60°C) |
| Compensated Temperature Range | 0 to 140°F (-17.8 to 60°C) |
| Storage Temperature | -4 to 176°F (-20 to 80°C). |
| Display | 0.42" (10.6 mm) 4 digit LCD. |
| Resolution | See chart on catalog page. |
| Pressure units | in w.c., ft. w.c., in Hg, psi, oz/in², mm w.c., cm w.c., mm Hg, mbar, Pa, kPa, hPa. |
| Velocity Units | fpm, fps, mph, m/h, m/s, k/h, knot. |
| Units of Flow | cfm, m3/h, m3/s |
| Power Requirements | 9 V Alkaline battery, installed non-functional, user replaceable. |
| Weight | 300 Grams |
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