Dwyer 477AV-000 Digital Pressure Gauge 80mm Differential Pressure Manometer
Product Attributes
| Attribute |
Value |
| Accuracy |
±0.5% FS, 60 To 78°F (15.6 To 25.6°C) |
| Material |
Consult Factory. |
| Pressure Range |
See Chart |
| Size |
80MM |
| Product Name |
Dwyer 477AV-000 Digital Manometer |
| Gauge |
Differential Pressure Gauges |
Product Description
The Dwyer Series 477AV Handheld Digital Manometer is a portable precision instrument designed for on-site measurement of pressure, air velocity, and flow in HVAC, industrial, and environmental applications. With built-in calculation functions and field-calibration capabilities, it eliminates manual errors and streamlines testing processes.
Product Features
- Triple Measurement Modes:
Pressure: in. w.c., psi, kPa, mbar, etc.
Velocity: fpm, m/s, mph, knots.
Flow: cfm, m³/h, m³/s.
- High Accuracy:
±0.5% FS at 15.6-25.6°C (60-78°F); ±1.5% FS in extended temperatures.
- Field Calibration:
Adjustable zero/span values and damping function for fluctuating readings.
- Portable Design:
9V battery operation (user-replaceable), 10.2 oz (289 g) weight for handheld use.
- NIST Calibration:
Optional traceable certification for critical applications.
Technical Specifications
| Parameter |
Detail |
| Model |
477AV-000 (0-1.00 in. w.c. range) |
| Pressure Range |
0-1.00 in. w.c. (0-250 Pa) |
| Media |
Air and compatible gases |
| Display |
0.42" (10.6 mm) 4-digit LCD with backlight |
| Temperature Range |
Operating: -17.8-60°C (0-140°F); Compensated: 0-40°C (32-104°F) |
| Process Connections |
Two barbed fittings for 1/8" or 3/16" ID tubing (compression fittings for high-pressure models) |
| Units of Measurement |
15+ pressure units, 6 velocity units, 3 flow units |
| Battery Life |
Typical life: 100 hours continuous use |