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Brand Name : Dwyer
Model Number : 477AV-000
MOQ : 1PCS
Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability : 1000 Piece/Pieces per Week negotiable
Delivery Time : 5-8 work days
Packaging Details : each unit has individual box and all boxes are packed in standard packages or customers requests available
Certification : CE
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
Dwyer 477AV-000 Digital Pressure Gauge 80mm Differential Pressure Manometer
Product Introduction
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] |
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Dwyer 477AV-000 Digital Pressure Gauge 80mm Differential Pressure Manometer Images |