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Series 477AV Handheld Digital Manometer

Series 477AV Handheld Digital Manometer

Series 477AV Handheld Digital Manometer
Series 477AV Handheld Digital Manometer
Categories Precision Pressure Sensor
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
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Company Info.
Xi'an Kacise Optronics Co.,Ltd.
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Series 477AV Handheld Digital Manometer

Series 477AV Handheld Digital Manometer
Product Introduction
The Series 477AV Handheld Digital Manometer is a versatile measuring instrument designed to accurately measure pressure, air velocity, and flow in various applications. With ±0.5% full-scale accuracy (at 60–78°F/15.6–25.6°C), it eliminates manual calculation errors by integrating built-in velocity and flow algorithms. The device features field-calibratable zero/span adjustments and a damping function to stabilize fluctuating readings, making it ideal for HVAC diagnostics, ductwork testing, and industrial airflow management.

Product Features
Multi-Parameter Measurement:
Measures pressure (in w.c., psi, kPa, etc.), air velocity (fpm, m/s), and flow (cfm, m³/h).
Auto-calculates velocity/flow from pressure inputs, reducing field errors.
Accuracy & Stability:
±0.5% FS accuracy in optimal temperatures (60–78°F), ±1.5% in extended ranges (32–104°F).
±0.1% FS hysteresis for consistent readings across pressure cycles.
Field Calibration:
Adjustable zero/span values for on-site calibration without external tools.
Damping feature to smooth out transient pressure fluctuations.
Display & Units:
0.42"" 4-digit LCD with selectable units for pressure, velocity, and flow.
Supports 12+ pressure units (e.g., in Hg, mbar), 6 velocity units, and 3 flow units.
Portability & Power:
Lightweight design (10.2 oz/289 g) with 9V alkaline battery (user-replaceable).
Low-power mode for extended field use.
Technical Specs at a Glance
ParameterDetails
Model Range Examples477AV-0: 0–10.00" w.c. / 477AV-4: 0–10.00 psi / 477AV-7: 0–100.00 psi
Accuracy±0.5% FS (15.6–25.6°C), ±1.5% FS (0–40°C)
Pressure LimitsVaries by model (e.g., 477AV-0: ~2 psi burst pressure)
Temperature RangeOperating: 0–140°F (-17.8–60°C); Storage: -4–176°F (-20–80°C)
Display0.42" 4-digit LCD, auto-brightness
Process Connections1/8" or 3/16" ID tubing (barbed fittings); 1/8" compression fittings (477AV-7/8)
Power Supply9V alkaline battery (150+ hours typical life)
ApprovalsCE certified
Product Tags:

477AV Digital Manometer

  

Handheld Digital Manometer

  
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Series 477AV Handheld Digital Manometer

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