Series 477AV Handheld Digital Manometer

Price Negotiable

Price: Negotiable

MOQ: 1PCS

Delivery Time: 5-8 work days

Brand: Dwyer

Product Description

Series 477AV Handheld Digital Manometer

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 Overview

The Series 477AV Handheld Digital Manometer is a precision instrument for measuring pressure, air velocity, and flow in HVAC systems and industrial applications. With ±0.5% full-scale accuracy in optimal conditions, it features built-in velocity/flow calculations to eliminate manual errors and includes field calibration capabilities for reliable performance.

Series 477AV Handheld Digital Manometer showing LCD display and pressure ports

Key Features

Multi-Parameter Measurement: Measures pressure (in w.c., psi, kPa), air velocity (fpm, m/s), and flow (cfm, m³/h) with auto-calculations
High Accuracy: ±0.5% FS at 60-78°F (15.6-25.6°C), ±1.5% FS at 32-104°F (0-40°C)
Field Calibration: Adjustable zero/span values and damping function for stable readings
Versatile Display: 0.42" 4-digit LCD with selectable units for 12+ pressure units, 6 velocity units, and 3 flow units
Portable Design: Lightweight (10.2 oz/289 g) with 9V alkaline battery (150+ hour life)

Technical Specifications

Parameter	Details
Model Range Examples	477AV-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 Limits	Varies by model (e.g., 477AV-0: ~2 psi burst pressure)
Temperature Range	Operating: 0-140°F (-17.8-60°C); Storage: -4-176°F (-20-80°C)
Display	0.42" 4-digit LCD, auto-brightness
Process Connections	1/8" or 3/16" ID tubing (barbed fittings); 1/8" compression fittings (477AV-7/8)
Power Supply	9V alkaline battery (150+ hours typical life)
Approvals	CE certified