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Dwyer Digital pressure gauge 0-500Mbar Dwyer 477AV-3 - Measurement

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Dwyer Digital pressure gauge 0-500Mbar Dwyer 477AV-3

Dwyer 477AV-3 is a digital pressure gauge measuring air and compatible gases from 0–500 mbar with ±0.5% FS accuracy. Operating range spans 0 to 140°F, storing up to 40 readings. Ideal for HVAC, pneumatic systems, and…

SKU 3G-CBM-04574

Also listed as: MES 25003 · MES-25003

Brand
Dwyer
Item
Digital pressure gauge 0-500Mbar Dwyer 477AV-3
Category
Measurement
UNSPSC
41112412 — Pressure gauge

Technical Specifications

Dwyer
service
air and compatible gases
accuracy
±0.5% FS
pressure range
0-500 mbar
units pressure
in w.c., ft w.c., in Hg, psi, oz/in2, mm w.c., cm w.c., mm Hg, mbar, Pa, kPa, hPa
storage capacity
40 readings
temperature operating
0 to 140°F (-17.8 to 60°C)
temperature compensated
32 to 104°F (0 to 40°C)
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Worldwide Shipping
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Datasheet on Request
Technical specs
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Dwyer 477AV-3 is a digital pressure gauge measuring air and compatible gases from 0–500 mbar with ±0.5% FS accuracy. Operating range spans 0 to 140°F, storing up to 40 readings. Ideal for HVAC, pneumatic systems, and industrial gas applications requiring portable pressure monitoring.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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