Starting at $448.64CAD
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In Stock *
Dwyer

477AV Handheld Digital Manometer

In Stock *

Available with pressure, flow, and velocity measurements

Starting at
$448.64CAD
Some configurations are in stock for immediate delivery!
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Used in
Also found in
477 AV Handheld Digital Manometer 02383
477 AV 2
477 AV 3

The Series 477AV Handheld Digital Manometer is available with pressure, flow, and velocity measurements along with a number of other convenient features. The built-in air velocity and flow calculations provide accuracy and conserve time and error associated with manual calculations. Also featured on this unit are adjustable zero and span values for calibrating in the field, as well as a damping feature to compensate for the fluctuating of readings.

• Calculates and displays air velocity and volumetric air flow
• Rugged aluminum case protects instrument from damage during transport/use
• Nine (9) selectable English and metric engineering units
• Large, easy to read display with backlight for use in dark areas
• Stores up to 40 readings with minimum, maximum and average statistics
• Convenient all-in-one air velocity kit option available
 
ServiceAir and compatible gases
Wetted MaterialsConsult factory
Accuracy± 0.5% FS, 60°F - 78°F (15.6°C - 25.6°C);
± 1.5% FS from 32°F - 60°F and 78°F - 104°F (0°C - 15.6°C and 25.6°C - 40.0°C)
Pressure Hysteresis± 0.1% of full scale
Pressure LimitsSee chart on catalog page
Temperature Limits0°F - 140°F (-17.8°C - 60°C)
Compensated Temperature Limits32°F - 104°F (0°C - 40°C)
Storage Temperature Limits-4°F - 176°F (-20°C - 80°C)
Display0.42 in (10.6 mm) 4 digit LCD
ResolutionSee chart on catalog page
Units of Pressurein W.C., ft. W.C., in Hg, PSI, oz/in2, mm W.C., cm W.C., mm Hg, mbar, Pa, kPa, hPa
Units of Velocityfpm, fps, mph, m/h, m/s, k/h, knot
Units of Flowcfm, m3/h, m3/s
Power Requirements9 V alkaline battery, installed non-functional, user replaceable
Weight10.2 oz (289 g)
Process ConnectionsTwo (2) barbed connections for use with 1/8 in (3.18 mm) or 3/16 in (4.76 mm) ID tubing.
Two (2) compression fittings for use with 1/8 in (3.18 mm) ID x 1/4 in (6.35 mm) OD tubing for 477AV-7 and 477AV-8 only
Agency ApprovalsCE
• Air flow monitoring, when used with a Dwyer® pitot tube
• Duct static pressure
• Commercial air balancing
• Building-zone pressure

  • Thumbnail of document Data Sheet - 477AV Handheld Digital Manometer
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    Data Sheet - 477AV Handheld Digital Manometer

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  • Thumbnail of document Brochure - 477AV Handheld Digital Manometer
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    Brochure - 477AV Handheld Digital Manometer

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  • Thumbnail of document Manual - 477AV Handheld Digital Manometer
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    Manual - 477AV Handheld Digital Manometer

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