Dwyer 477AV-1 Digital Manometer Precision Pressure Meter 0-20 Inch WC

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On Sale: ~~$478.57~~ $394.12

Retail Price:$478.57

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The Dwyer 477AV-1 Digital Manometer Precision Pressure Meter 0-20 Inch WC saves time and helps eliminate errors by using built-in flow and air velocity calculations that would normally be done by hand.

MFG Part No.: Spring-Summer

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Description
Features
Specifications
Applications
Resources

Dwyer 477AV-1 Digital Manometer Precision Pressure Meter 0-20 Inch WC calculates and measures differential, positive, and negative pressures in addition to volumetric airflow and air velocity calculations. The Dwyer 477AV-1 features a large backlit display, tough aluminum housing for rough work environments, 9 selectable engineering units, the ability to store up to 40 readings, and more.

Specifications:

Dwyer 477AV-1 Digital Manometer Pressure Meter 0-20 Inch WC

General Specifications:

Service:

Air and compatible gases

Wetted Materials:

Consult factory

Accuracy:

±0.5% FS, 60 to 78°F (15.6 to 25.6°C); ±1.5% FS from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40.0°C).

Pressure Hysteresis:

±0.1% FS

Temperature Limits:

0 to 140°F (-17.8 to 60°C).

Compensated Temperature Limits:

32 to 104°F (0 to 40°C)

Storage Temperature Limits:

-4 to 176°F (-20 to 80°C)

Display:

0.42? (10.6 mm) 4 digit LCD.

Units of Pressure:

in w.c., ft w.c., in Hg, psi, oz/in2, mm w.c., cm w.c., mm Hg, mbar, Pa, kPa, hPa

Units of Velocity:

fpm, fps, mph, m/h, m/s, k/h, knot

Units of Flow:

cfm, m3/h, m3/s

Power Requirements:

9 V alkaline battery, installed non-functional, user replaceable

Weight:

10.2 oz (289 g)

Process Connections:

Two barbed connections for use with 1/8? (3.18 mm) or 3/16? (4.76 mm) ID tubing. Two compression fittings for use with 1/8? (3.18 mm) ID x 1/4? (6.35 mm) OD tubing for 477AV-7 and 477AV-8 only

Agency Approvals:

Model Specific Specifications:

Pressure Range

Velocity Range

Available Pressure Units

Maximum Pressure

fpm

m/s

psi

in Hg

kPA

in w.c.

mm Hg

mbar

mm w.c.

ft w.c.

oz/in²

hPa

cm w.c.

0 to 20.000 in w.c.

1.791k

90.97

0.7225

1.471

4.982

20.00

37.36

49.82

508.0

4982

1.667

11.56

49.82

50.80

10 psig

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Characteristics:	Dwyer 477AV-1 Digital Manometer Precision Pressure Meter 0-20 Inch WC
	Positive, negative, and differential pressure measurements
	Pressure, volumetric air flow, and air velocity air flow calculations
	Duct size parameter
	Durable aluminum housing protects the instrument in harsh environments
	Choose between 9 selectable English or metric engineering units
	Clear, backlit display
	Stores up to 40 readings with MIN, MAX, and AVG statistics
	Field replaceable metal tips
	Zero is adjustable
	Accurate on fluctuating readings with damping feature

Applications:	Dwyer 477AV-1 Digital Manometer Precision Pressure Meter 0-20 Inch WC
	HVAC technicians and contractors
	Check natrual gas input to furnaces, boilers, and other gas-fire units
	Gas, static, and differential pressures
	Test and calibrate pressure switches
	Diagnose AC system issues

Dwyer 477AV-1 Digital Manometer Precision Pressure Meter 0-20 Inch WC

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