Dwyer 477AV-000 Digital Manometer Accurate Pressure Meter 0-1 Inch WC is designed to calculate and measure positive, negative, and differential pressures along with air velocity and volumetric air flow calculations. The Dwyer 477AV-000 features tough aluminum housing, 9 selectable units, an easy-to-read backlit display, datalogging up to 40 readings, and more.
- Dwyer 477AV-000 Digital Manometer Accurate Pressure Meter 0-1 Inch WC
- Measures positive, negative, and differential pressure
- Pressure, air velocity, and volumetric air flow calculations
- Programmable duct size parameter
- Tough aluminum housing to protect the instrument in harsh work environments
- 9 selectable units (English and metric)
- Backlit, easy-to-read display
- Datalogs up to 40 readings with MIN, MAX, and AVG
- Metal tips are field replaceable
- Adjustable zero and span values
- Damping feature to compensate for fluctuating readings
Specifications: | Dwyer 477AV-000 Digital Manometer Pressure Meter 0-1 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: | CE | ||||||||||||||
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. | Pa | ft w.c. | oz/in2 | hPa | cm w.c. | ||
0 to 1.000 in w.c. | 4004 | 20.34 | - | 0.0736 | 0.2491 | 1.000 | 1.868 | 2.491 | 25.40 | 249.1 | 0.0833 | 0.5780 | 2.491 | 2.540 | 5 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.
Applications: | Dwyer 477AV-000 Digital Manometer Pressure Meter 0-1 Inch WC |
HVAC technicians and contractors | |
Check natural gas input to furnaces, boilers, and other gas-fire units | |
Gas, static, and differential pressures | |
Test and calibrate pressure switches | |
Diagnose AC system issues Cleanroom pressure testing (Low range units capable of detection positive and negative room pressures) Airflow monitoring (Can be magnetically wall mounted to read an airflow station in an HVAC system Duct static pressure measurement Duct Traverses (Programmed to measure airflow and velocity) |
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