Dwyer 477AV-00 Digital Manometer Accurate Pressure Meter 0-4 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-00 features tough aluminum housing, 9 selectable units, an easy-to-read backlit display, datalogging up to 40 readings, and more.
- Dwyer 477AV-00 Digital Manometer Precision Pressure Meter 0-4 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
Specifications: | Dwyer 477AV-00 Digital Manometer Accurate Pressure Meter 0-4 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 4.000 in w.c. | 8009 | 40.69 | 0.1445 | 0.2942 | 0.996 | 4.000 | 7.473 | 9.96 | 101.6 | 996 | 0.3333 | 2.312 | 9.964 | 10.16 | 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-00 Digital Manometer Pressure Meter 0-4 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 Duct Traverses (Programmed to measure airflow and velocity) Airflow monitoring (Can be magnetically wall mounted to read an airflow station in an HVAC system) Duct static pressure measurement Cleanroom pressure testing (Low range units capable of detection positive and negative room pressures) |
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