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475-3-FM | Handheld digital manometer | range 0-200.0" w.c. (49.82 kPa) | max. pressure 30 psig. | Dwyer
Handheld digital manometer, range 0-200.0" w.c. (49.82 kPa), max. pressure 30 psig.
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Overview
Details for 475-3-FM
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Handheld digital manometer | range 0-200.0" w.c. (49.82 kPa) | max. pressure 30 psig.
Series 475 Intrinsically Safe Handheld Digital Manometer
Ranges from 1" w.c. to 150 psid, ±0.5% Accuracy
The Series 475 Handheld Digital Manometer measures positive, negative, or differential pressures of air and natural gases in ranges from 1 in w.c. (0.249 kPa) to 150 psid (10.34 bar). The dual push pads on the front panel control the on/off, auto zero, and pressure unit selection, allowing for simple operation with no set up needed. When used with a Dwyer® Pitot tube, the Series 475 can also be used as an air velocity gage.
NIST CALIBRATION available in Product Configurator.
Product Applications
- Monitoring natural gas pressures on boilers and other combustion equipment
- Air velocity monitoring, when used with a Dwyer® Pitot tube and AV calculator
- Field calibration of other instruments
- Monitoring or troubleshooting HVAC systems
- Rugged aluminum case protects instrument from damage during transport/use
- Large, easy to read LCD and simple operation
- FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, GroupsA, B, C, D, T4 Ta = 70°C
Specifications
- Series
- 475 Intrinsically Safe Handheld Digital Manometer
- Category/Type
- Pressure
- Type
- Manometers
- Series
- 475 Intrinsically Safe Handheld Digital Manometer
- Service
- Air and compatible combustible gases.
- Wetted Materials
- Consult factory.
- Accuracy
- ±0.5% Full Scale; 60 to 78°F (15.6 to 25.6°C); ±1.5% Full Scale from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C).
- Pressure Hysteresis
- ±0.1% of Full Scale.
- Pressure Limits
- See catalog page.
- 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.
- Resolution
- See Ordering page.
- Power Requirements
- 9 V alkaline battery; installed non-functional; user replaceable.
- Weight
- 10.8 oz. (306 g).
- Process Connections
- Two barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) O.D. tubing for 475-7 & 475-8 only.
- Agency Approvals
- CE; FM.
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