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Series 475 Intrinsically Safe Handheld Digital Manometer
Brand: Dwyer Instruments, LLCThe 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 gauge.
Features- Rugged Aluminum Case Protects Instrument from Damage During Transport/use
- Large, Easy to Read LCD and Simple Operation
- FM Aproved to be Intrinsically Safe in Hazardous Locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70°C
1 - 12 of 44 Part Numbers
475-0-FM-AV
- Model - 475-0-FM
- Options - Air Velocity Kit
- Certificates - None
475-0-FM-AV-NIST
- Model - 475-0-FM
- Options - Air Velocity Kit
- Certificates - NIST Traceable Calibration Certificate
475-0-FM-NIST
- Model - 475-0-FM
- Options - No Kit
- Certificates - NIST Traceable Calibration Certificate
475-00-FM-AV
- Model - 475-00-FM
- Options - Air Velocity Kit
- Certificates - None
475-00-FM-AV-NIST
- Model - 475-00-FM
- Options - Air Velocity Kit
- Certificates - NIST Traceable Calibration Certificate
475-00-FM-NIST
- Model - 475-00-FM
- Options - No Kit
- Certificates - NIST Traceable Calibration Certificate
475-000-FM-AV
- Model - 475-000-FM
- Options - Air Velocity Kit
- Certificates - None
475-000-FM-AV-NIST
- Model - 475-000-FM
- Options - Air Velocity Kit
- Certificates - NIST Traceable Calibration Certificate
475-000-FM-NIST
- Model - 475-000-FM
- Options - No Kit
- Certificates - NIST Traceable Calibration Certificate
1 - 12 of 44 Part Numbers
Specifications
Brand
Accuracy
- ± 0.5 % of Full Scale
Approvals & Certifications
- CE
- FM
Compensated Temperature
- 0° to 40° C (32° to 104° F)
Display
- 4-digit LCD - 0.42" (10.6 mm)
Environmental Protection
- Class 1, Div. 2 Groups A, B, C, D
Hysteresis
- ± 0.1 % of Full Scale
Media
- Air
- Compatible Combustible Gases
NACE & NIST
- NIST - Traceable Calibration Certificate
Power Requirement
- 9 V Alkaline Battery
Process Connection Style
- Compression Fitting
Storage Temperature
- -20° to 80° C (-4° to 176° F)
Supply Pressure - Maximum
- psig: 200 (kPa: 1,379, bar: 13.79)
Temperature Range
- -17.8° to 60° C (0° to 140° F)
Tube Connection
- 1/8" Two Barbed Connections
- 3/16" Tube
- 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