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Series 476A Single Pressure & Series 478A Digital Manometer
Brand: Dwyer Instruments, LLCThe Series 476A Single Pressure Differential Pressure Digital Manometer can be used to measure low pressures from -20 to 20 in w.c. with ±1.5% FS accuracy.
The Series 478A Single Pressure Differential Pressure Digital Manometer can be used to measure positive, negative, or differential pressures. Both units are constructed of an extruded aluminum case for exceptional durability.
Features- One button auto-zero function
- Auto power off function to conserve battery life
- Rugged extruded aluminum housing
- Instant selection of up to nine English/metric units
- ±0.5% FS accuracy
Specifications
Accuracy
- ± 1.5 % of Full Scale at 22.2° C (72° F)
Approvals & Certifications
- CE
Compensated Temperature
- 0° to 40° C (32° to 104° F)
Display
- 4-digit LCD (.425" H x .234" W Digits)
Hysteresis
- ± 0.1 % of Full Scale
Media
- Air
- Compatible Gases
NACE & NIST
- NIST - Traceable Calibration Certificate
Power Requirement
- 9 V Alkaline Battery
Pressure Range
- inH₂O: -60 to 60
Pressure Units
- bar
- inHg
- inH₂O
- kPa
- mbar
- mmHg
- mmH₂O
- Pa
- psi
Supply Pressure
- psig: 5 (kPa: 74, bar: 0.74)
Temperature Effect
- 0.05 % of Full Scale/°F
Temperature Range
- -17.8° to 60° C (0° to 140° F)
Tube Connection
- 1/4" Tube
- 3/16" Tube
- Verify field instrumentation performance
- Adjust fuel mixture on combustion systems
