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Series 476A Single Pressure & Series 478A Digital Manometer

Brand: Dwyer Instruments, LLC
Does not ship to United States
The 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
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The 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

  • Inches WC: -60 to 60

Pressure Units

  • bar
  • Inches Hg
  • Inches WC
  • kPa
  • mbar
  • Millimeters Hg
  • Millimeters WC
  • 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

Applications

  • Verify field instrumentation performance
  • Adjust fuel mixture on combustion systems