Dwyer 475-000-FM Digital Manometer, 1" WC

Representative image only.
Dwyer Mfr # 475-000-FM – Item # EW-68062-66
Measures positive, negative and differential pressures
  • ±0.5% full scale accuracy
  • Rugged, extruded aluminum case
  • Selectable english/metric units


$398.30USD / Each

$137.00USD / Each

Time to recalibrate? Click on the calibration service to view details, then order.


Specifications & Description

  • Accuracy±0.5% full-scale (60 to 78°F); ±1.5% full-scale below 60°F and above 78°F
  • Min Pressure (in WC)0
  • Max Pressure (in WC)1
  • Min Temperature (° F)32
  • Max Temperature (° F)104
  • Min Temperature (° C)0
  • Max Temperature (° C)40
  • CaseAluminum
  • Process Connection1/8" NPT(F)
  • Unit Of Measurement" WC and kPa
  • Display4-digit LCD, 0.42"H
  • Battery Type9 V (included)
  • Battery Life100 hours
  • Media CompatibilityNoncorrosive gases
  • Resolution0.001" WC
  • Depth (in)1 3/4
  • Height (in)7
  • Width (in)2 1/2
  • Depth (cm)4.4
  • Height (cm)17.8
  • Width (cm)6.4
  • DescriptionDigital Manometer, 1" WC

Key Features

  • ±0.5% full scale accuracy
  • Rugged, extruded aluminum case
  • Selectable english/metric units

More About this Item

The Dwyer® Series 475 Mark III handheld digital manometer is ideal for field calibration, monitoring or trouble shooting HVAC systems, clean rooms or a wide range of other low pressure pneumatic systems. This handy instrument measures positive, negative or differential pressures of air and natural gases in ranges from 1" WC to 150 psi. The manometer is approved and is intrinsically safe for hazardous locations, Class 1, Div.1, Group A, B,C, D, T4. Its simple operation and easy to read digital display make it an indispensable test instrument for the plant engineer, industrial hygienist and HVAC technician. The manometer is housed in a durable extruded aluminum case with its solid state circuitry mounted on a tough fiberglass epoxy circuit board. To meet the most demanding applicat





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