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Dwyer 475-4-FM, Digital Manometer, 10 psi

Dwyer  |   Item# DO-68062-74

$159.50 USD/EACH
$135.57 USD/EACH

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  • Measures positive, negative and differential pressures
  • ±0.5% full scale accuracy
  • Rugged, extruded aluminum case
  • Selectable english/metric units
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
Product Type Manometer
Media compatibility non-corrosive air and gases
Unit of Measurement psi and bar
Resolution 0.01 psi
Range 0 to 10 psi
Process connection dual 1/8" NPT(F)
Battery life 100 hours
Accuracy ±0.5% full-scale at 60 to 78°F; ±1.5% full-scale from 32 to 60°F and 78 to 104°F
Case aluminum
Power 9-V battery, included
Model 475-4-FM
Qty/ea 1
Brand Dwyer
CE Compliance Yes
Display 4-digit LCD, 0.42"H


at $51.75 $43.98 USD/EACH

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at $157.00 USD/EACH
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1 Question | 1 Answer
Displaying question 1
  • Q:

    what is the maximum vacuum, in inches of water column, this instrument can read?
    Asked on 5/5/2010 by Anonymous

    1 answer

    • Staff Reviewer


      This unit reads in psi or bar. 0-10 PSID (0-.689 bar). We do have units that read in "WC. For example, please see part number 68459-22.

      Answered on 5/7/2010 by Jen from Technical Support
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