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Dwyer 475-1-FM Digital Manometer

The Dwyer 475 series measures positive, negative, or differential pressures of air and natural gases.

  • Range: 0 - 20.00 Inches of Water
  • Maximum Pressure: 10 psig
  • Accuracy: +/- 0.5% FS, 60 to 78 F; +/- 1.5% FS from 32 to 60 F and 78 to 104 F
  • FM Approved
Price: $325.50

    Due to supply chain issues delivery may take longer than normal for some items. For urgent needs, please contact us to confirm.

    Part# 475-1-FM
    ServiceAir and compatible combustible gases
    Wetted MaterialsContact Customer Service at (888) 886-8186
    Accuracy+/- 0.5% FS, 60 to 78 F; +/- 1.5% FS from 32 to 60 F and 78 to 104 F
    Pressure Hysteresis+/- 0.1% FS
    Range0 - 20.00 Inches of Water
    Maximum Pressure10 psig
    Temperature Limits0 to 140 F
    Compensated Temperature Limits32 to 104 F
    Storage Temperature Limits-4 to 176 F
    Display4-Digit LCD, 0.42" High
    Power Requirements9V Alkaline Battery
    ConnectionsTwo barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) ID tubing. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) OD tubing for 475-7 & 475-8 only
    StandardsCE and FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70 C
    DigitalYes
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