Handheld Digital Manometer DWYER Series 475

The SERIES 475 Handheld Digital Manometer measures positive, negative, or differential pressures of air and natural gases in ranges from 1 in w.c. (0.249 kPa) to 150 psid (10.34 bar). The dual push pads on the front panel control the on/off, auto zero, and pressure unit selection, allowing for simple operation with no set up needed. When used with a Dwyer® Pitot tube (u).


Standard Feature:

  • Rugged aluminum case protects instrument from damage during transport/use
  • Large, easy to read LCD and simple operation
  • FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70°C APPLICATIONS
  • Monitoring natural gas pressures on boilers and other combustion equipment
  • Air velocity monitoring, when used with a Dwyer® Pitot tube (u) and AV calculator
  • Field calibration of other instruments
  • Monitoring or troubleshooting HVAC systems

Additional information

Accuracy Class

0.5%, 1.5%

Pressure Range

Process Connection Size

1/8"NPTM/BSPM, 3/16"


Handheld Digital Manometer DWYER Series 475


You may also like…