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Dwyer Air Meter, 0.005-1.0"WC Range, 260-4000 FPM with Probes and Carrying Case


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  • Measure both pressure and air velocity
  • Read the red figures directly in feet per minute of velocity - from 400 to 10,000 fpm No conversion tables needed for air at standard conditions.
  • Read the black figures in inches of water column air pressure - from 0 to 10" w.c.
  • The No. 400 is used to balance air conditioning systems, measure pressure drop across filters, and test fan and blower discharge and inlet pressures, as well as air velocity in ducts.
  • It offers the convenience of a dual purpose instrument - plus high accuracy on easy-to-read scales.
  • The Series 400 includes "leveling" adjustment and glass bubble level, which makes it a versatile, all around manometer for the air conditioning and balancing contractor or industrial plant.
  • Kit includes:
  • No. 400 Air Meter and all accessories.