TSI 9545 Velocicalc Air Velocity Meter


Measures velocity, temperature, and relative humidity. Calculates flow, wet bulb and dew point temperature.


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  • Simple to operate
  • Accurate air velocity measurement
  • Calculates volumetric flow, and actual/standard velocity
  • Displays humidity as % relative humidity, wet bulb or dew point temperature
  • Displays up to three measurements simultaneously
  • Data log 12,700+ samples and 100 test IDs
  • Articulated probe version available (9545-A)


  • HVAC system performance
  • Commissioning
  • Plant maintenance
  • Critical environment certification
  • Duct traverses