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TSI 8455, 8465 and 8475

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The TSI 8455, 8465, and 8475 models are transducers which are ideal for both temporary and permanent installations for air velocity measurements in research and development laboratories, manufacturing processes, and other applications. The full scale range, signal output, and time constant are user selectable and can be easily changed to meet the needs of your application.

The three model types are the 8455 a general purpose unit with protected tip, the 8465 with a needle type tip and the 8475 a ball / omnidirectional type probe tip.  All models have field selectable ranges and are available in four different probe lengths 7.5 cm, 15 cm, 22.5 cm, and 30 cm.


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General Purpose (8455)

  • Protected probe tip
  • Rugged ceramic sensor
  • Wide range of measurement applications
  • Fast response time

Windowless / needle type (8465)

  • Less flow blockage
  • Ideal for measuring in confined spaces
  • Fast response time

Omnidirectional (8475)

  • Omnidirectional probe tip
  • Accurate at low velocities from (0.05 to 0.5 m/s) Ideal for unknown or varying flow direction


For full technical details on the various models please refer to the product data sheet.



TSI 8455, 8465 and 8475 air velocity transducer data sheet

  • Technical Document
  • PDF file
  • 1 MB

TSI 8455, 8465 and 8475 air velocity transducer user manual

  • Technical Document
  • PDF file
  • 1 MB
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