Sonic Nozzles

High Precision Sonic Nozzle Calibration system for Gas Flowmeters

The heart of the system is a bank of Sonic Nozzles (Critical Venturies).

Sonic Nozzles are internationally recognised as the best secondary transfer standard for gas flow measurement.

They feature:

  • No moving parts
  • Long term accuracy
  • Excellent repeatability
  • Flowrate is not affected by downstream flow disturbances.
Please contact our office with your specific requirements.