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The ST50 is an low cost, general purpose thermal mass flow meter for ideally suited to measuring Compressed air. An insertion device for pipe sizes > 1 1/2″

The ST50 is easy to install, fully programmable, and can be inserted and removed “live” with a standard full bore ball valve.

It features an optional LCD display of flow rate and communicates via two 4-20mA signals and a pulsed output.


  • Low cost
  • 316 st/st wetted parts
  • pipe sizes from 2″ to 24″ diameter
  • analogue and pulsed outputs

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