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Sierra Gas Mass Flow Meters

Supplier: Practical Control Solutions

PCS are Victorian agents for Sierra mass flow meters. Unlike volumetric devices Sierra mass flowmeters measure gas mass flow directly by thermodynamic means.

Price Guide: POA

The meter electronics heat up the velocity sensor to a constant temperature differential above the gas temperature and measures the cooling effect of the gas flow.

The power required to maintain the differential temperature constant is proportional to the gas mass flow

  • True mass flow automatically compensates for temperature and pressure variations without external sensors or computation
  • Excellent low speed sensitivity and repeatability
  • Fast response
  • Outstanding rangeability and wide turndown
  • No moving parts
  • Low pressure drop