Digital 300 Series Mass Flow Meters and Mass Flow Controllers (High Flow)

Teledyne Hastings Instruments products represent over 70 years of experience in the design and manufacture of gas flow instrumentation. The high flow meters and controllers featured in this document are based on the 300 Series line of flow sensors. The 300 Series transducer is a patented thermal-based flow sensor. This sensor is designed to provide an exceptionally linear response to changing flow rates. In addition, the electronics associated with the sensor are precisely tuned to give fast response time.

Technical Brochure



  • Available Flow Ranges: 0-2500 slm to 0-10,000 slm (N2)
  • Accuracy in Nitrogen: HFC-D-308 ±(0.5% Rdg + 0.2% FS)
  • Operating Pressure to 300 PSI
  • NIST Traceable Calibration
  • RS232/RS485 (Digitals Only)
  • Totalized Flow (Digitals Only)


  • Alternate Energy
  • Fuel Cell R&D
  • Secondary Calibration Reference
  • Specialty Gas Delivery
  • Custody Transfer


  • Enhanced Accuracy
  • Superior Linearity
  • Rapid Settling Time
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