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HFM 301 / HFC 303

25 slm to 1,000 slm

1.87 kg/hr to 75 kg/hr

The HFM-301 / HFC-303 meters and controllers have flow ranges from 0-25 slm to flows of 0-1000 slm; provide analog outputs, are constructed of stainless steel and have normally closed valves. The full scale range  is  specified by the end user.  A NIST traceable calibration certificate is standard. With a choice of elastomers and high pressure options, the HFM-301 / HFC-303 services a wide variety of applications. Cleaning for oxygen service is available.

​Full metal body, fast response speed, low flow loss

±1% of full scale Accuracy

Buy from the designers, Teledyne Hastings, and experience extraordinary customer service. Let us solve your application challenges, by designing and building your custom flow instruments.

Applications and Industries

  • Leak Testing

  • Flame Spray

  • Gas Blending

  • Semiconductor Process

  • Thin Film Deposition

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