HFM-305 / HFC-307​ Fast Response Flow Controll​​er for Medium Flow

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 Overview

Fast Response!

The  HFM-305/HFC-307 is Teledyne Hastings' fast response series of mass flow meters and controllers.  Featuring reliability and stability, the 300 Series is chosen for its  fast response under a wide range of conditions. .


The HFM-305 / HFC-307 meters and controllers have flow ranges from 0-1000 slm to flows of 0-2500 slm; provide analog outputs, are constructed of stainless steel and can be configured to have either normally open or 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-305 / HFC-307 services a wide variety of applications. Cleaning for oxygen service is available.

± 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

  • Gas Blending
  • Research
  • Pollution Monitoring
  • R&D and Process Flows

 Specifications

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HFM-305 Meter HFC-307 Controller
​Range 
(User Selectable)
0 - 1000 slm to 0 - 2500 slm (N2)0 - 1000 slm to 0 - 2500 slm (N2)
Accuracy + 1.0% of full scale+ 1.0% of full scale
​Repeatability + 0.07% of full scale+ 0.07% of full scale
Maximum Working Pressure 500 PSIG  ​500 PSIG
Analog I/O (Standard) ​0 - 5 VDC ​0 - 5 VDC
Analog I/O (Optional) 4​ - 20 mA I.O, 0 - 20 mA,
0 - 5 VDC / 4 - 20 mA I/O

4​ - 20 mA I.O, 0 - 20 mA, 
0 - 5 VDC / 4 - 20 mA I/O

​SealsViton®, Kalrez, Buna-N, NeopreneViton®, Kalrez, Buna-N, Neoprene
Fitting Options VCR®, VCO®, Swagelok®, Straight Thread, NPT
VCR®, VCO®, Swagelok®, Straight Thread
​Connector ​15-pin subminiature D15-pin subminiature D
Power Requirements
​​+15VDC @ 55 mA​​+15VDC @ 150 mA
Wetted Materials ​302 SS, 316 SS, Nickel 200​302 SS, 316 SS, Nickel 200, Viton®, Kalrez® (Valve Seat)

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