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 Overview

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.

±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

 Specifications

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HFM-301 Meter HFC-303 Controller
​Range 
(User Selectable)
(L): 0 - 25 slm to 0 - 500 slm (N2)
(H): 0 - 500 slm to 0 - 1000 slm (N2)
(L): 0 - 25 slm to 0 - 500 slm (N2)
(H): 0 - 500 slm to 0 - 1000 slm (N2)
Accuracy + 1% of full scale
+ 1% of full scale
​Repeatability + 0.7% of full scale+ 0.7% of full scale
Maximum Working Pressure 500 PSIG (Optional 1500 PSIG) 500 PSIG ​(Optional 1000 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
​Seals​Viton®, Kalrez, Buna-N, Neoprene​Viton®, Kalrez, Buna-N, Neoprene
Fittings Option Surface Mount, VCR®, VCO®, Swagelok®, Straight Thread, NPTVCR®, VCO®, Swagelok®, Straight Thread, NPT
​Connector
​15-pin subminiature D​15-pin subminiature D
Power Requirements
+ 15 VDC @ 55 mA+ 15 VDC @ 150 mA
Wetted Materials ​316L SS, Nickel 200, 302 SS316L SS, Nickel 200, 302 SS, Kalrez® (Valve Seat), Teflon

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