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Aalborg InstrumentsOrangeburg, NY
 
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Phone: 800-866-3837
Fax: 845-770-3010
 
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 Model GFC thermal Mass Flow Controllers are designed to indicate and control set flowrates of gases.
 
Design Features
  • Rigid metallic construction.
  • Maximum pressure of 1000 psig (70 bars).
  • Leak integrity 1 x 10-7 of helium.
  • NIST traceable certification.
  • Built-in tiltable LCD readout.
  • 0-5 Vdc and 4-20 mA signals.
  • Circuit protection.
  • Can be used as a portable device.
  • Engineering units or 0 to 100% displays.
  • Totalizer option.

The GFC combines the characteristics and accuracy of conventional mass flow devices into a unique compact design at low costs previously unattainable.
Additional Info: http://www.aalborg.com/index.php/main_page/product_overview/id_product_overview/21
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Mass flow meters and controllers are designed to indicate flow rates and control set flow rates of gases.
 
Design Features
  • Rigid metallic construction.
  • Maximum pressure of 1000 psig (70 bars).
  • 0-5 Vdc or 4-20mA signals.
  • Leak integrity 1 x 10-9 smL/sec of helium.
  • Accuracy of ±1% F.S.
  • Totalizer option.
  • Circuit protection.

Each of these units incorporates an advanced straight tube sensor in conjunction with flow passage elements constructed of stainless steel.
Additional Info: http://www.aalborg.com/index.php/main_page/product_overview/id_product_overview/26
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 Programmable Mass Flow Controller with Digital Signal Processing
Microprocessor driven digital flow controllers allow one to program, record, and analyze flow rates of various gases with a computer via an RS-485 interface.  Optional RS-232 is available.
 
Design Features
  • Digital and Analog modes operate simultaneously.
  • Programmable Flow Configurations.
  • Multi-Drop Capability of up to 256 units.
  • Stores calibration data for up to 10 gases.
  • Totalizer indicates total gas quantity.
  • Alarm limits for high and low gas flow.
  • Conversion factors for up to 256 gases.
  • Auto Tune function for optimum control response.
  • Self-Diagnostic Tests.
Additional Info: http://www.aalborg.com/index.php/main_page/product_overview/id_product_overview/24
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