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Series GFM2 Gas Mass Flow Meter

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SeriesGFM2

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Gas Mass Flow Meter
±1% FS, Programmable Relays

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±1% FS, Programmable Relays

The SERIES GFM2 Gas Mass Flow Meter is an ideal choice for the measurement of flow rates of a wide variety of gases. Unit can be calibrated for a variety of gases with user selectable 0 to 5 VDC or 4 to 20 mA and two relay outputs and programmable totalizer that indicates total gas quantity.

Product Applications

  • Gas flow measurement
  • Gas glow control
  • Operating pumps and valves
  • Process equipment
  • Vacuum processes
  • Glass and metal coating
  • Film deposition
  • Utilizes a straight tube sensor with a restrictor flow element to provide a high ±1% FS accuracy and ±0.25% FS repeatability
  • Gas flow can be displayed in 23 different engineering units on an optional 2x16 character LCD display with internal conversion factors for up to 32 gases
  • Digital RS-232 or RS-485 interfaces allow for easy communication and for multi-drop capability of up to 256 units (RS-485 only)
  • User-friendly interface allows for the programming of high and low gas flow alarms, along with two user-programmable electromechanical SPDT relays with latch options
  • Stores calibration information for up to 10 different gases, internal or user-specific K-factors
  • Automatic sensor zero offset adjustment (via digital interface or local push button)
  • NIST traceable certificate included
  • Self-diagnostic tests