GFM Thermal Mass Flowmeter

Specification

  • Gas Flow ranges: 0-1000 SL/min N² (or N² equivalent), 21 nominal range options
  • Accuracy: ± 1.5% of FSD (optional 1% calibration available)
  • Repeatability: ± 0.5% of FSD
  • Standard Conditions: 1013 mbarg and 21.1ºC
  • Pressure: 34.5 barg maximum (low pressure drop)
  • Temperature: 5 to 50ºC gas and ambient
  • Time Constant: 800 ms
  • Output Signals: Linear 0-5 VDC or 4-20 mA
  • Transducer Input Power: +12VDC, 24VDC optional
  • Digital Display: Optional, programmable 4 digit direct reading
  • Process Connections: ¼˝ to ⅜˝ depending upon range
  • Wetted parts materials: Options, Stainless Steel, Anodised Aluminium, Brass
  • Seals: Viton, Neoprene and Kalrez
  • Leak Integrity: 1x 10-7 smL/ sec of helium maximum to the outside environment

Options

  • Calibrations: All other gas calibrations available
  • Totaliser: Digital totaliser available. 7 Digit
  • Communications: Remote RS 232-485 conditioner available
  • Power Supplies: Proprietory power supplies available