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Sensor IF2-HF

The Model IF2-HF is built to exclusively interface with our Model IPE, IPE2, and to perform Blockage Tests.

Product Usage

  • High Flow measurements 25 to 10,000 LPM
  • Precision Transfer Standard to calibrate other flow meters
  • Constriction/Blockage testing
  • Measurement of gas mixtures, hydrogen and natural gas options
  • Pressure range from barometric to 100 psig
  • Flow Range: 0-50; 0-100; 0-300;0-500;0-1000;0-5000;0-10,000 LPM (L/min).
  • Sensor Type: Laminar Flow Type, multiple designs.

Response Time:

Step function from no flow to full range: 50 ms or less (open outlet, dependent on sensor range).

Pressure Range:

  • From Barometric pressure to 15; 30; 100 (psi-absolute)
  • Type: Absolute, micro-machined sensor
  • Maximum over pressure: 1.2 times full range/scale
  • Burst Pressure: 1,000 psia
  • Max Differential Pressure: 100 psid (differential pressure) or maximum range of pressure sensor, whichever is smaller.

Temperature Range:

  • Operating and calibrated range: 10 to 45°C (other ranges available, consult ATC)
  • Storage: -25 to 50°C
  • Sensor type: RTD 100 Ohms

Resolution: 16 bits A/D and 16 bits D/A.


  • Intelligent Gas Flow Sensor (IGFS)
  • Measures volume flow, pressure and temperature
  • Optional compensation for various gas properties, temperature and viscosity
  • Dual range calibration, automatic range switching
  • Automatic pressure set and control option (constriction/blockage test)
  • Stainless steel rugged construction
  • No moving parts
  • Not overflow sensitive
  • Max. pressure differential: Up to 100 psid

Measurement Uncertainty

  • Flow: ±1% (0.5% optional) of reading, volumetric flow, calibrated range.
  • Pressure: 0.2% of Full Scale (FS)
  • Temperature uncertainty at calibrated range: 0.5°C

Connections, Inputs & Power

  • Serial port
  • Digital I/O: Start/stop, pass/fail and more…
  • Programmable Analog Output (0-5 VDC)
  • Power: 115 VAC or 220 VAC (power supply and connector included)
  • Optional: 2-line character display

Gases Used:

  • Dry non-condensing clean Air or Nitrogen
  • Other gases (Hydrogen, Natural Gas, Carbon Dioxide, Moisturized Air) are available. Please consult ATC.

All products ship fully calibrated. No daily calibration required.