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QuadraTherm 780i Flow Meter

The QuadraTherm® 780i is the most accurate inline thermal mass flow meter for air/gas flow rate measurement on the market today, achieving gas mass flow rate accuracy never before possible, +/- 0.5% of reading above 50% of full scale. The QuadraTherm rivals accuracies of Coriolis technology for measuring gas mass flow rate with a breakthrough thermal dispersion technology achieving “percent of reading” accuracy

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Product Benefits

  • Patented breakthrough QuadraTherm “Quad” 4-Sensor thermal sensor technology
  • Patented zero drift DrySense™ velocity sensor
  • Lifetime warranty on sensor
  • “Percent of reading” accuracy, which for the first time rivals accuracies of Coriolis technology
  • Sierra’s state-of-the-art ISO 9000 closed-loop calibration facility matches each application for best accuracy
  • Greenhouse Gas (GHG) certified to meet EPA (40 CFR Part 98)
  • Ideal for high accuracy applications like custody transfer, wastewater treatment, hazardous areas, facilities management and general process control applications
  • Built-in flow conditioning elements drastically reduce upstream straight-run requirements
  • Features our proprietary Raptor OS operating system (formerly known as qTherm)
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