Quadratherm

THERMAL MASS / QUADRATHERM

Models

  • 640i Insertion Probe
  • 780i Inline

Descriptions

  • Highest accuracy thermal meter in the world
  • Multivariable outputs: Mass flow rate, temperature, pressure
  • Patented “QuadraTherm” 4-Sensor thermal technology
  • Patented no-drift DrySenseTM sensor, lifetime warranty
  • Inline version has built-in flow conditioning
  • No moving parts, low pressure drop, high 100:1 turndown
  • Free user software
  • Change gas in the field
  • Change pipe size in field (insertion version)
  • Validate in field for in-situ calibration
  • Certified for GHG measurement meeting EPA (40 CFR Part 98)
  • Hazardous-area location approvals

Fluids Measured

  • Measure all inert gases and all non- condensing clean gases
  • Flammable gases
Flow Range (100:1 Turndown)

  • Very low flows and high flows up to 60,000 scfm (305 smps)

Acccuracy

780i inline

  • +/- 0.5% of reading above 50% of full scale

640i insertion

  • +/- 0.75% of reading above 50% of full scale

*Verified by an independent NIST & NVLAP accredited lab

Repeatability

  • +/- 0.15% of full scale

Digital Communications

  • Foundation Fieldbus, HART, Modbus RTU, and Profibus DP

Hazardous Area Approvals

  • cFMus, ATEX, IECEx, PED, GOST R, Chinese Pattern, CE
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