FOX 801 Heat Flow Meter

The FOX 801 Heat Flow Meter from TA Instruments is an accurate, easy-to-use instrument for measuring thermal conductivity in compliance with ISO 8301 and ASTM C518.

The FOX 801 Heat Flow Meter can operate both in standalone or PC-controlled configurations, and provides accurate and rapid results. The instrument features digital thickness measurements, proprietary thin film heat flux transducers and responsive temperature control. It is a versatile instrument that is particularly compatible for measuring slices of cellular plastics.

  • Thickness measurement to 0.025 mm
  • Solid state cooling/heating
  • Two thin-film heat flux transducers
  • WinTherm software for complete PC control and data handling
  • Suitable for R&D and QC testing
  • Optional autosampler for unsupervised high-throughput operations


Statistics Sheet for FOX 801

FOX 800 models with different configurations comply with ASTM 1784, ASTM C518, ISO 8301, JIS A 1412 and EN 12664 Standards.

Maximum Sample Thickness 304 mm (12”)
Sample Size 762 x 762 mm (30 sq. in.)
Temperature Range -10 °C to 65 °C
Temperature Control Accuracy ±0.01 °C
Absolute Thermal Conductivity Accuracy ±1%
Thermal Conductivity Range 0.001 to 0.35 W/m K
(0.007 to 2.4 BTU in/hr ft2 °F)
With External Thermocouple Kit:
0.001 to 2.5 W/m K
(0.007 to 17.3 BTU in/hr ft2 °F)
Heat Flux Transducers Area 254 x 254 mm (10 sq. in.)

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