FOX 1000 Heat Flow Meter

The FOX 1000 Heat Flow Meter manufactured by TA Instruments is an easy-to-use, accurate instrument. It is specifically built to accommodate large samples and measure thermal conductivity in compliance with ASTM C518 and ISO 8301. For the testing of particularly long samples, like for instance the huge format vacuum insulation panels (VIP), the test chamber has back and front doors which allow the analysis of specimens 1050 mm wide and as long as they are produced.

Capable of functioning both in standalone or PC-controlled configurations, the FOX 1000 Heat Flow Meter delivers quick and accurate results. The instrument features proprietary thin film heat flux transducers, responsive temperature control and digital thickness measurements.

  • Solid state cooling/heating
  • Ideal for R&D and QC testing
  • Thickness measurement to 0.025 mm
  • Two thin-film heat flux transducers
  • WinTherm software for complete PC control and data handling
  • An optional auto sampler is available for unsupervised high-throughput operations


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Maximum Sample Thickness 100 mm (4")
Sample Size 1041 mm x 762 mm(*) (41" x 30")
(*) keeping the front and back oven doors
open the sample can be of any length
Temperature Range -10 °C to 65 °C
Temperature Resolution ±0.01 °C
Accuracy ±1%
Reproducibility ±0.05%
Thermal Conductivity Range 0.005 to 0.35 W/m K
(0.035 to 2.4 BTU in/hr ft2 °F)
With External Thermocouple Kit:
0.001 to 3.5 W/m K
(0.007 to 24 BTU in/hr ft2 °F)
Heat Flux Transducers Area 254 x 254 mm (10 sq. in.)


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