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Instrument Features
- 1. High sensitivity transducers
- A revolutionary high output Thin Film Heat Flux Transducer is permanently
bonded to each plate. A type E thermocouple is bonded in the center of each
transducer and both are sealed to insure consistent precision over time.
Because each is within 0.1mm (0.005") of the sample's surface they provide
accurate readings of the sample's surface temperature and heat flux.
- 2. Advanced electronics
- A 24 bit analog to digital converter and a digital signal processor provide
0.6µV resolution yielding temperature control and resolution of 0.01°C.
- 3. Accurate thickness measurement
- A sophisticated digital plate position control system with readout in all four
corners of the specimen provide +/-0.025mm (0.001") accuracy in thickness
measurement.
- 4. Precise results
- Extensive testing at various locations including Oak Ridge National
Laboratories has shown that FOX Instruments have a repeatability of 0.2%, a
reproducibility of 0.5%, and when the high accuracy calibration mode is used an
absolute accuracy of better than 1%.
- 5. Speed
- Thanks to the powerful data acquisition system, the unique low thermal mass
design of the solid state cooling/heating plates and the sophisticated
multistage PID algorithm typical testing temperatures can be reached and
controlled to 0.01°C in a few minutes. The dual transducers and advanced
electronics provide results for 1" thick specimens accurate to within 1% of
final steady state results in less than 10 minutes.
- 6. Calibration
- The instrument can be provided with calibrations based on NIST 1450b Standard
Reference Material, IRMM-440 Certified Reference Material, special high accuracy
NIST Traceable standard (accurate to +/-0.5%) or the NPL traceable standard.
- 7. WinTherm Software
- Increased flexibility is made available through the software used under Windows.
Through a series of windows all the test parameters can be setup and changed at
any time during the test, with the ability to review data from previous and or
current tests in a variety of formats including graphs. It also provides
extensive automatic data storage on the hard disk and the ability to run up to 8
instruments simultaneously on one host computer.
- 8. Size and weight
- Our instruments are a fraction of the size and weight of prior thermal
conductivity instruments and their modular design simplifies their very rare
need for service.
- 9. Automatic Sample Feeder
- is available on FOX200s, FOX300s and FOX314s with the ability to automatically
load and test 21 1" samples. Each sample's results and data are stored on the
computer.
Also available for the FOX600 capable of loading up to 17 samples.
- 10. Prices
- The Instruments are extremly cost effective. For more information contact:
Kevin Collins, Sales and Marketing
Manager or one of our dealers.
- 11. Flexibility
- Temperatures of each plate can be set at between -20°C to 95°C without restriction
on temperature difference.
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