Wholesale Sharp Point Tester - Heat Transfer Index Test – Skyline

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Wholesale Sharp Point Tester - Heat Transfer Index Test – Skyline Detail:

Heat Transfer Index Test Apparatus Thermal protection properties of protective clothing fabrics Automatic Control by Software

Product introduction of the Heat Transfer Index Test Apparatus
A new term heat transfer index (HTI) has been introduced to avoid confusion with the thermal protective index (TPI) or other terms used in previous versions of this test. HTI calculated from the mean time in seconds to achieve a temperature rise of 24±0.2℃ when testing by this method using a copper disc and a starting temperature of 25±5℃. The heat transfer index provides a method of grading materials which does not imply that the material tested will give any precise protective time under actual use conditions.​
The convective heat resistance test device is developed according to EN367 and ISO9151 test standards, and meets the requirements of the convective heat resistance test standard of domestic AQ 6103-2007 welder protective gloves. The test results are thermal protection index (HTI). The principle of the test is to measure the test time required for the back temperature of the sample to rise 12 or 24 degrees by the impact of flame on the bottom of the sample. The average value of the three tests is recorded as thermal protection index (HTI), which is used to evaluate the thermal protection performance of the protective clothing fabric.

Product parameters of the Heat Transfer Index Test Apparatus

Standards AQ 6103、 ISO 9151:1995、CSN EN 367:1992
Application Safety Protection
size 600*100*600mm(W*H*D)
Weight 27KG
Electrical requirements 220V, 50HZ
Installation Fume hood placement
Time range 0-100s
Sample size 140 x 140 mm
Gas Source Requirements Propane and Air Compressor Gas
Calorimeter diameter Φ40
Testing environment 25 +5℃

Product feature of the Heat Transfer Index Test Apparatus
It can display flame temperature, measure temperature and time digitally.
The apparatus is designed and manufactured according to EN 367 and ISO9151 standards.
The apparatus consists of the burner, the cover sheet and the specimen holder with copper calorimeter.
The cover sheet and the specimen holder are controlled via pneumatic transmission which is automatically controlled by software.
A horizontally oriented test specimen subjected to an incident heat flux of 80KW/㎡from the flame of a Meker burner beneath it.
The heat passing through the specimen is measured by means of a small copper calorimeter on top of and contact with the specimen.
The time to record a temperature rise of 12 or 24℃ in the calorimeter is recorded in seconds.
The calorimeter cooling device shorten the test time.
The mean result for the three test specimens is calculated as the HTI.
The calibration of heat flow density of 80 kW/㎡is performed automatically by softwa
Instrument characteristics
product application of the Heat Transfer Index Test Apparatus
The convective heat resistance test device for protective materials is an instrument which is mainly used to measure the convective heat resistance of textiles, fire fighting supplies and other materials.


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 Heat Transfer Index Test – Skyline detail pictures

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 Heat Transfer Index Test – Skyline detail pictures


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