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Water Vapour Permeability Testing Apparatus

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Standards:

JIS L1099、ASTM E96/E96M、GB/T 12704

Applications:

This environmental tester is designed for testing the moisture permeability of waterproof materials with property of waterproof, moisture permeability and air permeability, such as sport suit especially skiing and climbing sportswear. This equipment also can be used for moisture proof packaging materials.

Product Information:

The permeability content of the wear clothes is identified by the water vapour capacity transmitted from inside to outside of clothes caused by the temperature and pressure differences between the outside air when people sweat.

Put the sample in the moisture cup in certain time at tank in a humiture steady state. Figure out the vapour capacity by the difference weight of hygroscopic material (anhydrous calcium chloride CaCl2).

Inside of the tester, there are two sections of rotary sample holder. In order to blow the sample parallelly, two variable speed fans are installed corresponding the two sample holder.
 

Parameters:

Temperature range: 20~60 ℃.

Humidity range: 40~95% (no load).

Temperature accuracy: ±0.5 ℃ (no load).

Humidity accuracy: ±3% (no load).

Freezer: air-cooled airtight compress.

Cooler: finned type.

Humidifier: Pot-type (with vacuum firing guard).

Heater: finned radiator (with over guard ).

Fan: 2 sets (up and down).

Wind speed range: 0.5~1.5 m/s.

Rotary stand: 2 sections (270mmφ).

Indoor dimension: W400×D360×H500mm approx.

Power source: AC 220V 50Hz

Outside size: W1100×D550×H1470mm approx.

 

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