Water Vapour Permeability Tester, to determine the resistance of textiles and textile composites (particularly action wear fabrics) to water vapour penetration. Water Vapour Permeability Tester complies with BS 3424/7209, etc.

Product Detail

Product introduction:

Water Vapour Permeability Tester, to determine the resistance of textiles and textile composites (particularly action wear fabrics) to water vapour penetration. Besides, this water vapor permeability testing instrument consists of 8 containers with water reservoirs, a standard permeable fabric cover, a sample holder ring, and a precision drive system. In the Constant temperature and humidity environment, the sample was covered in the discharge water sample dish, after a certain time the water vapor crossed from a fixed area of the sample, take the weight of the water vapor through, and calculated the vapor through rate and water vapor transmission index.
In addition, the water vapour permeability tester should work in a conditioning room or conditioning chamber. Wet-cup can be converted to do a different test.

Water Vapour Permeability Tester Working principle:

In the environment of constant temperature and humidity, cover the sample on the sample dish with water, after a certain period of time, the water vapor permeates from the fixed sample area. Pass rate and water vapor transmission index.

Features:

Different moisture-permeable cups are selectable

Foothold at the bottom for smooth operation

LCD display test time

Automatically stop function

Modified mechanical process, it’s more beautiful and durable

Accessories:

PVC electrical insulating tape: width 10~15mm

Maintenance:

Keep the machine clean and free from dust.

Unplug the machine when it is not to be used for a long period of time.

If the power switch does not turn on, replace the fuse next to the power plug.

Brush a little grease on the moving and rotating parts every 500 or 600 hours of operation.

Standard fabric:

High-strength polyester yarn weaving, pore size 18μm, yarn diameter 32μm, thread count: 196.1 threads/cm, elongation 12.5%

Burette:

Capacity greater than 50ml

Auxiliary tools:

Electronic balance (sold separately): The balance for weighing the filling must be accurate to 0.001g

Standards Compliant:

BS 7209, BS 3424

Technical parameter:

Sample:	3 pieces, diameter 96mm
Test dish internal dimensions:	diameter 83mm, depth 18.5mm
Test dish assembly Weight:	120g~150g/group (water)
Test dish filled with water:	46cm^3
Water and sample distance:	10±1mm
Dial:	Aluminum, the diameter of the center circle where the test dish is placed
P.C.D 305mm:	P.C.D 305mm
Rotary speed:	about 2r/min
Test time:	can be set
Temperature control range:	20℃-50℃±1℃
Humidity control range:	50%RH±2%RH-90%%RH±2RH
Test time:	1min-999h
Circulating airflow velocity:	0.3m/s, 0.4m/s, 0.5m/s
Moisture permeability area:	≥3000M㎡
Number of test cups:	8 (can be customized)
Power supply:	1∮, AC220V, 3A
Weight:	50kg

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