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Auto Water Vapour Permeability Tester TF165B

5.0 (5 reviews)

The Water Vapour Permeability Tester is also called the Water Vapor Transmission Rate Tester (WVTR Tester). It measures the water vapor permeability of textiles and garments. It also measures it for coated fabrics, composites, sportswear, and industrial fabrics. This moisture vapor transmission rate tester complies with ASTM E96, GB/T 12704, JIS L1099, etc.

This machine tests vapor permeability. It can also test the Moisture Vapor Transmission Rate of medical protective clothing. We are a professional supplier of Auto Water Vapour Permeability Testers. Please feel free to contact us for a competitive price.



Features of Auto Water Vapour Permeability Tester TF165B

The test results are more reliable. The test uses high-precision temperature and humidity sensors. It also uses a rotating sample holder with adjustable speed. This ensures that water vapor evenly affects each sample during the WVTR test.

It reduces cost and improves efficiency. It uses a double-layer rack with 9 test cups per layer. This setup boosts water vapor permeability test samples by a large margin.

The holder of this WVTR Tester is designed with two small doors for sample putting. This avoids impacting the test environment after opening the door. The tester also has automatic water filling for long-term testing.

It is easy to operate. It has chip control and color touchscreen operation. It also has a modular design and intelligent control. It displays test time in real-time. All of these features contribute to a perfect performance water vapor permeability tester.

Application of Auto Water Vapor Permeability Tester TF165B

Waterproof and Moisture-permeable fabrics are more and more popular. It keeps the sweat from building up and condensing between the body and the fabric. It keeps the garment comfortable. It is a high-tech and unique functional fabric. Waterproofing is easy for normal fabric. The key is to improve water vapor permeability. Testing for Moisture Vapor Transmission Rate is becoming more important in textiles.

The TF165B is an Auto Water Vapour Permeability Tester. It measures the water vapor permeability of fabrics. It works on many fabrics. These include coated ones that let moisture through—also, wadding tires, space cotton, and other nonwoven garment fabrics.

The fabrics are waterproof and let water vapor through. They are used to make military and protective clothing. Now, they are widely used to make sportswear, travel bags, tents, etc. Waterproof, vapor-permeable fabrics can also be used as trauma dressings. They are like cotton gauze. They keep wounds dry. They are also used as surgeons and dustproof work clothes in the clean studio.

Specifications of Auto Water Vapour Permeability Tester TF165B

  • Airflow speed:  0.1 ~ 0.8 m/s
  • Temperature:   18 ~ 50°C ± 0.5°C
  • Humidity:         40% ~ 95%
  • Power:             220 V   50/60 Hz  4500 W
  • Weight:            320 Kg
  • Dimensions:    880 x 700 x 1760 mm (L x W x H)

Standards of Auto Water Vapour Permeability Tester TF165B

  • ASTM E96: Standard Test Methods for Water Vapor Transmission of Materials
  • GB/T 12704: Textiles-Test method for water-vapor transmission of fabrics-Part 1: Desiccant method
  • JIS L1099

Test Principle of Water Vapor Transmission Rate Testing.

In a constant temperature and humidity test room, we place the permeable cup. We put the specimen in the cup and seal it with a rubber gasket. We then place the permeable cup with water and fabric in the sealed room. The room has the specified temperature and humidity. We calculate the permeable amount by measuring the change in the cup’s quality. The cup includes the specimen and moisture absorbent or water. This change occurs within a certain period.

Why Choose TESTEX Auto Water Vapour Permeability Tester TF165B

Strictly meet standards

All data for the TF165B WVTR test machine meet the standard parameters.

Consistency with international third-party laboratories

The test data are comparable to the water vapor permeability test results obtained by well-known international third-party laboratories.

High repeatability

The same set of samples, and the same machine, after multiple tests, the results of water vapor transmission rate testing will remain consistent.

High reproducibility

The same set of samples, and different machines of the same model, after multiple WVTR tests, the results will remain consistent.

Longer service life

TESTEX makes prototypes and then subjects them to rigorous reliability testing in complicated environments to ensure the expected service life.

User-friendly transparent warranty policy

Textile testing machines, 14 months free warranty (12 months normal warranty time + 2 months shipping time). Besides, all spare parts, have 3 months free warranty.

We provide full life-cycle support for Auto Water Vapour Permeability Tester TF165B. So feel free to contact our service team with any questions.

Welcome to TESTEX – a professional textile testing instrument supplier – Auto Water Vapour Permeability Tester TF165B is on sale, contact us for a detailed price quote.

5 reviews for Auto Water Vapour Permeability Tester TF165B

  1. Esther Adams

    Works great, and comes with lots of accessories.

  2. Jerry Brewster

    I recommend the best water vapor permeability tester suppiler to you all.

  3. Charles Mansfield

    Excellent water vapour permeability tester! I will come back soon.

  4. Arthur Acheson

    The manufacturer of this water vapor permeability tester is so kind. 5 stars!

  5. Isabelle

    Good , seller bring it fast

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What is Water Vapour Permeability of Fabric?

Water vapour permeability definition: In general, there is a water vapor pressure difference between the front and the back of the fabric, so the water vapor diffuses from the high-pressure air side to the low-pressure air side through the fabric. The water vapour permeability of fabric refers to the difficulty degree of water vapor passing through the fabric. The water vapour permeability of fabric is an important index to measure the comfort of clothing. Due to the difference of clothing environment, it is necessary to choose the appropriate water vapour permeability test method.

The Principle of Water Permeability Test

A test specimen is sealed over the open mouth of a test dish which contains water, and the assembly is placed in a controlled environment. Following a period of time to establish equilibrium of the water vapour pressure gradient across the sample, successive readings of the assembled dish are made and the rate of water vapour permeation through the specimen is calculated.

How to Calculate Water Vapor Transmission Rate?

The water vapour permeability index is calculated by expressing the water permeability of textiles as a percentage of the water vapour permeability of a reference fabric which is tested in a water vapor permeability test. After the water permeability test for fabric, the water vapour permeability of the fabric can be obtained according to the water vapor permeability unit conversion and the water vapor permeability formula.

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    Q: What's water vapour permebility definition?

    A:  Water Vapor Permeability (Breathability) is the ability of a fabric to allow moisture vapor to be transmitted through the material. It is an essential contributing property to thermal and Physiological Comfort clothing, and is vital in filtration and medical textiles.


    Q: What is water vapor transmission rate testing (water permeability test for fabric)?

    A: This blog concludes more information about water permeability. You can find it here.



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