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Packaging lab equipment high accuracy barrier film water vapor permeability analyzer moisture vapour transmission rate

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W413 water vapor permeability tester is designed to test the water vapor transmission rate (WVTR) of films or sheets materials.

Applied to:

1) Plastic film, composite film, aluminum foil, aluminized film, etc;

2) Sheet, panel, rubber, ceramics, etc;

3) Packaging containers, such as: glass, bottle, cans, boxes, etc;

4) Expanding application: solar panel, LCD film, medical patch, etc.

Widely used in quality inspection organizations, drug control institutions, research institutes, packaging, thin film, food companies, pharmaceutical enterprises, personal care industry, electronics industry and so on.


GB/T 26253-2010,YBB 00092003-2015,BS EN ISO 15106-2-2005,ASTM F1249-2013,JIS K7129-2008


 Accurate and reliable data

 With The State Certificate for Gradation of the certified Reference Materials and Licence for Manufacturing Measuring Instruments of the state Reference Material(GBW(E)130543/4)of Water Vapor Permeability Analyzer approved and issued by General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C. Adopting state reference materials to calibrate and verify the instruments, ensure the accuracy, universality and authority of the test data.

 Simple operation

 Professional software with simple interface, easy to use and convenient to set test process.

 Fully-auto operation, one-button test, judge and stop automatically.

 Curves display of permeability volume, flow rate, voltage, temperature and humidity in real time. The curves with conceal function, support query function for background data.

 Mainframe configure with color touch screen, can observe temperature, humidity and transmission without external computer.

 Professional test report can be automatically generated and exported in PDF format.

Advanced technology

 Temperature control: International advanced electromagnetic program step temperature control technology, auto heating and cooling; no need of external accessories. Precision: 0.1℃.

 Humidity control: Dual gas flow method (dry gas and humid gas), high precision (1%RH) and constant humidity.

 Supports electronic signature, online report submission, auditing function

 High efficiency

 Three independent test chambers: With three sensors and each chamber test independently, three same/different samples can be tested at the same time and output three test reports, which improve test efficiency.

 With three different test modes of high, medium and lower barriers, can test films with different barrier property.

 Measurement precise up to 0.001 g/m2·24h, can test high barrier materials, such as aluminum foil.

 Authority management & data trace

 The software is designed according to the requirements of the new GMP Appendix computerized system.

 Need a user name and password to log in to the workstation, and ensure the safety and effectiveness of account and experiment data.

 Users can be classified into different levels of system administrator, instrument administrator, auditor and operator.

 The system administrator can adjust the permissions of various levels, for example, increase and decrease system control items of any level.

 Have audit and trace functions (test tracking, log tracking), every data change is recorded, ensure the security and integrity of test data.

 Reliable and easy-maintenance instrument

 Imported infrared sensor, with high precise and good performance, can work for a long time.

 Sensor over-range automatic protection, prevent damaging important sensors while instrument failure.

 Functional modular design, easy to maintain.



Technical parameters

Test range

0.002~1000 g/m2·24h(film and sheet)

Test precision

0.001 g/m2·24h(film and sheet

Temperature range

15~45℃(15~60℃ optional

Temperature accuracy


Humidity range

0%, 30~90%RH,100%RH

Humidity accuracy


Test area

50.24 cm2(with additional adapting piece and be small as 0.785 cm

Sample size

Φ100 mm

Sample thickness


Number of test sample

1~3 pieces

Carrier gas

99.999% N2user provide

Carrier gas pressure


Carrier gas flow

5~100 mL/min

Pneumatic pressure



Instrument size






Power supply

AC 220V,50Hz


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Professional Vacuum Decay Leak Detection Tester Package Leaking Test Machine Seal Integrity Testing Equipment supplier Vacuum Decay Leak Detection Tester Package Leaking Test Machine Seal Integrity Testing Equipment

Brief Introduction

      GBM-L1 Vacuum Decay Leak Detection Tester is used to perform micro leakage detection on finished packaging by vacuum decay method. It is suitable for leak detection for the integrity of various packaging containers and applied to ampoules, vials, HDPE bottles, prefilled needles and other pharmaceutical packaging, food packaging, and chemical industry packaging. It is advantageous in its’ non-destructive, non-damage and sample-free preparing characters. Our company is always committed to escorting the quality of medicines and foods.

It provideprofessional data analysis software, one-click export report function and audit trail function. We have engaged in developing environmentally friendly packaging test equipment. Compared with the traditional color water method, microbial challenge method of leak detection, vacuum decay method is a zero emission, high-efficiency, non-destructive physical testing method. It is the best for manufacturers, inspection institutions and scientific research institutes to detect the leakage of pharmaceutical and food packaging.

Industry Standard

ASTM F2338-2009(2013) Standard Test Method for Nondestructive Detection of Leaks in Packages by Vacuum Decay Method

YY-T 0681.18-2020 Sterile medical device packaging test method,

United States Pharmacopoeia USP1207 standard

Industry Application

 Test Principle

In accordance with ASTM F2338-2009 (2013), YY-T 0681.18-2020 and USP1207 standards, GBM-L1 is based on vacuum decay method with dual sensor technology and dual circulation system. The machine main body should be connected with specially-designed test cell contained with tested package. 

The instrument evacuates the test cell, and a pressure difference is formed between the inside and outside of the package. Under pressure difference, the gas in the package diffuses into the test cell through the leak hole. The dual sensor technology detects the relationship between time and pressure and compares it with the standard value to determine whether the sample leaks.

 Technical Specifications



Vacuum Degree

0~-100 kPa

Detection Accuracy


Test Time

About 30s

Machine Operation

HM1 (Come with the tester)

Internal Pressure

Normal pressure

Test System

Dual sensors system

Vacuum Source 

External vacuum pump

Test Cell 

Customized based on sample

Test Application

ampoules, vials, prefilled needles and others

Test Method

Vacuum decay method/Nondestructive Detection of Leaks





Environment Temperature


Relative Humidity (RH)

Maximum 80%No Condensation

Power Supply



 Product Features

1. Test cell customization available for different test samples to meet various requirements

2. Suitable for detecting micro leakand also large leaks samplesthe judgment of qualified or unqualified displayed

3. Use non-destructive testing method to carry out leak detection on the finished packaging, which causes no sample damage

4. 7-inch color touch screen, humanized operation is more convenient.

5. Usbranded vacuum components, stable and durable.

6. Equipped with micro printer, USB data interface, PC software measurement and operation available, mbar and Pa interchangeable unit

7. Automatically saving of historical test records for local search

8. User classification authority setting to meet functions of GMP requirements, test record auditing and tracking

9. Automatically test results printing after test completion with manual operation to ensure accuracy and objectivity of the data.

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