also known as water vapor transmission rate (WVTR) or moisture vapor transmission rate (MVTR)
Gravimetric Method (Cup Method)
Complies with ASTM E96, D1653, ISO 2528 and TAPPI T464.
Labthink® Model W3/030, W3/031, W3/060, W3/062, W3/0120.
Electrolytic Detection Sensor Method
Complies with ISO 15106-3.
Labthink® Model W3/330, TSY-W3.
Infrared Detection Sensor Method
Complies with ASTM F1249, ISO 15106-2 and TAPPI T557.
Labthink® Model W3/230, C390.
Humidity Detection Sensor Method
Complies with ASTM E398, ISO 15106-1 and TAPPI T523.
Labthink® Model W3/130.
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C330H is designed based on the electrolytic sensor method and conforms to the requirements of ISO 15106-3. This instrument can be used to measure the water vapor transmission rate of barrier materials.
C330G is designed based on the electrolytic sensor method and conforms to the requirements of ISO 15106-3. This instrument can be used to measure the water vapor transmission rate of barrier materials.
C360H is designed based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument is equipped with 12 precision made test dishes.
C360M is designed based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument is equipped with 6 precision made test dishes.
C390H is designed based on infrared sensor method and conforms to the requirements of ISO 15106-2/ASTM F1249. The instrument is featured with patented design of integrated block consisting of 3 test cells.
Introduction C390 is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, daily chemical.
Introduction C330 is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, daily chemical,and etc.
This test system is based on the electrolytic sensor method, which are available for the WVTR test of flexible films, sheets, foils and packages. This equipment adopts Labthink patent design and can test 3 specimens with independent results.
This test system utilizes the infrared sensor method to test the WVTR of flexible films, sheets, foils and packages. It can test 3 specimens with independent results.
This test system is based on the gravimetric method to determine the WVTR of flexible films, sheets and foils. It is advanced with 6 test cups for 6 different specimens.
This test system is based on the gravimetric method to determine the WVTR of flexible films, sheets and foils. It is advanced with 6 test cups for 6 different specimens.
W3/0120 is based on the gravimetric method, which is available for water vapor transmission rate test of flexible films and sheets. It is advanced with 12 test cups for different specimens.
This tester is based on gravimetric method (cup method) and can be used to determine WVTR of flexible films, sheets, foils and etc. It is equipped with 3 test cups for accurate test.
This tester is based on the gravimetric method and available for the WVTR test of flexible films, sheets and foils. It is equipped with 3 test cups and can test 3 specimens independently.
This Tester is based on the humidity sensor method, are designed to measure the WVTR of flexible films, sheets, foils and etc. It has 3 test cups, which can test independently.
This equipment utilizes electrolytic detection method. It is a basic type and designed for WVTR test of flexible films, sheets and foils.
