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Home » Products » Permeability Testers » Moisture Vapor Transfer Tester

Moisture Vapor Transfer Tester

Moisture Vapor Transfer Tester
Moisture Vapor Transfer Tester
Product Code : W3/0120
Brand Name : Labthink
Product Description

W3/0120 Water Vapor Transmission Rate Tester 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.

Principle:

Under a certain test temperature, a constant humidity difference is generated between two sides of the test specimen. The water vapor permeates through the specimen and into the dry side. By measuring the weight changes of the test dish in different time, water vapor transmission rate and other parameters can be obtained.

Standards:

ISO 2528, ASTM E96, ASTM D1653, TAPPI T464, DIN 53122-1, JIS Z0208

Features:

  • Standard periodically weighing method and automatic reset before weighing ensures accurate weighing data.
  • 12 distinct or equivalent specimens can be tested individually with independent test results at one operation.
  • Standard air velocity enables constant humidity difference between two sides of test dishes.
  • Wide range and high-precision of automatic temperature and humidity control to support various combinations of non-standard test conditions.
  • Equipped with fast access testing ports for temperature and humidity which is convenient to the user.
  • Universal RS232 communication port is convenient to the data export and transmission.
  • Reference film or standard weight for fast and accurate calibration.
  • Supports LystemTM Lab Data Sharing System for uniform and systematic data management.

Technical Specifications

Specifications

Film Test

Test Range

0.1~10,000 g/m2·24h (standard)

Number of Specimen

1~12 (with independent test results)

Test Accuracy

0.01 g/m2·24h

Resolution

0.0001 g

Temperature Range

15°C~65°C (standard)

Temperature Accuracy

±0.1°C(standard)

Humidity Range

40%RH~95%RH (standard is 90%RH)

Humidity Accuracy

±1%RH

Air Velocity

0.5~2.5 m/s (customization is available)

Test Area

33 cm2

Specimen Thickness

≤ 3 mm (customization is available for other thickness)

Specimen Size

Φ74 mm

Volume of Test Chamber

80 L

Gas Supply

Air

Gas Supply Pressure

0.6 MPa

Port Size

Φ6 mm PU Tubing

Instrument Dimension

826 mm (L) x 726 mm (W) x 702 mm (H)

Power Supply

AC 220V 50Hz

Net Weight

114 kg

Applications:

  • Films
  • Sheeting
  • Paper and Paper Board
  • Textiles and Nonwovens
  • Inverted Cup Method
  • Artificial Skin
  • Medical Products and Accessories
  • Solar Back-Sheets
  • LCD Monitor Films
  • Paint Films
  • Cosmetics
  • Biodegradable Films

LABTHINK INSTRUMENTS CO. LTD.

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