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Home » Products » Permeability Testers » Paper and Paper Board Water Vapor Transmission Rate Instrument

Paper and Paper Board Water Vapor Transmission Rate Instrument

Paper and Paper Board Water Vapor Transmission Rate Instrument
Paper and Paper Board Water Vapor Transmission Rate Instrument
Product Code : W3/060
Brand Name : Labthink
Product Description

Paper and Paper Board Water Vapor Transmission Rate Instrument

Labthink manufactures and exports Professional, High Efficiency and Intelligent Water Vapor Permeability Tester, which is based on the cup method, and is professionally applicable

to the water vapor permeability test of film 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

Standard

This Paper and Paper Board Water Vapor Transmission Rate Instrument conforms to the following standards:

ISO 2528, GB 1037, GB/T 16928, ASTM E96, ASTM D1653, TAPPI T464, DIN 53122-1, JIS Z0208, YBB 00092003

Features

  • Wide range and high-precision of automatic temperature and humidity control to support various combinations of non-standard test conditions
  • Standard air velocity enables constant humidity difference between two sides of test dishes
  • Automatic reset before weighing ensures accurate weighing data
  • Gas cylinder lifting structure design and periodically weighing method to reduce system errors
  • Convenient fast-access calibration ports for temperature and humidity
Specifications

Test Range

0.1~10,000 g/m224h (standard)

Number of Specimens

1~6 with independent test results

Accuracy

0.01 g/m224h

Resolution

0.0001 g

Temperature Range

15°C~55°C (standard)

Temperature Accuracy

±0.1°C(standard)

Humidity Range

10%RH~98%RH (standard is 90%RH)

Humidity Accuracy

±1%RH

Air Velocity

0.5~2.5 m/s (customization available)

Specimen Thickness

3 mm (customization is available for other thickness)



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