Principle:
The pre-conditioned specimen is mounted between the upper and lower chambers at ambient atmospheric pressure. One chamber contains oxygen or air and the other chamber is slowly purged by a stream of nitrogen. Due to the concentration difference between the two chambers, oxygen molecules permeate through the specimen into the nitrogen side and are taken to the coulometric sensor where proportional electrical signals are generated. The oxygen transmission rate is then obtained by analyzing and calculating the signals. For package samples, high purity nitrogen flows inside the package, and oxygen or air flows outside.
Standards:
Features:
Specifications | Film Test | Package Test (customization available) |
Test Range | 0.01~6500 cm3/m2 (standard) | 0.0001~60 cm3/pkg |
Number of Specimens | 1~3 with independent test results | |
Resolution | 0.001 cm3/m2 | 0.00001 cm3/pkg |
Temperature Range | 15oC~55oC (standard) | |
Temperature Accuracy | ±0.1oC (standard) | |
Humidity Range | 0%RH, 35%RH~90%RH | |
Humidity Accuracy | ±1%RH | |
Test Gas | Oxygen and air (outside of supply scope) | |
Specimen Thickness | 3 mm (customization is available for other thickness) | / |
Test Area | 50 cm2 | / |
Specimen Size | 108 mm x 108 mm | One package with temperature control device: specimen should be smaller than DIA 150 mm and lower than 380 mm |
Three packages with temperature control device: specimens should be smaller than DIA 100 mm, and lower than 380 mm | ||
No size limitation for tests without temperature control device | ||
Carrier Gas | 99.999% high purity nitrogen or nitrogen with 2% hydrogen (outside of supply scope) | |
Carrier Gas Pressure | 0.28 MPa | |
Port Size | 1/8 inch copper tubing | |
Instrument Dimension | 690 mm (L) x 350 mm (W) x 360 mm (H) | |
Power Supply | AC (85~264)V (47~63)Hz | |
Net Weight | 70 kg |
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