GPT-303 differential pressure gas permeation instrument Introduction: GPT-303 differential pressure gas permeation instrument is a gas permeability tester for thin film samples based on the test principle of differential pressure method. It is suitable for plastic film, composite film, high barrier material, sheet, metal. The gas permeability, solubility coefficient, diffusion coefficient, and permeability coefficient of the foil at various temperatures were measured. Features: 1. The gas permeability, solubility coefficient, and diffusion coefficient of the sample can be simultaneously measured. 2. The three test chambers are completely independent and can test three identical or different samples at the same time. 3. Wide range, high precision temperature and humidity control to meet the test under various test conditions. 4. Provide a proportional and fuzzy dual test process judgment mode. 5. The test range can be expanded as needed to meet the requirements of large transmittance test. 6. The data can be fitted at any temperature to easily obtain the test results under extreme conditions. 7. Support testing of toxic gases and flammable and explosive gases (required restructuring). 8. The system is controlled by embedded computer and the whole test process is completed automatically. 9. Provide standard film for rapid calibration to ensure the accuracy and versatility of the test data. 10. Equipped with USB universal data interface for easy data transfer. Technical Parameters: Test range: 0.05～50,000 cm3/m2•24h•0.1MPa (conventional) The upper limit is not less than 500,000 cm3/m2•24h•0.1MPa (extended volume) Number of samples: 3 pieces Vacuum resolution: 0.1 Pa Test chamber vacuum: <20 Pa Temperature control range: 5 °C ~ 95 °C (temperature controller is available separately) Temperature control accuracy: ±0.1 °C Controlled humidity range: 0%RH, 2%RH～98.5%RH, 100%RH (humidity generator optional) Control humidity accuracy: ±1% RH Sample size: Φ97 mm Transmitting area: 38.48 cm2 Test gas: O 2, N 2, CO2 and other gases (air source users bring their own) Test pressure: -0.1 MPa to +0.1 MPa (conventional) Air source pressure: 0.4 MPa to 0.6 MPa Interface size: Ф6 mm polyurethane tube Dimensions: 760 mm (L) × 575 mm (W) × 450 mm (H) Power supply: AC 220V 50Hz Net weight: 88 kg
Introduction: GPT-303 differential pressure gas permeation instrument is a gas permeability tester for thin film samples based on the test principle of differential pressure method. It is suitable for plastic film, composite film, high barrier material, sheet, metal. The gas permeability, solubility coefficient, diffusion coefficient, and permeability coefficient of the foil at various temperatures were measured.
