Application GTR-7001 is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, laminated films, high barrier materials, sheeting, metal foils, rubber, tires and permeable membranes. Features Vacuum differential pressure method Patent technology 3 specimens test simultaneously and independently Computer control One-button test, test automatically through whole process High accuracy vacuum sensors embedded in 3 Chambers with independent temperature sensor Test under various RH conditions with Humidity generator (optional) Environment temperature and humidity sensor inside Permeability coefficient ,solubility coefficient and diffusion coefficient test Chambers with water bath temperature control technology Unit based on embedded system,24bit AD Multiple test modes optional Data curves display Traceable reference film calibration Supports DSM system (DSM, lab data management system) Technical Indexes Test range: 0.01 - 190,000 cm3/m2�24h�0.1MPa (Standard) Resolution: 0.001cm3/m2�24h�0.1MPa Samples: 3, independent Vacuum accuracy: 0.1Pa Temperature range: 5C - 95C Temperature accuracy: ±0.1C Humidity range: 0%RH,35%RH-90%RH,100%RH (optional) Humidity accuracy: ±1%RH (optional) Sample thickness: less 5mm Sample size: >= 150mm * 94mm Test area: 48cm2 Test gas: O2, N2, CO2, He, etc Differential pressure: -0.1MPa - 0.1MPa Gas interface: Ф8mm Dimension: 730mm * 510mm * 350mm Power supply: AC 220V 50Hz Net wt. : 63kg Standards ASTM D1434, ISO 15105-1,ISO 2556,GB/T 1038-2000,JIS 7126-1,YBB 00082003 Configuration Delivery: Main unit, computer, G-TRANS software, Temperature controller, vacuum pump(BOC Edwards), tank regulator, PCIE card, communication cable, sample cutter, vacuum grease. Optional: Humidity generator, Reference film, vacuum grease, sample cutter, DSM system.