Features Ÿ Vacuum differential pressure method Ÿ Own technology Ÿ 3 specimens test simultaneously and independently Ÿ Computer control Ÿ One-button test, test automatically through whole process Ÿ High accuracy vacuum sensors embedded in Ÿ 3 Chambers with independent temperature sensor Ÿ Test under various RH conditions with Humidity generator (optional) Ÿ Environment temperature and humidity sensor inside Ÿ Permeability coefficient ,solubility coefficient and diffusion coefficient test Ÿ Chambers with water bath temperature control technology Ÿ Unit based on embedded system,24bit Δ-Σ AD Ÿ Multiple test modes optional Ÿ Data curves display Ÿ Traceable reference film calibration Ÿ Supports DSM system (DSM, lab data management system) Proton Exchange Membrane Gas Permeability Testing Machine Manufacturer ASTM Standard 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(Flammable or toxic gases test available: H2, CH4, H2S, C2H2,C2H4 etc, must be announced in advance) Differential pressure: -0.1MPa-0.1MPa(Standard) 1.0MPa, 4.0MPa(optional) Gas interface: Ф8mm Including Computer and Constant Temperature Water Bath