ASTM Standard Proton Exchange Membrane Gas Permeability Testing Machine 

Application

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. 

ASTM Standard Proton Exchange Membrane Gas Permeability Testing Machine 

Features

 Vacuum differential pressure method

 Own 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 Δ-Σ AD

 Multiple test modes optional 

 Data curves display

 Traceable reference film calibration

 Supports DSM system (DSM, lab data management system)

ASTM Standard Proton Exchange Membrane Gas Permeability Testing Machine 

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

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