Application:   
GPR-703 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.

Feature:
1. Vacuum differential pressure method
2. Patent technology
3. One specimen test
4. Computer control 
5. One-button test, test automatically through whole process
6. High accuracy vacuum sensors embedded in
7. Chamber temperature sensor embedded in
8. Environment temperature and humidity sensor inside 
9. Permeability coefficient ,solubility coefficient and diffusion coefficient test
10. Chamber with water bath temperature control technology (optional) 
11. Unit based on embedded system,24bit Δ-Σ AD 
12. Multiple test modes optional
13. Data curves display
14. Traceable reference film calibration
15. Supports DSM system (DSM, lab data management system)
 
Main Parameters:
Test range:  0.05 - 160,000 cm3/m2•24h•0.1MPa (Standard)
Resolution:  0.001cm3/m2•24h•0.1MPa
Samples: one piece
Vacuum accuracy : 0.1 Pa
Temperature range: 5C - 95C 
Temperature accuracy: ±0.1C 
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:  330 mm * 600mm * 330 mm
Power supply: AC 220V 50Hz
Net wt. : 28kg
 
Standards:
ASTM D1434, ISO 15105-1,ISO 2556,GB/T 1038-2000,JIS 7126-1,YBB 00082003

Download