GTR 721 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, ru...
GTR 721 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.
Test range |
0.05 - 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 3mm |
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(L) * 510mm(W) * 350mm(H) |
Power supply |
AC 220V 50Hz |
Net wt |
63kg |
ASTM D1434, ISO 15105-1,ISO 2556,GB/T 1038-2000,JIS 7126-1,YBB 00082003
Standard: Main Unit, Computer, G-TRANS Software, Temperature Controller, Vacuum Pump, Vacuum Pump Control Model, Tank Regulator, PCIE Card, Communication Cable, Sample Cutter, Vacuum Grease.
Optional: Humidity Generator, Reference Film, Vacuum Grease, Sample Cutter, DSM system.
Note: Specifications are subject to change without prior notice.