English
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Application
| 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. |
Features
| Vacuum differential pressure method Built in embedded system with 24bit Δ-Σ AD, remote maintenance and upgrade One-Click start a test and test automatically stop, no any manual operation is required during the process until the end of the test Do NOT need to preset any test parameters before a test, zero operation experience requirements, proprietary technology 3 specimens test simultaneously and independently According to the test state, the vacuum pump starts and stops automatically, do NOT need manual operation Computer control, multiple test modes: Increment, proportional and intelligent The temperatures of chambers which hollow inside and with circulating water are stable, high precision and wide range, 3 chambers with independent temperature sensors to monitor Test under various RH conditions with Humidity generator (optional) Built in environment temperature and humidity sensor Permeability coefficient ,solubility coefficient and diffusion coefficient test Various curves display: chambers temperature, test pressure, transmission rates, etc Traceable reference film calibration Supports DSM system (DSM, lab data management system) |
Technical
| 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 |
Standard
| ASTM D1434, ISO 15105-1,ISO 2556,GB/T 1038-2000,JIS 7126-1,YBB 00082003 |
Configuration
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. |
Specification Selection Table
| Model | GTR-721 | GTR-736 | GTR-7006 | GTR-720 |
| Test range | 0.05 - 190,000 cm3/m2·24h·0.1MPa (Standard) | 0.05-160,000 cm3/m2·24h·0.1MPa (Standard) | 0.01 - 190,000 cm3/m2·24h·0.1MPa (Standard) | 0.01 - 190,000 cm3/m2·24h·0.1MPa (Standard) |
| Samples | 3, independent | one piece | 6, independent | 3, independent |
| Test gas | O2, N2, CO2, He, etc | O2, N2, CO2, He, etc (Flammable or toxic gases test available: H2, CH4, H2S,C2H2,C2H4 etc, must be announced in advance) | O2, N2, CO2, He, etc (self-provide) | O2, N2, CO2, He, etc(Flammable or toxic gases test available: H2, CH4, H2S,C2H2,C2H4 etc, must be announced in advance) |
| Dimension | 730mm(L) * 510mm(W) * 350mm(H) | 330mm(L) * 600mm(W) * 330mm(H) | 650mm(L) * 700mm(W) * 420mm(H) | 730mm(L) * 510mm(W) * 360mm(H) |
| Net weight | 63Kg | 28Kg | 96Kg | 63Kg |
