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7-inch color touchscreen with graphical user interface (GUI).
Gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of the sample can be obtained in one operation.
High-precision pressure sensors ensure high accuracy and repeatability of the measurement system.
With three test modes: proportional mode, time mode, and intelligent judgment mode.
The test range can be extended to meet the requirements of high transmittance testing.
Pneumatic specimen grips prevent specimen slippage and ensure accuracy of test data.
Euipped with intelligent operating software, with features of a user-friendly interface, intelligent data processing, strict user management, secure data storage, electronic signature, etc.
Standard with micro-printer and standard USB interface.
The high-precision temperature control system can precisely regulate the temperature from ambient to 95°C with an accuracy of ±0.1°C.(optional)
A reference film for fast calibration ensures accurate and universal test data (optional).
The gas permeability tester GPT-101 is based on the differential pressure method, and is professionally used to determine the gas transmission rate (GTR) and permeability of plastic films, composite films, high barrier materials, sheeting and metal foils at different temperatures..
Standards:
This Gas Permeability Tester conforms to many national and international standards: ISO 15105-1, ISO 2556, ASTM D1434, JIS K7126-1, GB/T 1038-2000, YBB00082003
Principle:
The pre-conditioned specimen is mounted in the gas diffusion cell to form a sealed barrier between two chambers. The lower-pressure chamber is first evacuated, followed by the evacuation of the entire cell. Gas is then introduced into the evacuated higher-pressure chamber, creating a constant pressure difference between the two chambers. The gas permeates through the specimen from the higher-pressure side to the lower-pressure side. By monitoring the pressure changes in the lower chamber, the gas permeability and other barrier properties of the specimen can be determined.
| Model | GPT-101 |
| Test Range | 0.05 ~ 50,000 cm3/m2·24h·0.1MPa (Standard volume) |
| Number of Specimen | 1 |
| Vacuum Resolution | 0.05 Pa |
| Vacuum Degree of Test Chamber | <10 Pa |
| Temperature Range | Ambient ~ 95°C (Optional) |
| Temperature Accuracy | ±0.1°C |
| Sample Size | Φ95 mm |
| Sample Thickness | ≤ 3 mm (Customization is available) |
| Test Area | 33.18 cm2 |
| Test Gas | O2, N2, CO2, etc. (Customers will need to prepare gas supply) |
| Test Pressure | 0.1 MPa ~ 0.15 MPa |
| Gas Supply Port Size | Φ6 mm PU Tubing |
| Power Supply | 220VAC,50Hz / 120VAC,60Hz |
| Consumption | 300W |
| Standard Configuration | Instrument, professional software, communication cable, sample cutter, vacuum grease, vacuum pump, fast quantitative filter paper |
| Optional Configuration | Temperature control device, reference film, vacuum pump oil |
| External Size (WxDxH)(mm) | Instrument: 450x450x400 Vacuum pump: 460x144x240 |
| Net Weight | Instrument:25kg; Vacuum pump:19kg |
| Package Size (WxDxH)(mm) | Instrument:550x600x600 Vacuum pump:600x290x440 |
| Gross Weight | Instrument:35kg; Vacuum pump:24kg |
| Item | Materials and Gass | Application |
| Basic Applications | Films | Including plastic films, paper-plastic composite films, coextruded films, aluminized films, aluminum foils, aluminum foil composite films, glass fiber aluminum foil composite films and many others. |
| Sheeting | Including PP, PVC and PVDC sheets, metal foils, rubber pads, silicon wafers and other sheet materials. | |
| Gas | Oxygen, carbon dioxide, nitrogen, air, helium | |
| Optional Applications | Hazardous Gases | Test the permeability of inflammable and explosive gases, such as CH4, H2, etc. |
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