LABTHINK – VAC-V2 Gas Permeability Tester
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Hãng sản xuất: LABTHINK
Model: VAC-V2 Gas Permeability Tester
Chỉ tiêu phân tích:
Ứng dụng:
- Product Features
- Principle
- Standards
- Applications
- Technical Specifications
- Configurations
- Mô tả
- Đánh giá (0)
Product Features
- Gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of the specimen could be obtained at one operation
- 3 distinct or equivalent specimens could be tested individually with independent test results at one operation
- Wide range and high precision temperature and humidity control to meet various test conditions
- The instrument comes with two test modes: proportional mode and standard mode
- Test range could be extended based on user requirements to test the materials with high permeability
- Test results could be easily obtained even at extreme condition by data fitting function, which could work at any temperature
- The instrument could be used to test poisonous, inflammable, and explosive gases (customization required)
- The instrument is controlled by computer and test process is automatic
- Reference film for fast calibration to ensure accurate and universal test data
- Standard RS232 port for convenient data transfer
- Supports LystemTM Lab Data Sharing System for uniform management of test results and test reports
Principle
The pre-conditioned specimen is mounted in the gas diffusion cell as to form a sealed barrier between two chambers. The lower-pressure chamber is firstly evacuated, followed by the evacuation of the entire cell. A flow of gas is thereafter introduced into the evacuated higher-pressure chamber and a constant pressure difference is generated between two chambers. The gas permeates through the specimen from the higher pressure side into the lower side. The gas permeability and other barrier properties of the specimen can be obtained by monitoring the pressure changes in the lower chamber
Standards
Standards
This test instrument conforms to the following standards:
ISO 15105-1, ISO 2556, GB/T 1038-2000, ASTM D1434, JIS K7126-1, YBB 00082003
Applications
This test instrument is applicable to the determination of gas permeability of:
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Technical Specifications
| Specifications | Film Test |
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| Test Range | 0.05~50,000 cm3/m2·24h·0.1MPa (standard volume) |
| At least 500,000 cm3/m2·24h·0.1MPa (extended volume) | |
| Number of Specimens | 3 (with independent test results) |
| Vacuum Resolution | 0.1 Pa |
| Vacuum Degree of Test Chamber | <20 Pa |
| Temperature | 5°C ~ 95°C |
| Accuracy | ±0.1°C (standard) |
| Humidity | 0%RH, 5%RH～95%RH (automatic humidification function under 10℃~40℃ can be customized) |
| Accuracy | ±1%RH |
| Specimen Size | Φ97 mm |
| Test Area | 38.48 cm2 |
| Test Gas | O2, N2 and CO2 (outside of supply scope) |
| Test Pressure | -0.1 MPa ~ +0.1 MPa |
| Gas Supply Pressure | 0.4 MPa ~ 0.6 MPa |
| Port Size | Φ6 mm PU Tubing |
| Instrument Dimension | 760 mm (L) x 575 mm (W) x 450 mm (H) |
| Power Supply | 220VAC 50Hz / 120VAC 60Hz |
| Net Weight | 88 kg |
Configurations
- Standard Configurations
- Instrument, Constant Temperature Control Device, Professional Software, Round Sample Cutter, Vacuum Grease, Fast Quantitative Filter Paper and Vacuum Pump(Imported)
- Optional Parts
- Blades for Sample Cutter, Vacuum Grease, Vacuum Pump Oil, Fast Quantitative Filter Paper
- Note
- 1. The gas supply port of the instrument is Φ6 mm PU tubing;
2. Customers will need to prepare for gas supply and distilled water
VAC-V2 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, composite films, high barrier materials, sheeting and aluminum foils.
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