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Specifications
It adopts the principle of the differential pressure method to measure the permeability of the packaging film's oxygen and so onGas Permeation Tester
Function and usage
Gas permeation tester tests the gas transmission rate (GTR) of packaging material.
This instrument is widely used in food industry, pharmaceutical industry, cosmetics flexible packaging materials industry (plastic film, barrier materials, sheets, metal aluminum, PVC, PVC sheets), college, university and quality institution for gas(O2,CO2,N2,ect)permeation test and quality control.
Standards :
ISO 2556-2001,ISO15105-1,GB/T 1038-2000,ASTM D1434-82(2003),YBB00082003.
Working principle
Use different pressure method .Put the prepared sample between the upper and lower chamber ,clamping it. Then do the vacuum for the whole system .Close the lower testing chamber, input test gas in the upper chamber, make sure form constant pressure between the two side of test sample, for differential conditions, the gas will permeate from the high pressure to lower pressure side, by monitoring the pressure of the lower pressure side to get parameters of various kinds testing samples.
Specifications
Measuring range | 0.02~5000 cm3/m2 .day.0.1Mpa 0.2~50000 cm3/m2 .day.0.1Mpa(by use expansion the mode) |
Measuring accuracy | 0.01cm3/m2.day.0.1Mpa |
Testing temperature range | 15°C~35°C, |
Temperature precision | ±0.1°C |
Resolution ratio | 0.1pa |
Vacuum | <20pa |
Carried gas inlet | 1/8 inch |
Sample thickness | ≤2mm |
Dimension | 700(L)mm×520(W)mm×380(H)mm |
Power supply | AC220 V/50Hz |
Sample area | Φ80mm, transmission area 50.24cm2,(no stipulate for area in international) |
Gas Pressure | 0.2-0.8Mpa |
Features
1, Automatic test, user friendly, non-maintenance design;
2. Two test mode of high and low, width measurement range, high precision ;
3. Superior components, accurate test result, high stability;
4. Automatically increase and decrease temperature, no special requirements to the environment;
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