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DM2/330 Differential and Equal Pressure Method Gas Permeability Tester

 

DM2/330 Differential and Equal Pressure Method Gas Permeability Tester is based on differential and equal pressure method, and is professionally applicable to the gas permeability test of films and packages. It is designed for tests of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, laminated films, high barrier material, sheets, aluminum foils and back-sheets as well as bottles, pouches, jars and boxes made of plastics, rubber, paper, glass, metal and other materials.


Feature

 

  • Differential pressure method and equal pressure method combined in one unit to meet distinct testing requirements
  • Gas transmission rate, solubility coefficient and diffusion coefficient could be obtained at one operation
  • Three distinct or equivalent specimens can be tested individually with six independent test results by two test methods at one operation
  • Labthink patented design of diffusion chamber porous support plate
  • This instrument comes with three test modes: proportional, standard and manual mode
  • Wide range and high-precision of automatic temperature control to support various combinations of non-standard test conditions
  • 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 reportsf

 


Spesification

Technical Specifications

1.Equal Pressure Method

SpecificationsFilm TestPackage Test (customization available)
Test Range 0.01~5000 cm3/m2·d (Standard) 0.0001~50 cm3/pkg·d (Standard)
Resolution 0.001 cm3/m2·d 0.00001 cm3/pkg·d
Test Gas O2, Air and other gases (outside of supply scope)
Specimen Size /
100% O2 Test: < ?90 mm, Height should be less than 280 mm
No size limitation for Open (Air) Test
Number of Specimen 3 (with independent test results)
Specimen Specification /
Bottle: inner diameter of bottle mouth should be more than ?9 mm, outer diameter of bottle mouth should be less than ?50 mm (Standard)
Bag and Box: Testing accessories are required


2. Differential Pressure Method

Test Range 0.05 ~ 50000 cm3/m2·24h·0.1MPa (Standard)
Vacuum Resolution 0.1 Pa
Vacuum Degree of Test Chamber  
Test Gas O2, N2, CO2, etc. (outside of supply scope)
Gas Supply Pressure -0.1MPa ~ +0.1MPa (Standard)
Number of Specimen 3 (with independent test results)
Test Area 38.48 cm2


3. Other Specifications

Temperature Range 5°C ~ 95°C
Temperature Accuracy ±0.1°C
Pressure of Test Gas 0.6 MPa
Port Size ?8 mm PU Tubing
Carrier Gas 99.999% high purified nitrogen (outside of supply scope)
Pressure of Carrier Gas 0.05 MPa
Port Size 1/8 inch copper tubing
Instrument Dimension 1080 mm (L) X 720 mm (W) X 490 mm (H)
Power Supply AC 220V 50Hz
Net Weight 120 kg

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