Leading Instruments Co Ltd / LD_GPT 03 Gas Permeability Tester



Gas Permeability Tester
              Gas Permeability Tester is applicable in the measurement of gas permeability rate, solubility coefficient, diffusion coefficient and permeability coefficient at various temperature of plastic films, laminated films, high barrier material, sheets, foils, and etc.
  • It can measure the gas permeability and gas permeability coefficient of the sample at the same time
  • It can meet the completely independent test of three test chambers
  • Wide range, high precision temperature and humidity control, meet various test conditions test
  • Provide three test process judgments of proportional, fuzzy mode and time mode model
  • The test range can be expanded as needed to meet the requirements of high transmittance test
  • Support the test of toxic gas and flammable and explosive gas (customized)
  • Pneumatic clamping sample, convenient and fast
  • The system adopts electronic intelligent control, and the whole test process is completed automatically
  • Provide standard film for quick calibration to ensure the accuracy of test data
  • The product conforms to GMP three-level authority
  • Micro-printer, note to print test statistical results at any time
  • Special computer communication software, which can perform real-time display of the test, analysis and processing of data, and data storage
  • Equipped with USB universal data interface, convenient for data transmission
Technical Indexes
  • Test Range: 0.1 ~ 10,000 cm³/m²•24h •0.1MPa (Routine)                                                                                                                                                                                                                            Upper limit is not less than 600,000 cm³/m²•24h •0.1MPa (extension volume)
  • Temp. Control Range: 10ºC~60ºC
  • Temp. Control Accuracy: ±0.1ºC
  • Vacuum Resolution: 0.05Pa
  • Vacuum Degree: <20Pa Specimen Size: F93mm
  • No. of Specimens: 3 pieces (independent data respectively)
  • Transmission Area: 33.18cm²
  • Test Gas: O2, N2 and CO2, etc.(Users provide gas source themselves)
  • Test Pressure: -0.1MPa ~ +0.1MPa
  • Pressure of Gas Source: 0.4MPa~0.6MPa
  • Inlet Size: F6mm polyurethane pipe
  • Dimensions: 600mm (L)×475mm (B)×450mm (H)
  • Power: AC 220V 50Hz
  • Net weight: 75kg



ASTM D1434, ISO 2556, ISO 15105-1, JIS K7126-A


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