Intended Use：
Used to determine the gas transmission rate (GTR) of O2,CO2,N2 and other gases for various films and packaging materials.
Suitable for gas permeability testing of films, sheets, paper, packages, and related materials in fields such as food, pharmaceuticals, medical devices, daily chemicals, and photovoltaic electronics. It provides wide-range and high-efficiency detection for materials with high, medium, and low gas barrier properties.
Operating Principle：
Based on the principle of the differential pressure method. The pre-conditioned specimen is placed between the high and low-pressure test chambers and clamped. The entire test system is then evacuated. Finally, the test gas is filled into the high-pressure chamber to maintain a constant pressure differential across the specimen. Driven by the pressure gradient, the gas permeates from the high-pressure chamber through the film into the low-pressure chamber. By monitoring the pressure change in the low-pressure chamber, the barrier parameters of the specimen can be calculated.
Product Features：
- Unique chamber and pneumatic circuit design; the volume of the low-pressure chamber is adjustable to provide a wide test range.
- Equipped with imported sensors, ensuring high precision and excellent stability.
- Utilizes advanced P.I.D temperature control technology for high-precision thermal regulation.
- Real-time display of transmission rate, pressure, and temperature curves for live tracking of the instrument's operating status.
- Simple software interface and easy operation with optional automatic or manual test modes; test reports are saved automatically and can be printed at any time.
- Large-scale maintenance-free design with superior performance for year-round continuous operation; equipped with over-pressure safety protection.
- The mainframe is equipped with a touchscreen HMI (Human-Machine Interface) to display all parameters simultaneously.
Standards：
ISO 15105-1、ISO 2556、GB/T 1038-2000、ASTM D1434、JIS K7126-1、YBB 00082003
Application Fields：
Packaging | Food | Pharmaceuticals | New Materials | Chemical Industry | Printing
Technical Parameters：
Test Range
0.02-50000cm³/（m².24h.0.1MPa）
Measurement Accuracy
Within ±2% of reading
Temp. Control Accuracy
±0.5℃
Test Area
50.26 cm²（Optional for others）
Gas Inlet Port
Φ8 mm PU Tubing
Gas Source Pressure
≥0.4MPa
Power Supply
AC 220V/50Hz
Standard Configuration：
Mainframe, Power Cable, Communication Cable, Stainless Steel Tube, Pneumatic Tubing, Sample Cutter, Qualitative Filter Paper, Vacuum Grease, Installation Accessories
User-provided Items：
Compressed Air (Pressure ≥0.4 MPa, Φ8 mm PU tubing), Test Gas (O2, 99.999% Purity), Vacuum Pump (Flow rate 4L/s, Vacuum degree 6*10-2 ), PC
