PubtesterGTR-G3 Gas Permeability Tester (Differential pressure method) GTR-G3 Gas Permeability Tester is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate (GTR) as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheeting, aluminum foils, rubber, tire and permeable membrane. Advanced Technology > The three permeation cells are completely independent, and can test three identical specimens or distinct specimens simultaneously > Equipped with imported high-precision vacuum sensor and pressure sensor ensure the test accuracy > World’s first advanced water circulated temperature control system, realized temperature auto control and wider temperature range > Independent temperature control for upper/lower chamber and electrolytic sensor, which ensures the accuracy of the test results > Self-developed airtight piping system reduces system errors and makes test results more accurate > Unique sample anti-leakage structure design, ensure the seal stability of samples > Automatic pressure holding function, which can adjust the pressure of the upper

Pubtester Instruments Co., Ltd. ^t^Pubtester chamber in real time to ensure the constant pressure difference between the upper/lower chambers during the test > With professional operating system, the test process is completed the results are displayed automatically > With high-speed vacuuming capability, more thorough degassing, short test cycle and high efficiency High-end Configuration > Two test modes: proportional mode and standard mode > The system has self-checking capability to ensure that the equipment is in normal test state at any time > Test range could be extended based on requirements...

Pubtester Instruments Co., Ltd. ^t^Pubtester Various Gases Test the permeability of various types of gases, e.g. O2, CO2, N2, Air and He Test the permeability of inflammable and explosive gases Materials for Aerospace Usage Paper and Paper Board Test gas permeability of various sorts of biodegradable films, e.g. starch-based biodegradable bags Test the Helium permeability of airship gas bags Paint Films Glass Fiber Cloth and Paper Soft Tube Test gas permeability of paper and paper-plastic composite materials, e.g. aluminized paper for cigarette packages, Tetra Pak sheeting, paper bowls for instant...

Pubtester Instruments Co., Ltd. j t^Pubtester Standard configuration: Instrument, temperature control device, vacuum pump, computer, gas tube, sampler, calibration film Note: Customer need to prepare vacuum grease, testing gas.