Diaphragm Air Permeance Measuring Instrument

The diaphragm air permeability tester measures the gas permeation rate through the diaphragm using the differential pressure method. A stable pressure difference is maintained on both sides of the diaphragm, and the amount of gas permeating per unit time is recorded to reflect the material's barrier performance. It is used for testing the air permeability of battery diaphragms and packaging materials.
Selection
When selecting, focus on ensuring the measurement range covers the air permeability of the samples, and the accuracy meets the requirements of the testing standards. Confirm that the instrument is compatible with samples of different thicknesses and has temperature control functionality. Verify the validity of the calibration certificate, and ensure the operation interface aligns with the user's habits.
Measurement method

Terms

Standards

Instruments

With imported corrosion-resistant rubber diaphragm, the ultimate pressure reaches 0.085MPa, the pumping speed is 30L/min, and the noise is lower than 50dB. It can operate continuously and stably for 24 hours without lubricating oil.

$ 314.00

With imported corrosion-resistant rubber diaphragm, the pumping speed can reach 30L/min and the noise is lower than 50dB, which can operate continuously and stably in the oil-free state and is easy to maintain.

$ 391.00

Using PTFE pump head and composite diaphragm, strong corrosion resistance, maximum Flow rate 35L/min, Ultimate vacuum degree 15-20mbar, no pollution and maintenance, low noise operation stability.

$ 1085.00

Using electromagnetic motor and diaphragm sealing Chamber, the maximum Vacuum Level is 0.08Mpa, full Teflon material is resistant to strong chemical corrosion, free of daily maintenance and long service life, suitable for positive and negative pressure dual-use scenarios.

$ 146.00

PTFE material pump head and composite diaphragm, strong corrosion resistance, maximum Flow rate 65L/min, Ultimate vacuum degree 15-20mbar, oil-free design maintenance-free, low noise operation safe and stable.

$ 1756.00

PTFE material pump head and composite diaphragm, Maximum Flow rate 20L/min, Ultimate vacuum degree 15-20mbar, with anti-corrosion, low noise, overheating protection function, suitable for corrosion environment.

$ 916.00

The pumping rate is up to 30L/min, the ultimate pressure is > 0.08Mpa, the oil-free design and PTFE diaphragm material are used, the noise is lower than 50dB, and it can operate continuously for 24 hours with simple maintenance.

$ 346.00

Using electromagnetic motor and diaphragm sealing Chamber, maximum Vacuum Level 0.08Mpa, full Teflon material resistant to strong chemical corrosion, free of daily maintenance and long service life.

$ 160.00

PTFE material pump head and composite diaphragm, strong corrosion resistance, maximum Flow rate 35L/min, Ultimate vacuum degree 15-20mbar, no pollution and maintenance, low noise operation, suitable for corrosion environment.

$ 1066.00

The pumping speed is up to 30L/min, the ultimate pressure is > 0.095MPa, and the dual-stage design and imported corrosion-resistant rubber diaphragm are adopted. The noise is lower than 50dB, allowing for 24-hour continuous and stable operation.

$ 388.00

The pumping speed is up to 30L/min, the ultimate pressure is > 0.085Mpa, and the imported corrosion-resistant rubber diaphragm is adopted. The oil-free design avoids pollution, and the noise is lower than 50dB. It can work continuously and stably for 24 hours.

$ 287.00

The pumping speed is up to 30L/min, the ultimate pressure is > 0.08Mpa, the oil-free design and PTFE diaphragm material are used, the noise is lower than 50dB, and it can operate continuously for 24 hours.

$ 472.00

The pumping rate is up to 30L/min, the ultimate pressure exceeds 0.085Mpa, and the imported corrosion-resistant rubber diaphragm is used. The noise is less than 50 decibels, and it can operate continuously for 24 hours without lubrication and maintenance.

$ 325.00

Designed for specific types of thickness Gauges, it provides accurate Adjustment and adopts standard diaphragm structure to ensure accurate transmission of thickness measuring instruments and improve the repeatability of test results.

$ 110.00

Using electromagnetic motor and diaphragm sealing Chamber, Vacuum Level up to 0.08Mpa, pumping rate 60L/min, non-oil pump design pollution-free, full Teflon material resistant to strong acid and alkali corrosion, free of daily maintenance.

$ 388.00

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