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    Validate systems with fast and accurate leak testing

    Accurate leak testing setups validate process integrity and prevent manufacturing failures and hazards. To reliably leak test components, equipment must repeatably measure low flows.

    • Multi-variable control. Maintain pressure and measure flow with one device, for all-in-one leak testing.
    • Fast system stabilization. Low pressure drops minimize restriction and enables rapid pressure stabilization, for a leak test much faster than pressure decay testing.
    • Reliable control and measurement. Repeatability to ±(0.2% of reading + 0.02% of full scale) from 0.01% to 100% of full scale.

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    Leak testing mfc

    Using a single device for fast and simple leak testing

    A single Alicat mass flow controller can control pressure while monitoring flow rate, for a fast, simple way to validate small volumes and components.

    Learn more about this fast and simple leak test

    Accurate, repeatable low flow detection

    Alicat devices are accurate to ±0.5% of reading and ±0.1% of full scale, with 2σ repeatability of ±(0.1% of reading + 0.02% of full scale), for highly reliable leak tests.

    Mass flow meters

    Accuracy test result of mass flow meter
    Whisper-Series mass flow controller with DB9 connector and backlit display

    Rapid stabilization and direct flow measurement

    Pressure decay tests are slow, requiring time for stabilization and calculation steps. Whisper™ instruments with low pressure drops enable the fastest pressure stabilization.

    Whisper™ mass flow controllers

    Accounting for natural oscillations

    Components like flap valves naturally oscillate. Totalizer and averaging functionalities on leak testers enable component validation even when flow rate varies.

    Totalizer averaging

    Reducing the Proportional component reduces oscillations: largest value (red) overshoots and oscillates.
    Custom leak testing box using Alicat mass flow controller

    Custom engineering

    Not finding the leak testing solutions you need? Speak with an applications engineer to discuss custom solutions for your setup.

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