What is difference between Hydrotest and leak test?

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The purpose of a leak test machine is to generate lateral pressure to detect any leakage in fabricated systems or products. It is often accomplished by pressurizing or evacuating the test specimen to a specific pressure. Once the air in the system stabilizes, pressure alterations are monitored throughout the process.&#x27; If leakage is present within the test piece, the pressure drop will be linear in relation to a reference volume that is leak-free. Helium leak testing and other techniques require the use of a tracer gas to enhance sensitivity. After being evacuated, the test piece is filled with helium gas.An adjacent vacuum chamber is subjected to helium leakage, which is then detected by a mass spectrometer. The concept of a pressure difference is the foundation for leak testing. The use of leak test machines can enable the detection and measurement of potential leaks caused by pressure or vacuum application, thereby ensuring product integrity and safety in various applications. This technique must be chosen according to the size of the component, internal volume, or an acceptable limit of leak rate.

Q. What is difference between Hydrotest and leak test?

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