When leak testing a low pressure?

When leak testing a low-pressure system, it is essential to use a non-destructive testing method that can accurately detect small leaks, such as using soap solution, electronic leak detectors, or pressure decay testing. The system is typically pressurized with a gas or liquid, and any escaping fluid will indicate a leak. It's important to ensure that all connections and joints are inspected thoroughly, and testing should be conducted in a controlled environment to minimize false readings. Finally, proper safety precautions should be taken, particularly if the system contains hazardous materials.