https://cosmoinstrumentsindia.com/air-leaktester/

Automate leak detection. Cosmos Air Leak Testing Machine uses differential pressure for high-precision, reliable quality judgments on your production line. Cosmo’s Air Leak Testers are fully automatic, high-precision devices that detect leaks through minute changes in differential pressure. Our air leakage testing equipment is designed for integration into production lines; it enables labour savings, improves throughput, and delivers consistent OK / NG quality judgments.