Helium Leak Testing System

Though detailed specs are not published, the QYH-500 likely exists as a higher-capacity or larger-scale variant. 
- Larger chamber volume for bigger or multiple workpieces
- Increased throughput or more stations (e.g., dual- or multi-station configurations)

MODEL: QYH-500 Automatic Helium Leak Testing System Though detailed specs are not published, the QYH-500 likely exists as a higher-capacity or larger-scale variant. QYH-500 Series - (Presumed High-Capacity Variant) Compared to the QYH-300, it may offer: Larger chamber volume for bigger or multiple workpieces Increased throughput or more stations (e.g., dual- or multi-station configurations) Extended automation features or faster cycle times This aligns with ULVAC’s approach to modularly scaling their ALT systems to meet diverse industrial demands. General FAQs Automatic Helium Leak Testing System QYH – ULVAC What is the ULVAC QYH Automatic Helium Leak Testing System? The QYH is an advanced, fully automated helium leak detection system designed for high-precision testing in industrial production lines. It offers ultra-sensitive leak detection suitable for automotive, electronics, HVAC, and vacuum-related applications. What is the minimum detectable leak rate of the QYH system? The system is capable of detecting leak rates as low as 10⁻⁹ Pa·m³/s, ensuring the identification of micro-leaks that conventional test methods cannot detect. Which industries commonly use the QYH system? It is widely used in automotive manufacturing (including EV components), HVAC & refrigeration, semiconductor and electronics production, medical device manufacturing, and vacuum equipment industries. Can the QYH system be integrated into a fully automated production line? Yes. The QYH system is designed for seamless integration with conveyors, robotic arms, and automated assembly systems. It supports fully automatic and semi-automatic operation modes. What test methods are supported by the system? The QYH supports multiple test methods, including: Vacuum Method Accumulation Method Sniffer Method This flexibility allows the system to accommodate various product geometries and testing requirements. Does the system require frequent calibration? No. The QYH features auto-calibration and self-diagnostic functions, minimizing downtime and ensuring long-term measurement stability. Is helium usage efficient? Yes. The system is engineered to use helium efficiently, and an optional helium recovery/recycling module is available for customers looking to reduce gas consumption and operational costs. Can the system store and export test data? Yes. The QYH includes comprehensive data logging capabilities and supports data export via Ethernet, USB, or RS-232C, enabling integration with factory monitoring and quality management systems. What type of maintenance does the system require? Regular maintenance includes vacuum pump servicing, leak-checking of system components, and periodic cleaning. ULVAC’s diagnostic functions help identify servicing needs quickly. Can ULVAC provide customized fixtures or chambers? Yes. ULVAC offers custom-designed fixtures, chambers, and system configurations tailored to specific products, ensuring optimal testing accuracy and throughput.