High-sensitivity detection device with advanced sensor technology to quickly and accurately identify even the smallest leaks, delivering reliable maintenance data. The DY5751 leak detector is a versatile tool compatible with multiple refrigerants, including R410, making it suitable for automotive and HVAC applications. Ideal for automotive repair shops, appliance service environments, and job sites, it helps ensure proper operation of air conditioning systems and reduces losses due to leaks. Designed for automotive technicians, appliance technicians, and HVAC engineers who require efficient leak detection to maintain system integrity and safety. Use scenarios: - Automotive service and repair: rapid AC system leak checks and post repair verification. - Home appliance maintenance: refrigerant leak checks on refrigerators, freezers, and other appliances. - Construction site or field service: on-site verification during installation, commissioning, or maintenance of cooling systems.