DY5751 Leak Detector offers high-sensitivity detection using advanced sensor technology to quickly and accurately identify even the smallest leaks, providing reliable data for maintenance tasks. Designed for automotive repair technicians, household appliance technicians, and HVAC engineers who need efficient refrigerant leak detection to maintain system integrity and safety. Supports multiple refrigerants including R410, making it suitable for automotive and HVAC applications across different user needs. Built with ABS construction and a portable design for rugged use in demanding environments. Features an LCD display and audible alarm for real-time monitoring and warnings. Use scenarios: - Automotive A/C service: locate leaks in cars and light trucks to protect performance and safety. - Home appliance service: detect leaks in refrigerators and other household appliances. - HVAC installation and maintenance: screen refrigerant lines in residential or commercial systems to ensure integrity before operation.