The HLD100 Leak Detectors detect halogen refrigerant leaks in HVAC systems with precise and efficient detection technology. Intelligent microcomputer controller with LED indicators and an automatic alarm alerts users when refrigerant leak levels are excessive. Portable and easy to carry, this device is suitable for HVAC technicians, automotive mechanics, and refrigeration specialists, delivering accurate leak detection across diverse systems. Versatile for use in automotive air conditioning , home refrigerator maintenance, and commercial HVAC inspections, and it adapts to different environments with ease. Key attributes: Function: detects halogen refrigerant leaks with precision Compatibility: suitable for HVAC systems, automotive A/C, and domestic refrigeration Size/Portability: portable design for easy field use Performance: reliable automatic alarm and clear LED indicators Use scenarios: Automotive A/C : quickly locate refrigerant leaks in vehicles to expedite service. Home refrigerator maintenance: identify leaks in domestic refrigeration units to prevent loss of cooling efficiency. Commercial HVAC inspections: pinpoint leaks in larger commercial systems during routine inspections to support timely maintenance.