Advanced Coronal Sensor Technology? With an upgraded low-energy CPU, our sensor offers unparalleled stability and lightning-fast response times for a range of refrigerants including R11, R22, R134A, R404a, R410A, and all halogenated refrigerants (HFCs, CFCs, HCFCs, and blends). Quick-Start Performance? Enjoy a fast response time of just 3 seconds and a warm-up duration of 6 seconds, ensuring you can detect leaks in no time. An alternative sensor tip is included for added convenience. Versatile Sensitivity Settings? Our sensor boasts 7 adjustable sensitivity levels, with a maximum sensitivity of 3g/yr, giving you precise control over leak detection for various applications. Intuitive Leak Detection Indicators? Equipped with both audible and visual gas leakage indicators, our sensor provides immediate feedback on the presence of leaks. A dual battery indicator ensures you never miss a low battery warning. User-Friendly Design? Our sensor’s intuitive design and easy-to-use interface make it suitable for professionals and DIY enthusiasts alike. With its upgraded features, you can rely on our sensor for precise and reliable leak detection. Home refrigerant leak detector.