Extech RD350 Refrigerant Leak Detector with Audible and Visual Alerts

The Extech RD350 is a professional-grade refrigerant leak detector designed for fast and accurate identification of leaks in HVAC/R systems. Equipped with a highly sensitive heated diode sensor, the RD350 detects a wide range of refrigerants including R-410A, R-32, R-134a, R-404A, R-407C, R-22, and HFO-1234yf, making it suitable for residential, commercial, and industrial applications. Its tri-colored LED leak level indicator and variable audible alarm provide clear visual and audio feedback, while the flexible 400 mm (15.5 inch) probe allows for easy access to hard-to-reach areas.

The RD350 offers three adjustable sensitivity levels, with detection capabilities as low as 3 g/year, ensuring precise leak identification even in low-concentration environments. A 45-second warm-up time and ambient concentration reset function enhance usability and efficiency in the field. Housed in a rugged, compact body measuring 221 × 74 × 47 mm and weighing just 421 g, the detector is powered by four AA batteries and includes a reference leak bottle and hard carrying case for added convenience.

Certified to CE standards and backed by a two-year warranty, the Extech RD350 is an essential tool for HVAC professionals who demand reliability, accuracy, and ease of use in leak detection.