{"product_id":"toptes-rt-389-rechargeable-refrigerant-leak-detector-3-sensitivity-modes-3-alarm-types-14-5-inch-gooseneck","title":"TOPTES RT-389 Rechargeable Refrigerant Leak Detector – 3 Sensitivity Modes, 3 Alarm Types, 14.5-inch Gooseneck","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe TOPTES RT-389 is a rechargeable refrigerant leak detector designed for HVAC professionals and serious DIYers. It combines a precise Japanese semiconductor sensor with three sensitivity levels (High, Middle, Low) to help you identify leaks with confidence. The detector achieves a maximum sensitivity of 3 g\/yr (0.1 oz\/yr), making it suitable for automotive and building systems where leaks can be subtle yet important to locate.\u003c\/p\u003e\n\u003ch3\u003eWhy this detector stands out\u003c\/h3\u003e\n\u003cp\u003eIts 14.5 inch flexible gooseneck lets you probe tight spots—from engine bays to compact service compartments—without moving the whole unit. The ergonomic grip and rugged shell, crafted from high‑strength engineering plastic, are built for durability in busy shops and field jobs. The device is designed to perform in damp, dusty, or cramped spaces thanks to robust construction that includes waterproof and dustproof features and an explosion‑proof rating.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eThree sensitivity modes enable you to tailor detection for the job at hand, from quick screening to precise pinpointing.\u003c\/li\u003e\n  \u003cli\u003eTriple alarm modes provide flexible notifications: audible at 90 dB, visual indicators, and tactile vibration, with a quick mute function and a top light for low light work.\u003c\/li\u003e\n  \u003cli\u003eThe vibrant TFT color display supports brightness adjustments and an auto screen‑off to save power, while offering both real‑time ppm readouts and a trend curve.\u003c\/li\u003e\n  \u003cli\u003eA long‑lasting 2000 mAh battery powers 8+ hours of continuous use, with convenient USB‑C charging for easy top‑ups.\u003c\/li\u003e\n  \u003cli\u003eWide refrigerant compatibility includes common CFCsHCFCsHFCs and many blends like R11, R22, R404a, R410a, R600a and more, plus some hydrocarbons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIn real world use\u003c\/h3\u003e\n\u003cp\u003eWhether diagnosing a parked car, servicing a commercial unit, or inspecting home systems, the RT-389 offers a practical balance of sensitivity, visibility, and durability. The combination of real‑time concentration readings and trend tracking helps you observe how refrigerant presence evolves over time, without promising outcome guarantees.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x TOPTES RT-389 Freon Leak Detector\u003c\/li\u003e\n  \u003cli\u003e1 x Multilingual User Manual\u003c\/li\u003e\n  \u003cli\u003e1 x USB-C charging cable\u003c\/li\u003e\n  \u003cli\u003e1 x Storage case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDesigned for professional reliability, the RT-389 blends precision sensing with an intuitive interface. Use it to enhance workflow, focus on likely leak sources, and support informed decisions on maintenance and repairs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which refrigerants does the RT-389 detect?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It detects a wide range of refrigerants including HCFCs, CFCs, HFCs, HFOs and common blends such as R22, R410a, R1234yf, and R600a.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the battery life and charging method?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 2000 mAh battery powers 8+ hours of use on a full charge, with USB-C charging for quick recharging.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TOPTES","offers":[{"title":"Default Title","offer_id":42395726970965,"sku":"B0DSHTX11Z","price":155.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/toptes-rt-389-refrigerant-leak-detector-front-view.jpg?v=1775947493","url":"https:\/\/plentytorque.co.uk\/products\/toptes-rt-389-rechargeable-refrigerant-leak-detector-3-sensitivity-modes-3-alarm-types-14-5-inch-gooseneck","provider":"PlentyTorque","version":"1.0","type":"link"}