We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
TOPTES

TOPTES RT-389 Rechargeable Refrigerant Leak Detector, HVAC Freon Leak Detector with 3 Sensitivity Modes & 3 Alarm Types, Air Conditioning Detection for CFCs, HCFCs, HFCs, HFOs, HCs - Orange

✅ In stock
F
Grade
💤 Not a Deal
0/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$97.49
Listed $129.99
Save $32.50 25% OFF
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 2, 2026 3:31 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by Toptes Direct
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓Adjustable Sensitivity For Precision Detection: The RT-389 refrigerant leak detector features a advanced Japanese semiconductor sensor with three sensitivity modes(High, Middle, Low), accurately identifying refrigerant leaks down to a maximum sensitivity of 3g/yr (0.1oz/yr). Additionally, its 14.5-inch flexible gooseneck making it ideal for automotive, home, and commercial HVAC systems
✓Triple Alarm Modes & Quick Mute: Equipped with sound(90dB), visual, and vibration alarms that can be independently activated or deactivated, the RT-389 freon leak detector offers flexible notification options. Its quick mute function allows you to silence alarms directly from the detection screen. The built-in top light enhances visibility in low-light conditions, ensuring precision detection in basements, garages, or other confined spaces
✓Dual Display Modes: The vibrant TFT color display of RT-389 HVAC leak detector ensures clear readings with adjustable brightness and an auto screen-off feature, enhancing readability and conserving battery life. Switch between a curved funnel chart for real-time refrigerant concentration levels (PPM) and a curve graph for tracking trends over time, providing a comprehensive detection experience
✓User-Friendly And High Quality: Powered by a robust 2000mAh rechargeable battery with USB-C charging, the RT-389 ac leak detector offers over 8 hours of continuous use, perfect for long tasks. The ergonomic, easy-grip design ensures comfortable handling. Built with high-strength engineering plastic, the RT-389 is waterproof, explosion-proof, and dustproof, ensuring durability and reliability in harsh environments
✓Wide Detection Range: The RT-389 halogan freon sniffer Detects refrigerants like HCFs, HCFCs, CFCs, PFCs, HFOs, such as R11, R22, R404a, R410a, R600a, R1234yf, as well as HCs like R50 (Methane), R170 (Ethane), R290 (Propane), and R600a (Isobutane). Package Includes: 1 x RT-389 Freon Leak Detector, 1 x Multilingual User Manual, 1 x Charging Cable, 1 x Storage Case

⚙️ Specifications

Brand
TOPTES
Color
Orange
Product Dimensions
1.22"D x 2.72"W x 6.34"H
Item Weight
271 g
Material
Plastic
Number of Items
1
Manufacturer
TOPTES
Model Number
RT-389
Manufacturer Warranty Description
3 Year Manufacturer
Built-In Media
Protective Case, RT-389 Refrigerant Leak Detector, USB-C Charging Cable, User Manual
Mfr Part Number
RT-389
F
$97.49
Check Deal →