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20 Best Lotfancy Freon Leak Detector of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best Lotfancy Freon Leak Detector of 2023. Check our ranking below.
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- RECHARGEABLE LITHIUM BATTERY: Enjoy the convenience of cordless operation with our rechargeable lithium battery. A USB-C cable is included for easy charging, allowing for enhanced mobility and prolonged use without the need for constant power supply.
- HIGHLY SENSITIVE SENSOR: Features a Japan-made heat dioxide semiconductor sensor, renowned for its exceptional sensitivity and reliability in detecting gas leaks.
- HIGHER SENSITIVITY: Adjustable sensitivity with High/Low levels.
- BROAD RANGE DETECTION: Both SFD200&SFD201 are capable of identifying a wide array of halogen refrigerants, our detector efficiently pinpoints leaks in systems using refrigerants like: CFCs: R11 R12 R113 R114 R400 HFCs: R21 R22 R31 R121 R122 R123 R124 R141b R142b R221 R222 R401a R402a R402b R408a R409a R509a HCFCs: R23 R32 R41 R125 R134a R143a R404a R410a R407c R417a R507 R508a R508b R152a HFOs: R-1234yf R-1234ze R449a R452b R454a/b R455a R456a R457a R459a, etc. This versatility ensures comprehensive leak detection across diverse HVAC applications. In addtion to that, SFD201 can detect HC/Combustible Gas such as R50/Methane, R170/Ethane, R290/Propane, and R600a/Isobutane.
- LARGE COLOR LCD SCREEN: Equipped with a vibrant, large LCD display, our leak detector ensures you don't miss any leaks. The clear level display not only pinpoints the location of leaks but also offers a quiet working environment, enhancing user comfort and efficiency during detection tasks.
- Heated Diode Sensor: Compared to traditional sensors, the results are also more accurate for all halogenated refrigerants.
- TFT Screen: First leak detector with a TFT screen that gives more clear and easy readings on sensitivities, leakage alerts, battery levels and other key info during operations.
- Higher Sensitivity: Adjustable sensitivity with High/Medium/Low levels and the maximum sensitivity is up to 0.1oz/yr.
- Quick Operation: The two corresponding buttons on the front allows quick adjustment to sensitivities or to mute buzzer directly, very easy to operate.
- Detecting All Halogenated Gases: It can detect all kinds of halogen refrigerants including CFCs, HFCs, HCFCs, HCs, HFOs and mixed refrigerants such as R11/R22/R404a/R410a/R600a/R1234yf and Blends such as AZ-50, HP62, MP39 etc. and response within 1s. We offer 7*24 services and a one-year warranty for the gas leak detector.
- 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
- Upgraded version of WJL-6000. Traditional corona sensor with updated analogue circuit, fast triggers on R11, R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
- 6s preheating time, instantaneous response; 6 adjustable sensitivity, sensitivity of 0.21oz/yr.
- A flexible probe around 8.26 inches allows detections in difficult and hard-to-reach areas.
- Direct status indication with audible & visual leakage alarm indicators and dual colour battery indicators. Battery by 4 AAA batteries (Not included)
- 24/7 US Technician Support via Email and Phone.
- 【Precise Leak Detection】: Adopt the most advanced sensing technology and microprocessor chips to help users accurately locate the leakage points of various refrigerants, such as CFC, HFC, HCFCs, HC, HFO, etc.
- 【Adjustment of Sensitivity】: The unit features vari-speed sensitvity adjustment and can be adjusted during the course of detecting. Clockwise adjusting means high sensitivity and in reverse means low.
- 【Leak Alarm】: When the leaked gas is detected, the audible tone will change to a "siren" typesound. More refrigerant, more siren. At the same time, Indicator light is flashing quickly.
- 【KIT Included】: This kit includes a UV lamp and UV resistant glasses, equipped with 3 long-lasting AAA batteries. UV lamp can help you locate leaks in your car's air conditioning system. High quality plastic safety glasses ensure safe Freon leak testing in dark places and block UV rays to protect your eyes.
- 【Buy with Confidence】: We provide you with 100% satisfaction guarantee. If there is any problem with your refrigerant leakage detector, please contact us, and we will provide you with return, exchange and repair.
Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Are lotfancy leak detectors any good?
A: LotFancy is a brand that makes different kinds of testing tools and equipment that are quite affordable and can be a great option if you are on a budget. The LotFancy Freon refrigerant leak detector is the cheapest and most affordable leak detector present in this article.
Q: What is the best Freon refrigerant leak detector?
A: The LotFancy Freon refrigerant leak detector is the cheapest and most affordable leak detector present in this article. Despite being an affordable option, it can easily detect most refrigerants, including CFCs, HCFCs, and HFCs, so that it can be used in most cases.
Q: Can a refrigerant detector detect CFCs and HFCs?
A: Despite being an affordable option, it can easily detect most refrigerants, including CFCs, HCFCs, and HFCs, so that it can be used in most cases. As for its sensitivity, it is rated at 0.21 oz/year that is quite high for the given price.
Q: How does signstek detect refrigerant leaks?
A: Using the heated diode method for refrigerant detection, this small, lightweight tool collects air and heats it so that chlorine and fluoride ions are separated. When Signstek detects a leak, the LED display flashes out and lets you know how severe the leak is across six different levels.