does this device require dye in the freon to work?

No. It detects the presence of refrigerant gas to signal a leak. Dye is just another way to find a leak as well as soapy water.

When I'm using UV do I need special glasses?

Amber/Yellow glasses helped me a lot. I had a uv flashlight that lit up brighter than this. Since I was working on a system that had been repaired multiple times, there was uv dye from previous leaks. This is where the "sniffer" part helped. It has been a long time since I last used it, but it did work well.

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WJL-6000PRO Refrigerant Leak Detector, Freon Leak Detector with UV & LED Light, Car AC Leak Detector Kit for HVAC & Auto, 0.14 oz/yr Sensitivity for R134a R22 R410A CFC Automotive Gas Finder

Product ID: 356277010

Details

Alarm
Audible Visual
Brand
Aprvtio
Color
Compatible Devices
R22 R410A CFCs
Item Weight
0.22 Kilograms
Manufacturer
Aprvtio

🎯0.14 oz/yr ultra-sensitive leak detection

📺Clear LCD screen shows exact leak levels

🔦Built-in 2-color LED & UV light for dark spaces

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Description

🔍 Detect leaks like a pro, save money like a boss!

DIY HVAC MAINTENANCE MADE AFFORDABLE EASY - Perfect for millennial homeowners and car enthusiasts who want to save on repair bills and maintain their systems confidently.
VISUAL AUDIBLE ALERTS KEEP YOU IN CONTROL - Multi-alarm system with escalating beeps and LCD readouts guides you straight to the leak source—no guesswork needed.
SEE CLEARLY EVEN IN THE DARKEST ENGINE BAYS - Integrated white LED flashlight and UV lamp reveal hidden leaks with fluorescent dye for double assurance.
NAVIGATE TIGHT SPACES WITH FLEXIBLE PRECISION - 7.9-inch bendable probe reaches those impossible-to-access AC pipes and valves effortlessly.
PINPOINT TINY LEAKS BEFORE THEY DRAIN YOUR WALLET - Detect refrigerant leaks as small as 0.14 oz/year with pro-grade sensitivity—stay ahead of costly repairs.

The Aprvtio WJL-6000PRO Refrigerant Leak Detector is a highly sensitive, user-friendly tool designed for HVAC and automotive AC maintenance. Featuring a 0.14 oz/year detection sensitivity, a flexible 7.9-inch probe, and built-in LED plus UV lights, it enables precise identification of refrigerant leaks across a wide range of gases including R134a, R22, and R410A. Its clear LCD screen and multi-alarm system provide visual and audible feedback, making it ideal for DIYers and professionals aiming to prevent costly repairs with early leak detection.

Specifications

ASIN	B0972QFD6N
Alarm	Audible, Visual
Best Sellers Rank	#29,057 in Automotive ( See Top 100 in Automotive ) #152 in Air Conditioning Line Repair Tools
Brand	Aprvtio
Built-In Media	Freon Leak Detector, LED Light
Color	WJL-6000PRO-UV
Compatible Devices	R22,R410A,R134A,R1234YF,CFCs,HCFCs,HFCs
Customer Reviews	4.3 4.3 out of 5 stars (906)
Item Weight	0.22 Kilograms
Manufacturer	Aprvtio
Mfr Part Number	AP-WJL-6000PRO-UV
Model Number	CLD-100
Operating Humidity	95 percent
Power Source	Battery Powered
Product Style	HVAC
Smart Home Compatibility	Not Smart Home Compatible
UPC	072632965675
Unit Count	1.0 Count

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$71.09

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In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

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