The sensor seems not to work, how can I detect by myself?

Second application, first time it worked well, but now it beeps two times a second, yet doesn’t detect even a direct stream of r-22 vapor. ??

Does this detect the smell of Freon refrigerant etc.? Or does it alert you for a leak if it feels air blowing on the sensor? Thank you

I am currently a student at a local college working on my last semester of refrigeration and air conditioning technology, I have used this sensor to detect R-22 and R-134a leaks and verified it with a much more expensive sensor. It works for these two refrigerants and yes, it detects the gas not just air. I also use soap bubbles once I have verified the location of the leaks. Best $20.00 I ever spent.

Will this unit detect R421a?

The product packaging specifically indicates it will detect R134a, R410a, R12, R22 and R600a (and I've only used mine for R134a), but I'm guessing it'll work with pretty much any commonly used CFC-based refrigerant.

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Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF, WJL-6000S

Product ID: 25200165

Details

Alarm
Audible Visual
Brand
Elitech
Color
WJL-6000
Item Weight
7.2 ounces
Operating Humidity
95 percent
Power Source
Battery

🎯Detects all halogen refrigerants

🔍7.9-inch flexible probe

🎚️7-level adjustable sensitivity

196.16 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Catch leaks before they catch you – Elitech’s precision at your fingertips!

ERGONOMIC FLEXIBLE PROBE - Reach tight, hard-to-access spots effortlessly with a 7.9-inch bendable probe.
CUSTOM SENSITIVITY CONTROL - Fine-tune detection sensitivity up to 0.21oz/yr for flawless HVAC diagnostics.
INSTANT RESPONSE WARM UP - Starts detecting leaks within 3 seconds and warms up in just 6 seconds—no downtime.
UNIVERSAL HALOGEN DETECTION - Pinpoints leaks in R22, R134A, R410A, and all halogen refrigerants with precision.
DUAL AUDIBLE VISUAL ALERTS - Never miss a leak with clear sound and light indicators plus battery status notifications.

The Elitech WJL-6000S Freon Leak Detector is a professional-grade HVAC tool designed for rapid, accurate detection of all halogen refrigerant leaks including R22, R134A, and R410A. Featuring 7 adjustable sensitivity levels, dual audible and visual alarms, and a flexible 7.9-inch probe, it ensures efficient diagnostics even in hard-to-reach areas. With a lightning-fast 3-second response and 6-second warm-up, this lightweight, battery-powered device is trusted by thousands of technicians for reliable, on-the-go leak detection.

Specifications

ASIN	B015FK1EH2
Alarm	Audible, Visual
Best Sellers Rank	#5,344 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Gas Detectors & Alarms
Brand	Elitech
Color	WJL-6000
Customer Reviews	4.2 4.2 out of 5 stars (5,282)
Enclosure Material	Metal, Plastic, Rubber
Item Dimensions D x W x H	1.37"D x 1.37"W x 5.9"H
Item Weight	7.2 ounces
Manufacturer	Elitech
Mfr Part Number	WJL-6000
Model Number	WJL-6000
Number of Items	1
Operating Humidity	95 percent
Power Source	Battery Powered
Product Style	modern
Sensor Type	Ionization
UPC	705911761681 841161102970 841161102918
Unit Count	1 Count
Upper Temperature Rating	52 Degrees Celsius

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196.16 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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