Can underground water pipe leaks/water pipes in underground passages be detected?

No. If the pipe is buried under soil or concrete, the ultrasound cannot escape to the surface, so the device will not pick it up. Our detector only senses ultrasound traveling through open air.

It can power on normally, but after startup, there is no signal at all. Is it a device issue? What can the customer do?

Try using the matching ultrasonic transmitter to see if there is a signal. Perform initial tests in a quiet, indoor environment away from background noise.

Is it possible to deteck leaking from heating floor or heating pipe embedded in concrete?

Sorry, EM2268 is unable to detect,It's a low pressure system.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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allsun Pro Ultrasonic Leaking Detector Transmitter Auto Noise Finder, Electronic Stethoscope HVAC Machine Noise Monitor 36-44KHz, Air Gas Water Leak Diagnosis Tool

allsun Pro Ultrasonic Leaking Detector Transmitter Auto Noise Finder, Electronic Stethoscope HVAC Machine Noise Monitor 36-44KHz, Air Gas Water Leak Diagnosis Tool

Product ID: 85771389

🎧36-44KHz ultrasonic detection

🔊Adjustable volume for precise sound filtering

🛠️Complete professional-grade diagnostic kit

S$258

Duties & taxes included

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Description

🔍 Hear the leaks others miss — stay ahead with ultrasonic precision!

VISUAL LEAK INTENSITY FEEDBACK - LED indicators provide instant, clear confirmation of leak strength to speed up troubleshooting.
CUSTOMIZABLE SOUND AMPLIFICATION - Rotary volume control and sensitive mic let you isolate faint leaks even in noisy environments.
RUGGED BUILD WITH PRO ACCESSORIES - Durable ABS design includes focusing cone, contact probe, and headset for comprehensive leak detection.
PINPOINT LEAKS WITH ULTRASONIC PRECISION - Detects high-frequency sounds (36-44KHz) from air, gas, and vacuum leaks for unmatched accuracy.
VERSATILE MULTI TOOL FOR HVAC AUTOMOTIVE - Ideal for air conditioning, gas lines, vacuum systems, and mechanical diagnostics with included contact probe.

The allsun Pro Ultrasonic Leaking Detector is a professional-grade tool designed for automotive and industrial leak detection. Operating at 36-44KHz, it accurately identifies air, gas, and vacuum leaks with adjustable volume control and LED leak intensity indicators. Equipped with a contact probe and headset, this durable kit enables precise mechanical diagnostics in noisy environments, making it essential for HVAC, compressors, and pressurized systems troubleshooting.

Specifications

ASIN	B07B8GFCDL
Batteries	2 9V batteries required.
Battery Cell Type	Zinc Carbon
Best Sellers Rank	#79,658 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #79 in Leak Detection Tools
Color	Black
Customer Reviews	3.3 3.3 out of 5 stars (155)
Date First Available	March 6, 2018
Description Pile	9V battery
Item Package Quantity	1
Item Weight	3.03 pounds
Manufacturer	Zhangzhou Haimao Dianzi Keji Co., LTD
Material	ABS
Package Dimensions	10.51 x 10.35 x 4.49 inches
Power Source	Battery
Warranty Description	1 Year

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