10 Best ultrasonic leak detectors of 2025

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Best Choice

1

Accu-Trak

Superior AccuTrak VPE-GN PRO Gooseneck Ultrasonic Leak Detector Professional Kit, Includes VPE Leak Detector, Headset, Battery, Large Carry Case, Waveguide, Noise Blocking Headphones
9.9

Exceptional

Our Rating
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Value for Money

2

Accu-Trak
Accutrak VPE Standard Kit Ultrasonic Leak Detector
Main highlights

Ultrasonic Leak Detection Efficiency
Detects leaks equivalent to 1.5 oz/year of refrigerant with visual 10-element bar graph.

Ideal for HVAC and Industrial Applications
Perfect for detecting gas and vacuum leaks in various systems.

Highly Accurate Detection Praised by Customers
Users appreciate its sensitivity and reliability in identifying leaks.
Key specs
- part number:VPE
- alarm:Audible
- item weight:0.01 ounces
- asin:B00AFT5ANI
- sensor type:Ultrasonic
9.7

Exceptional

Our Rating
3

Inficon
INFICON Whisper, Ultrasonic Leak Detector, 711-202-G1

14% Off
Main highlights

Detects Various Leaks
Detects pressure and vacuum leaks for all gases, including pressurized nitrogen leaks. Applications extend to electrical arcing and malfunctioning steam traps.

Best For HVAC And Automotive
Ideal for locating HVAC, truck air, and A/C leaks. Works effectively in noisy environments with the help of a laser pointer and included headphones.

Highly Praised Leak Detection
Customers appreciate its ability to quickly pinpoint leaks, especially in air brake systems and compressed air setups. Effective even for small, hard-to-find leaks.
9.6

Exceptional

Our Rating

9.7
Tech Support

8.9
Simple to use

8.0
Precision
4

allsun

allsun Ultrasonic Leaking Detector Transmitter Auto Noise Finder 36-44KHz Air Gas Water Leak Diagnosis Tool
9.5

Excellent

Our Rating
5

Vanlison

Vanlison Ultrasonic Leak Detector for HVAC/Automotive/Industrial Use | 38-42kHz Frequency Range Detection with Sound & Light Alerts Portable Gas/Air/Water Leakage Finder Kit Adjustable Sensitivity
9.3

Excellent

Our Rating
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6

Inficon

INFICON Whisper with Accessory Kit, Enhanced Ultrasonic Leak Detector, 711-203-G1,Off-White
9.1

Excellent

Our Rating
7

allsun

allsun Ultrasonic Vacuum Leakage Detector Pressure Transmitter Finder 40KHz Air Leak Monitor with LED Indication(NOT Detect Pipe/Plumbing/Tire/Pool)
9.0

Excellent

Our Rating

8.0
worth the money

8.0
Precision
8

allsun
allsun Ultrasonic Sound Leakage Detector Kit for Detecting Refrigerant Air Gas Liquid leaks Diagnosis Tool
Main highlights

Accurate and Reliable Detection
The allsun Ultrasonic Sound Leakage Detector Kit provides precise and dependable results for diagnosing leaks in various systems.

Versatile Diagnostic Tool
Ideal for detecting refrigerant, air, gas, and liquid leaks in both pressurized and non-pressurized systems.

Praised Sensitivity
Customers frequently commend the receiver's sensitivity to ultrasonic frequencies, enhancing leak detection accuracy.
8.9

Very Good

Our Rating
9

KAISAL
Ultrasonic Leak Detector 40KHz±2KHz Air Leak Detector Sensitivity Adjustable Automotive Stethoscope, Leak Detection Tools with Sound&Light Alarm, Sensitive Sensor,420MM Probe,Foldable Headset,Handbag
Main highlights

Advanced Ultrasonic Technology
Quickly and accurately detects gas and liquid leaks using advanced ultrasonic sensing technology.

Versatile Leak Detection
Ideal for detecting leaks in cabins, car cockpits, pipes, and refrigeration equipment.

High Sensitivity Sensor
Praised for its ability to detect even tiny leaks with high precision.
8.8

Very Good

Our Rating
10

Accu-Trak

Superior AccuTrak VPE BASIC Ultrasonic Leak Detector Basic Kit, Includes VPE Leak Detector, Headset, Battery, Hard Case
8.6

Very Good

Our Rating

10 Best ultrasonic leak detectors of 2025

1

Superior AccuTrak VPE-GN PRO Gooseneck Ultrasonic Leak Detector Professional Kit, Includes VPE Leak Detector, Headset, Battery, Large Carry Case, Waveguide, Noise Blocking Headphones

How do we rank?

How do we rank?

Analyzing top stores

2

Accutrak VPE Standard Kit Ultrasonic Leak Detector

3

INFICON Whisper, Ultrasonic Leak Detector, 711-202-G1

9.7

8.9

8.0

4

allsun Ultrasonic Leaking Detector Transmitter Auto Noise Finder 36-44KHz Air Gas Water Leak Diagnosis Tool

5

Vanlison Ultrasonic Leak Detector for HVAC/Automotive/Industrial Use | 38-42kHz Frequency Range Detection with Sound & Light Alerts Portable Gas/Air/Water Leakage Finder Kit Adjustable Sensitivity

6

INFICON Whisper with Accessory Kit, Enhanced Ultrasonic Leak Detector, 711-203-G1,Off-White

7

allsun Ultrasonic Vacuum Leakage Detector Pressure Transmitter Finder 40KHz Air Leak Monitor with LED Indication(NOT Detect Pipe/Plumbing/Tire/Pool)

8.0

8.0

8

allsun Ultrasonic Sound Leakage Detector Kit for Detecting Refrigerant Air Gas Liquid leaks Diagnosis Tool

9

Ultrasonic Leak Detector 40KHz±2KHz Air Leak Detector Sensitivity Adjustable Automotive Stethoscope, Leak Detection Tools with Sound&Light Alarm, Sensitive Sensor,420MM Probe,Foldable Headset,Handbag

10

Superior AccuTrak VPE BASIC Ultrasonic Leak Detector Basic Kit, Includes VPE Leak Detector, Headset, Battery, Hard Case

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