Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C, 47500 Subang Jaya, Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+60122185651 (Enquiry)
+60162233687 (Vacancy)

Superiorsignal - VPE Ultrasonic Leak Detector

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Superiorsignal - VPE Ultrasonic Leak Detector Leak detectors Portable Inspection Gauges

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Superiorsignal - VPE Ultrasonic Leak Detector
VPE Ultrasonic Leak Detector
VPE Ultrasonic Leak Detector
VPE Ultrasonic Leak Detector
VPE Ultrasonic Leak Detector
VPE Ultrasonic Leak Detector
VPE Ultrasonic Leak Detector

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vpe_manual_2010.pdf (163.34 KB)
The Patented Superior AccuTrak® VPE Ultrasonic Leak Detector is a state-of-the-art, non-invasive, ultrasonic leak detector that can detect both pressure and vacuum leaks of ANY GAS. The AccuTrak® VPE is ideal for pinpointing leaks in air conditioning, refrigeration, automotive and other systems. AccuTrak®Ultrasonic Leak Detectors are extremely sensitive to the ultrasonic sound of a turbulent gas leak. Using a technology called 'heterodyning' they translate ultrasound to a lower frequency which your ear can interpret. AccuTrak® Ultrasonic Leak Detectors maintain the original sound characteristics of the ultrasound making it possible to distinguish leaks from other competing background sounds. AccuTrak® Instruments are so sensitive you can actually hear the blink of an eye, yet most background noise will not interfere with detection accuracy.


  • Gas Leak Detection:  Air, Refrigerant, Vacuum, ANY GAS!
  • Valves: Detect/hear internal leakage in check, ball, needle, gate or any type of valve! Diagnose thermal expansion valves in just five minutes!
  • Bearing Wear:  Hear wear and lubrication problems before damage is done!


  • Audio Output: 0 Hz to 4 kHz Natural Sound conversion allows you to Hear the Leak, and distinguish leaks from mechanical or other background ultrasound.
  • Visual Output: 10 element bar graph provides quick and intuitive visual indication to presence of and relative strength of ultrasound.
  • Adjustable Sensitivity: allows operator to quickly identify leaks from a distance, and then zero in on the exact location of the leak.

New! 3rd Generation VPE Features

  • 20% Greater Sensitivity – our all-new 3rd generation digital circuitry is clearer and quieter, allowing you to detect smaller leaks and faults faster than ever before. The VPE already had the best sensitivity in the industry – and now it’s even better.
  • Peak Hold Display – the new Peak Hold function on the display allows you to find leaks and faults faster and better, so you get the job done quicker and easier. This great feature can be found on instruments costing several times more – but it is unique for this class of instrument.
  • Over Range Audio Alarm – this unique new feature allows you to keep your eyes on what you are measuring rather than on your instrument display, and still know that you have exceeded the range setting and need to adjust the sensitivity for optimum performance.  Again, this gets your job done quicker, easier, and safer.
  • Improved Battery Life –  up to 200 hours of operation on a single standard 9-Volt battery.
  • More Rugged Design –  internal components have been redesigned to make the leak detector more shock resistant, resulting in an even more reliable design.


  • Capable of detecting a 5 psi leak out of a 0.005' (5/1000 inch) hole, 20 to 30 feet away depending on background noise.
  • Easily detects any gas that generates ultrasonic sound during flow – including vacuum leaks.
  • Capable of detecting leaks equivalent to 1.5 oz/year of Refrigerant.
  • Works equally well for compressed Air or Nitrogen.
  • Not affected by wind or high concentrations of leaked gas or refrigerant.

Available Kit for Sale

  • VPE basic kit
  • VPE standard kit
  • VPE proffesional kit
  • VPE plus kit
  • VPE pro-plus kit
For more infomation contact us!!

Advantages Versus Sniffers

  • AccuTrak® VPE is a much more accurate and reliable instrument for detecting single and multiple leaks.
  • AccuTrak® VPE can detect any type of refrigerant gas including nitrogen.
  • AccuTrak® VPE detects both vacuum and pressure leaks.
  • AccuTrak® VPE is effective in gas saturated areas and under windy conditions.
  • AccuTrak® VPE does not require the introduction of tracer gases into the system, which can be ozone depleting when vented, and can also be harmful to ones health.
  • AccuTrak® VPE is battery powered for cordless operation

Advantages versus other Ultrasonic Leak Detectors

  • AccuTrak® VPE is #1 in technology. We wrote the book on ultrasonic leak detection, our patented instruments lead the industry!
  • AccuTrak® VPE is the original! it is not a copy.
  • AccuTrak® VPE is the most durable unit available, with the best warranty. The face of the unit is sealed with no pin holes/speakers for foreign objects to enter.
  • AccuTrak® VPE has more dynamic range, and wont overload in loud areas.
  • AccuTrak® VPE gives true audio sound reproduction instead of the 'beeps and squeals' of other instruments.

Technical Specification

AccuTrak VPE

Shape Mostly Parallelepiped
Dimensions (LWD) 4.15” (10.5cm) X 2.4' (61mm) X .875' (22.22mm)
Overall Length 5.5” (14cm)
Body Materials ABS
Body Finish Blue ABS
Connector 3.5mm Stereo
Top Label Velvet Lexan, Back Printed
Weight 0.3lb (138gr) Includes Battery

Electrical :
Airborne Sensor Sensitivity -80db/V-µbar
Detection Performance* 1.5oz/yr Refrigerant
Ultrasound Converter type Heterodyne
Frequency response, AirBorne 36kHz-42kHz
Heterodyne Oscillator Analog
Heterodyne Filter 4kHz
Controls 1 Button
Sensitivity Control Continually Variable Slide
Output, Audio 0Hz to 4kHz
Output, Visual 10 Element Bar Graph
Battery Type 9 Volt 
Run Time 80-120 hrs

Please leave your enquiry here, we will reply as soon as possible.
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