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Superior Signal VPE Ultrasonic Leak Detector

The VPE 3rd Generation Ultrasonic Leak Detector delivers industry-leading sensitivity, Peak Hold display, and Over Range Audio Alarm for fast, accurate detection of gas leaks, vacuum leaks, and bearing wear. With up to 200 hours battery life and shock-resistant design, it is ideal for industrial, automotive, HVAC, and NDT applications.

  • Natural sound conversion: 0 Hz to 4 kHz for detecting leaks and distinguishing from background noise
  • Visual Output: ten-element bar graph for intuitive indication of leak presence and strength
  • Adjustable sensitivity for pinpointing leaks from a distance
  • 20% greater sensitivity with upgraded 3rd Generation digital circuitry

Description

The VPE 3rd Generation Ultrasonic Leak Detector is a highly sensitive, portable diagnostic instrument designed for fast and accurate detection of gas leaks, vacuum leaks, and bearing wear. Using natural sound conversion from 0 Hz to 4 kHz, the device allows operators to hear leaks and distinguish them from mechanical or background ultrasound. A ten-element visual bar graph provides a quick, intuitive indication of leak presence and relative strength, while adjustable sensitivity enables pinpointing of leaks from a distance before zeroing in on the exact location.

This upgraded 3rd Generation model introduces 20% greater sensitivity through advanced digital circuitry, ensuring even smaller leaks and faults are detected faster. The Peak Hold display allows users to identify leaks more efficiently, while the Over Range Audio Alarm ensures safe operation without constantly monitoring the display. Redesigned internal components make the device shock-resistant and highly reliable, and a single standard 9-Volt battery can provide up to 200 hours of operation, making it suitable for extended fieldwork.

Features

  • Natural sound conversion: 0 Hz to 4 kHz for detecting leaks and distinguishing from background noise

  • Visual Output: ten-element bar graph for intuitive indication of leak presence and strength

  • Adjustable sensitivity for pinpointing leaks from a distance

  • 20% greater sensitivity with upgraded 3rd Generation digital circuitry

  • Peak Hold display for faster leak localization

  • Over Range Audio Alarm for safe and efficient operation

  • Shock-resistant design with redesigned internal components

  • Battery life: up to 200 hours on a single 9-Volt battery

  • Portable and lightweight for field inspections

  • Detects a wide range of gases, including air, nitrogen, refrigerants, and vacuum leaks

  • Capable of detecting:

    • 5 psi leak from a 0.005″ hole at 20–30 feet (depending on background noise)

    • Leaks up to 1.5 oz of refrigerant per year

  • Unaffected by wind or high gas concentrations

  • Applications: detection of gas leaks, internal valve leakage, thermal expansion valves, and bearing wear monitoring

Applications

Applications for VPE Ultrasonic Leak Detector

  • Detection of Gas Leaks: Air, Refrigerant, Vacuum, ANY GAS!
  • Internal leakage in check, ball, needle, gate, or any other type of valve can be detected and heard!
  • Thermal expansion valves can be diagnosed in just five minutes!
  • Bearing Wear: Detect wear and lubrication issues before they cause damage!

Capabilities of the VPE Ultrasonic Leak Detector

  • Capable of detecting a 5 psi leak from a 0.005″ (5/1000 inch) hole from a distance of 20 to 30 feet depending on background noise.
  • Detects any gas that emits ultrasonic sound during flow, including vacuum leaks, with ease.
  • Capable of detecting leaks of up to 1.5 oz of refrigerant per year.
  • It works equally well with compressed air as it does with nitrogen.
  • Wind and high concentrations of leaking gas or refrigerant have no effect.

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Please fill in the request form below and one of our engineers will contact you to discuss your system requirements and if we can help, our typical response time is within 1 – 3 working day.