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Custom 5-Channel Bubble Tester for Wire Harness

Five independently controlled air channels use visible bubbles to locate leaks in wire harness Heat Shrink Tubes and sealed connectors.

Front view of the 5-channel bubble tester for wire harness
Front view of wire harness bubble tester Left view of wire harness bubble tester Right view of wire harness bubble tester Rear view of wire harness bubble tester Wire harness and Heat Shrink Tubes test sample
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The actual price depends on product customization.

Test Channels: 5 independently controlled channels
Test Method: Positive pressure / bubble observation
Test Parts: Wire harnesses, Heat Shrink Tubes and sealed connectors
Equipment Configuration: Customized for the product and process

Product Overview

  • The custom 5-channel bubble tester for wire harness is designed to inspect Heat Shrink Tubes, branch seals and connector joints for waterproofing and leakage.
  • Five independent pneumatic circuits can start and stop separately, allowing multiple parts to be tested in parallel and simplifying loading, testing and result confirmation.
  • During testing, clean compressed air is introduced at a set pressure and the sealed section is immersed in water. A continuous stream of bubbles provides direct leak detection and location.
  • Fixtures, sealing connectors, channel count and equipment layout can be customized for harness length, connector type, test pressure and production cycle time.

Quality Assurance

Our products guarantee testing quality and user experience through multiple core features

Five independent test channels

5 Independent Channels

Visible bubble leak location

Visible Bubble Location

Adjustable test pressure

Adjustable Test Pressure

Fast multi-station loading

Fast Multi-Station Loading

Independent start and stop control

Independent Start/Stop

Customization Available

Customization Available

Product Details

Appearance & Interaction Design

Integrated 5-channel bubble tester for wire harness

Integrated Test Bench

The water tank, pneumatic circuits, loading stations and control buttons are integrated into a benchtop unit for straightforward installation and daily operation.

Digital pressure display on the wire harness bubble tester

Digital Pressure Display

The digital pressure display makes the current test pressure easy to monitor during each bubble test.

Core Advantages

5-Channel Parallel Testing

Each of the five pneumatic circuits has its own connector and start/stop control. Channels can run independently or test multiple wire harnesses at once to improve station utilization.

Direct Visual Leak Location

The water immersion bubble test identifies whether a part leaks and shows the exact defect location on Heat Shrink Tubes, connectors or other sealed sections.

Custom Fixtures and Process

Sealing connectors, loading fixtures, water tank size and channel configuration can be customized for the harness length, branch count, connector type and required test pressure.

Application Scenarios

Wire harness Heat Shrink Tubes for bubble leak testing

Automotive Wire Harness Assemblies

Test the waterproof integrity of harness branches, terminal connectors and sealed sections.

Heat Shrink Tubes

Locate leaks caused by uneven shrinking, insufficient coverage or process damage.

Wire Harness Branch Joints

Verify sealing integrity where multiple wires converge or where potting material is applied.

Waterproof Connections

Inspect assembled connections between wire harnesses, connectors, sleeves and sealing joints.