Air Tightness Tester
Category：Life Cycle & Durability
Introduction
The Air Tightness Tester for Automotive Connectors is designed to perform non-destructive airtightness tests on components of various shapes. Using precise positive and negative pressure control, it evaluates seals and connector integrity under controlled conditions. This device is widely applicable across automotive and industrial sectors, including engine casings, oil pumps, pipelines, valves, airbags, battery casings, and rubber hoses, ensuring compliance with quality and safety standards.
Application
This testing device is suitable for:
(1) Evaluating the airtightness of automotive connectors, pipelines, and seals.
(2) Testing engine casings, compressors, oil pumps, and water tanks for leak prevention.
(3) Assessing airtight performance of airbags, sealed workrooms, and industrial enclosures.
(4) Supporting R&D, quality control, and compliance verification in automotive and industrial manufacturing.
Standards
(1) ISO 6722 – Road vehicles: Electrical cables – Dimensions and test methods.
(2) ISO 14572 – Road vehicles: Test methods for connector sealing performance.
Parameters
| Parameter | Specification |
|---|---|
| Pressure Range (Positive) | 0 – 0.5 MPa (digital display, programmable) |
| Pressure Range (Negative) | 0 – -0.1 MPa (negative pressure pump) |
| Test Connectors | 3 sets; pipe diameters: 3 mm, 5 mm, 7 mm or per specification |
| Test Water Tank Dimensions | 400 × 200 × 200 mm |
| Timer | 0 – 999.9 S / M / H |
| Positive Pressure Example | Pressurization at 9.8 kPa (programmable) |
| Negative Pressure Example | Max negative pressure: -49 kPa (source up to -89 kPa) |
| Air Source | Silent compressor for positive pressure |
| Control Method | Digital pressure gauge and programmable control |
Features
(1) Dual Pressure Testing – Provides both positive and negative pressure control for comprehensive airtightness evaluation.
(2) Non-Destructive – Ensures components remain undamaged during testing.
(3) Programmable Test Cycles – Supports customized pressure profiles, durations, and sequences.
(4) Digital Display & Control – Allows real-time monitoring of pressure values with high accuracy.
(5) Multi-Connector Support – Flexible design for testing different connector diameters and types.
(6) Robust Construction – Stable water tank and silent compressor ensure reliable testing and minimal noise.
Accessories
(1) Digital pressure gauge with connecting air pipe and regulator.
(2) Three sets of connector adapters.
(3) Test water tank.
(4) Negative pressure pump.
(5) Silent air compressor.
(6) Timer and programmable control interface.
Maintenance Information
(1) Inspect connectors and air hoses regularly for wear or leakage.
(2) Clean the water tank and ensure no residue affects results.
(3) Check the compressor and negative pressure pump for proper operation.
(4) Calibrate the pressure sensors periodically to maintain measurement accuracy.
FAQ
(1) What is this product?
A device for testing the airtightness of automotive connectors and sealed components using controlled pressures.
(2) What is this product used for?
To verify the sealing performance of connectors, pipelines, and enclosures under simulated positive and negative pressures.
(3) What is the working principle of this product?
The device applies controlled air pressures to a component, detecting leakage or loss of integrity without causing damage.
(4) Why is this product important?
It ensures reliable sealing performance, preventing leaks and failures in automotive and industrial applications.
(5) Which industries is this product suitable for?
Automotive manufacturing, industrial components, electronics, fluid systems, and quality control laboratories.
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