Automotive Lamp Air Tightness Tester

The Automotive Lamp Air Tightness Tester is designed for evaluating the sealing integrity of automotive lighting systems, including headlights, tail lamps, and signal lights. The system adopts a positive pressure leak detection method to identify leakage in lamp housings and assemblies. It supports verification of IP67/IP68 waterproof and IP6X dustproof performance, helping manufacturers ensure compliance with international protection standards.

With a leak detection accuracy of ≤0.1 ml/min, the tester enables precise identification of defects such as micro-cracks, poor sealing, and aging gaskets, making it suitable for both laboratory validation and production line quality control.

Application

(1) Air tightness testing of automotive lighting components such as headlights, tail lights, and turn signals

(2) Leak detection of lamp housings, sealing structures, and electrical connectors

(3) Verification of enclosure protection performance including waterproof (IP67/IP68) and dustproof (IP6X)

(4) End-of-line quality inspection in automotive lighting production

(5) Suitable for automotive OEMs, component suppliers, and third-party testing laboratories

Standards

(1) IEC 60529 – Degrees of Protection (IP Code)

(2) ISO 20653 – Road Vehicles – Degrees of Protection (IP Code)

(3) GB/T 4208 – Enclosure Protection Classification

Parameters

Features

(1) Positive pressure testing method ensures stable and repeatable leak detection results

(2) Adjustable parameters including test pressure, holding time, and allowable pressure drop

(3) Fast pressurization with automatic pressure compensation to maintain test stability

(4) Real-time monitoring with pressure curve display under computer control

(5) High sensitivity suitable for detecting micro-leakage in complex lamp assemblies

(6) Integrated data storage and report generation for quality traceability

(7) Customizable fixtures and pressure ranges to match different lamp designs

Maintenance Information

(1) Inspect sealing components and pipelines regularly for wear or leakage

(2) Perform periodic calibration of pressure sensors to maintain measurement accuracy

(3) Keep the system clean to avoid contamination affecting test results

(4) Check fixtures to ensure consistent sealing performance

(5) Maintain stable gas supply and verify nitrogen purity when used

FAQ

(1) What is the Automotive Lamp Air Tightness Tester?

The Automotive Lamp Air Tightness Tester is a testing system used to evaluate the sealing performance of automotive lighting components. It applies controlled gas pressure inside the lamp assembly and measures leakage or pressure changes to determine whether the product meets specified sealing requirements.

(2) What is the Automotive Lamp Air Tightness Tester used for?

This tester is mainly used for detecting leakage in automotive lamps and verifying their waterproof and dustproof performance. It is commonly applied in production quality control, product validation, and reliability testing to ensure compliance with IP protection standards.

(3) What is the working principle of the Automotive Lamp Air Tightness Tester?

The system uses a positive pressure method by introducing compressed gas into the lamp cavity. It monitors pressure drop or calculates leakage rate over time. Any abnormal pressure variation indicates potential leakage, allowing evaluation of sealing integrity.

(4) Why is the Automotive Lamp Air Tightness Tester important?

Sealing performance directly affects the durability and safety of automotive lamps. This tester helps identify defects such as poor sealing or material aging, reducing the risk of moisture or dust ingress and ensuring products meet regulatory requirements.

(5) Which industries use the Automotive Lamp Air Tightness Tester?

It is widely used in automotive manufacturing, lighting component production, third-party testing laboratories, and certification organizations. It is suitable for both R&D testing and mass production quality inspection.