Comprehensive Airtightness Tester Precision Air Leak and Waterproof Testing System

Product Overview

This comprehensive airtightness testing instrument delivers high-precision, non-destructive seal integrity and waterproof quality evaluation for high-reliability manufacturing and laboratory research. Utilizing clean, dry compressed air as the detection medium, the equipment pressurizes or evacuates the internal cavity or exterior surface of a test specimen and monitors minute pressure variations via ultra-sensitive sensors. Because compressed air molecules are significantly smaller than water molecules and eliminate all risks of liquid-induced secondary contamination, this system delivers faster cycle times, superior measurement resolution, and frictionless integration into high-throughput production lines compared to traditional water immersion methods.

Engineered for versatile industrial and lab testing, the equipment supports positive pressure direct testing, negative pressure vacuum decay testing, and closed-part volumetric dosing analysis. It serves as a vital quality gate across battery cell fabrication, electronic enclosures, automotive subassemblies, medical devices, and precision consumer hardware requiring stringent IPX waterproof ratings. With rapid cycle execution and automated pass/fail judgment, the instrument ensures full traceability and strict compliance with international ingress protection and airtightness standards.

Constructed with industrial-grade pneumatic valves, high-resolution pressure transducers, and robust signal processing architecture, this unit guarantees repeatable test cycles under continuous multi-shift operation. Its built-in programmable digital I/O interface enables plug-and-play synchronization with automated assembly fixtures, robotic loading cells, and factory MES networks. Whether configured for initial R&D leak characterization or high-speed automated end-of-line verification, the system provides unmatched measurement stability, operator safety, and operational longevity.

Key Features

• Non-Destructive Dry Air Testing: Employs clean compressed air instead of liquid immersion, completely eliminating the need for post-test component drying, preventing corrosion, and avoiding secondary contamination in sensitive battery and electronic assemblies.
• Ultra-Sensitive Pressure Transducers: Equipped with high-precision internal sensors delivering 0.2% Full Scale (FS) accuracy and resolution down to 1 Pa, capturing micro-leaks rapidly and reliably across short cycle windows.
• Multi-Method Testing Capabilities: Accommodates direct positive pressure inflation for open/ported cavities, negative pressure vacuum evacuation for thin-wall or flexible parts, and volumetric external pressurization for hermetically sealed, portless devices.
• Configurable Multi-Stage Timers: Integrated digital test timing controller supports programmable pressurization, stabilization, measurement, and exhaust phases from 1 to 999 seconds to optimize both testing precision and cycle throughput.
• Industrial Automation I/O Architecture: Standardized hardware interface provides optocoupled signals for remote start, stop, pass/fail result outputs, and independent dual-channel fixture drive control (1# and 2# actuation).
• High-Throughput Inline Deployment: Compact desktop footprint and rapid response circuitry enable direct mounting on automated production conveyors, rotary dial tables, and manual inspection benches without requiring extensive facility modifications.
• Intuitive Parameter Programming: Front-panel digital interface allows quick adjustment of test pressure limits, allowable leakage thresholds, calibration offsets, and stabilization intervals to accommodate diverse product batches with zero downtime.
• Rugged Pneumatic Circuitry: Industrial-grade manifold blocks and high-response solenoid valves prevent internal leakage and thermal drift, ensuring consistent baseline stability across extended multi-shift industrial operations.

Applications

Technical Specifications

General System Parameters

Positive Pressure Direct Series (ZY Models)

Designed for hollow, ported, or open-cavity test specimens requiring internal inflation testing.

Negative Pressure Direct Vacuum Series (FY Models)

Designed for hollow or open-cavity parts requiring internal evacuation/vacuum decay testing.

Quantitative Dosing / External Chamber Series (DL Models)

Designed for completely sealed, portless, or hermetic components requiring external pressurized cavity testing.

Why Choose This Product

• Superior Engineering Precision: Built around ultra-sensitive differential pressure transducers and premium manifold assemblies, delivering stable 0.2% FS measurement accuracy with high-precision resolution down to 1 Pa for micro-leak detection.
• Zero Contamination Non-Destructive Method: Utilizing dry compressed air as the testing medium prevents water spots, oxidation, and post-testing drying delays, protecting sensitive electronic circuits and battery materials.
• Full-Spectrum Application Coverage: With positive pressure, vacuum decay, and quantitative volumetric configurations spanning low-pressure (5 kPa) to high-pressure (800 kPa) regimes, the series accommodates virtually any open or hermetically sealed product format.
• Seamless Production Line Integration: Standardized industrial I/O architecture with built-in actuation drive outputs simplifies integration into automated robotic workcells, custom pneumatic test fixtures, and digital factory quality control systems.
• Robust Multi-Shift Durability: Housed in a compact, rugged benchtop enclosure engineered for demanding continuous industrial environments, ensuring long calibration retention and minimal maintenance overhead.

Contact our technical engineering team today to discuss your specific airtightness and waterproof leak testing requirements, request a detailed quotation, or configure a tailored multi-station inspection solution.

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