
UL IP waterproof testing system training session for IEC 60529 IPX testing at certification laboratory with engineers observing KINGPO equipment demonstration
Project Overview
KINGPO successfully delivered a full IP waterproof testing system combined with UL rain testing equipment and microwave leakage detection solution to Guangzhou Branch (Suzhou UL Certification Laboratory).
The system was designed to support IEC 60529 IP Code testing (IPX1–IPX7) and multiple UL/CSA/NEMA rain test standards, enabling the customer to perform comprehensive ingress protection evaluation and compliance verification for electrical and electronic products.
This project demonstrates KINGPO’s capability to deliver multi-standard integrated environmental testing solutions for certification laboratories.
Quick Project Facts
| Item | Details |
| Customer | UL Certification Laboratory (Guangzhou Branch) |
| Industry | Certification & Testing Laboratory |
| Standards Covered | IEC 60529, GB4208, UL50E, UL1598, CSA 4.3 |
| Test Range | IPX1–IPX7 + UL Rain + Microwave Leakage |
| System Type | Integrated Waterproof Testing System |
| Delivery Time | 45 days |
| Warranty | 3 years |
| Payment Terms | 95% after acceptance, 5% retention |
Customer Requirements
The laboratory required a complete IP waterproof testing platform capable of covering:
- IPX1 / IPX2 vertical drip testing
- IPX3 / IPX4 oscillating tube rain testing
- IPX5 / IPX6 high-pressure water jet testing
- IPX7 immersion testing
- UL standard rain spray testing (UL50E / UL1598)
- Auxiliary microwave leakage testing (HI-1710A)
Key technical challenges included:
- Multi-standard testing integration in one system
- Stable flow control with high repeatability
- Automatic control of spray, rotation, and timing functions
- Compliance with UL and IEC standards simultaneously
- Laboratory-grade precision and traceability
KINGPO Solution
Based on the requirements, KINGPO delivered a modular integrated waterproof testing system including:
1. IP Waterproof Test System (IEC 60529)
- IPX1 / IPX2 vertical drip test device (2601 drip nozzles, 0.4 mm)
- IPX3 / IPX4 oscillating tube system (R200–R1000 swing tubes)
- Servo-driven swing control with PLC automation
- IPX5 / IPX6 spray system (6.3 mm / 12.5 mm nozzles)
- IPX7 immersion tank (600×650×1600 mm SUS304)
2. UL Rain Spray System
- UL upward & downward spray configuration
- Adjustable spray height up to 1000 mm
- 3 spray nozzles with individual pressure gauges (34.5 kPa)
- Compliant with UL50E / UL1598 / CSA requirements
- Conductivity-controlled water circulation system
3. Intelligent Control System
- Mitsubishi PLC control system
- 7-inch Weinview touchscreen HMI
- Fully automatic control of:
- Spray flow rate
- Oscillation angle & speed
- Test timing
- IPX7 immersion cycle
- Cleaning air-blow function
- Load rotation platform
4. Auxiliary Systems
- Rotating & tilting sample platform (620 mm diameter, 100 kg load)
- Microwave leakage tester (HOLADAY HI-1710A)
- Visual monitoring system for test process tracking
- Integrated water supply and filtration system

System Highlights
✔ Multi-standard integration
Single platform supports IEC, UL, CSA, and GB standards simultaneously.
✔ High precision flow control
Digital flow meter + inverter control ensures stable and repeatable spray conditions.
✔ Fully automated operation
PLC + touchscreen eliminates manual mechanical adjustments.
✔ Laboratory-grade repeatability
All parameters are digitally controlled and stored for repeat testing.
✔ Certification-ready configuration
Designed for compliance testing and certification laboratory workflows.
Factory Acceptance & Delivery
Before shipment, the system underwent:
- Full functional testing of all IP levels (IPX1–IPX7)
- Flow calibration and spray uniformity verification
- Swing tube motion accuracy check
- UL spray pressure validation
- Electrical safety inspection
- System integration debugging
The system was delivered within 45 days and installed with remote technical support.
Application Results
After commissioning, the UL laboratory successfully applied the system for:
- Product certification testing for IP rating validation
- Pre-compliance testing for electrical enclosures
- UL rain resistance verification
- Microwave leakage safety detection
- Routine laboratory testing operations
The system significantly improved:
- Testing efficiency
- Standard compliance capability
- Multi-test integration capacity
- Repeatability of measurement results
Why UL Chose KINGPO
- Experience in IEC + UL multi-standard systems
- Stable PLC automation architecture
- Proven waterproof testing technology
- Strong customization capability
- Long-term laboratory support model
Related Testing Systems
- IP Waterproof Testing Equipment (IPX1–IPX9K)
- UL Rain Spray Test Chamber
- IEC 60529 IP Code Test System
- Environmental Reliability Testing Equipment
FAQ
What standards does this system support?
It supports IEC 60529, GB4208, UL50E, UL1598, CSA 4.3 and related waterproof test standards.
Can IPX1–IPX7 be integrated in one system?
Yes, KINGPO provides a fully integrated modular system covering IPX1–IPX7 testing.
Is the system suitable for certification labs?
Yes, it is designed for third-party certification laboratories and compliance testing environments.
What is the control method?
PLC + 7-inch touchscreen fully automatic control system.
Conclusion
This project demonstrates KINGPO’s capability to deliver fully integrated IP waterproof and UL rain testing systems for certification laboratories.
The solution ensures standard compliance, testing stability, and high repeatability, making it suitable for modern laboratory accreditation requirements.




