



Rain Test Equipment โ JIS D 0203 JIS C 0920 IPX1-IPX9K Rain Test Chamber
Rain Test Equipment delivers JIS D 0203 and SAE J575 compliant IPX1-IPX9K waterproof validation for automotive OEMs and electrical enclosures.
- IPX1/IPX2: 800 ร 800 mm drip board with adjustable drip rate (1 mm/min or 3 mm/min)
- IPX3/IPX4: Oscillating tubes R200 and R400, swing angle 120ยฐ (IPX3) or 350ยฐ (IPX4)
- IPX5/IPX6: 6.3 mm / 12.5 mm nozzles, flow rate 12.5 ยฑ 0.62 L/min and 100 ยฑ 5 L/min
- IPX4K/IPX6K/IPX9K: High-pressure steam-jet cleaning simulation
- IPX7/IPX8: Immersion tank testing
- Control System: PLC with color touchscreen for programmable sequences and real-time monitoring
- Standards Compliance: JIS D 0203, JIS C 0920, SAE J575, IEC 60529, ISO 20653
- MOQ: 1
- Delivery Period: 25 working days
Rain Test Equipment Description
JIS D 5020- JIS C 0920 Rain Test Equipment
The Rain Test Equipment is a professional multi-function rain test chamber manufactured by KingPo. It is designed to perform the complete series of waterproof tests defined in JIS D 0203, JIS C 0920, SAE J575 and IEC 60529, from IPX1/IPX2 dripping water to IPX9K high-pressure steam-jet cleaning.
The system integrates a large drip board for IPX1/IPX2, oscillating tubes (R200 and R400) for IPX3/IPX4, high-pressure nozzles for IPX5/IPX6/IPX9K, and an immersion tank for IPX7/IPX8, all in one compact and efficient unit. It is widely used for testing automotive parts such as headlights, blinkers, sensors and electronic modules, as well as luminaires, electrical enclosures and outdoor equipment. The PLC-controlled system with color touchscreen enables precise adjustment of drip rate, swing angle, flow rate and test duration, ensuring repeatable and traceable results that meet strict certification requirements.
KingPo Factory Advantages
KingPo is an ISO 9001, ISO 14001 and ISO 45001 certified manufacturer specializing in ingress protection and environmental testing equipment. With over a decade of experience serving global automotive OEMs, certification laboratories and testing organizations, we have delivered numerous Rain Test Equipment units worldwide. Every system undergoes rigorous factory calibration and is supplied with comprehensive documentation, on-site installation guidance, a full one-year warranty and lifetime technical support from our Dongguan facility.
Professional Construction & Technical Precision
Key features include:
- 800 ร 800 mm drip board with adjustable drip rate for IPX1/IPX2
- Oscillating tubes (R200 and R400) with precise swing angles for IPX3/IPX4
- High-pressure nozzles (6.3 mm / 12.5 mm) with accurate flow control for IPX5/IPX6/IPX9K
- Robust SUS304 stainless steel construction and tempered glass observation window
- PLC + color touchscreen controller for programmable test sequences and real-time monitoring
- Comprehensive safety protections including leakage, overload and short-circuit protection
These technical elements ensure high accuracy, excellent repeatability and full compliance with JIS D 0203, JIS C 0920, SAE J575 and IEC 60529 requirements.

Technical Parameters
Core Test Parameters
| Parameter | Specification | Remark / Notes |
|---|---|---|
| Drip Board Area (IPX1/IPX2) | 800 ร 800 mm | Aperture 0.4 mm, pitch-row 20 ร 20 mm; adjustable drip rate 1 mm/min (IPX1) or 3 mm/min (IPX2) per JIS D 0203 |
| Oscillating Tubes (IPX3/IPX4) | R200 mm and R400 mm | Swing angle 120ยฐ (IPX3) or 350ยฐ (IPX4), user-defined; inner diameter 15 mm, hole pitch 50 mm, flow per hole 0.07 L/min |
| IPX5 Nozzle Diameter | 6.3 mm | Flow rate 12.5 ยฑ 0.62 L/min, pressure adjustable per IEC 60529 / JIS C 0920 |
| IPX6 Nozzle Diameter | 12.5 mm | Flow rate 100 ยฑ 5 L/min, pressure adjustable per IEC 60529 / JIS C 0920 |
| IPX9K High-Pressure Jet | 8,000โ10,000 kPa | Flow rate 14โ16 L/min; steam-jet cleaning simulation |
| Turntable Speed | 1 RPM (adjustable) | 15ยฐ tilt angle available; max load 50 kg |
| Test Duration | 0โ9999 minutes | Programmable via PLC with automatic stop and alarm |
| Internal Volume | 1000 ร 1000 ร 1000 mm | Suitable for most automotive and luminaire specimens |
| Parameter | Specification | Remark / Notes |
|---|---|---|
| Control System | PLC with 7-inch color touchscreen | Real-time monitoring of flow, pressure, rotation speed and test cycles; frequency-conversion technology |
| Power Supply | AC 380V 50 Hz | Stable industrial three-phase power requirement |
| Safety Protections | Leakage, overload, short-circuit, water shortage, emergency stop | Comprehensive interlocks for operator and equipment safety |
| Material | SUS304 stainless steel (inner liner and outer box) | Corrosion-resistant, easy to clean and maintain |
| Water Temperature Control | Adjustable (chamber & water tank) | Optional customization to suppress temperature rise during long tests |
The Rain Test Equipment supports critical stages in product development and quality assurance. Automotive engineers use it to validate headlights, blinkers, sensors and electronic modules under real-world rain and spray conditions. Certification laboratories rely on its precise control to generate traceable data for JIS, SAE and IEC compliance. Production teams perform batch verification to prevent field failures caused by water ingress. The equipment also enables failure analysis by replicating specific environmental stresses, helping manufacturers identify and eliminate design weaknesses early.

Procurement Benefits
Integrated multi-function design with precise flow, pressure and rotation control delivers consistent, repeatable results with minimal operator intervention. Robust stainless steel construction ensures long-term reliability and low maintenance costs. This Rain Test Equipment strengthens ingress protection validation across multiple international standards and minimizes quality risks, ultimately reducing warranty claims and accelerating time-to-market for reliable automotive and electrical products. Contact us today for your quote โ we will respond within 24 hours with detailed technical specifications and pricing.
Rain Test Equipment Applications
- Automotive Parts โ Headlights, blinkers, sensors and electronic modules
- Luminaires and Lighting Products โ Full IPX1 to IPX9K waterproof testing
- Electrical and Electronic Enclosures โ Ingress protection verification
- Mobile Devices and Outdoor Equipment โ Durability evaluation under rain and spray conditions
- Certification Laboratories โ Compliance testing per JIS D 0203, JIS C 0920, SAE J575 and IEC 60529
Compliance & Regulatory Assurance
This equipment is strictly designed and manufactured in accordance with JIS D 0203, JIS C 0920, SAE J575 and IEC 60529 for ingress protection testing (IPX1 to IPX9K). It provides a controlled environment to simulate dripping, spraying, splashing, high-pressure jetting and immersion conditions for accurate evaluation of enclosure protection performance, thereby ensuring long-term reliability and safety in automotive, electrical and industrial applications.
For further details on the IP Code system and testing methodology, please refer to the IP Code on UL.
Calibration certificates are available at additional cost. Regular verification of flow rate, pressure and temperature is recommended to maintain traceability.
Technical Inquiry for Rain Test Equipment
KingPo specializes in ingress protection and environmental testing equipment. If you require precise IPX1 to IPX9K testing for automotive parts, luminaires or electrical products, our engineering team can provide customized configurations and technical support.
The Core Value We Deliver to You
- Integrated IPX1 to IPX9K testing in one compact chamber
- Oscillating tubes R200 and R400 for flexible IPX3/IPX4 testing
- Precise drip rate, oscillating tube and high-pressure nozzle control
- PLC touchscreen for easy programming and real-time monitoring
- Robust SUS304 stainless steel construction with safety protections
- Reliable compliance with JIS D 0203, JIS C 0920, SAE J575 and IEC 60529
Tell us your product types, required IP rating or test volume โ our engineering team will reply with tailored recommendations within 24 hours.
Comparison of IP Code 2nd Characteristic Number
| IP Code | IEC 60529
(Degrees of protection provided by enclosures) |
DIN 40050
(IP-Schutzarten) |
ISO 20653
(Road vehicles – Degrees of protection (IP-Code) Protection of electrical equipment foreign objects, water and access |
JIS D 5020
JIS C 0920 |
|---|---|---|---|---|
| IPX1 | Drip box (Drop water test equipment)
1mm/min |
Drip
1mm/min, Nozzle hole ฯ0.4mm |
Water drips vertically
1mm/min, Nozzle hole ฯ0.4mm |
Vertical falling water droplets
1mm/min, Nozzle hole ฯ0.4mm |
| IPX2 | Drip box (Drop water test equipment)
3mm/min, Outer 15ยฐ, Slope |
Drip
3mm/min, Nozzle hole ฯ0.4mm, Outer 15ยฐ, Slope |
Water drips with enclosure inclined by 15ยฐ
3mm/min, Nozzle hole ฯ0.4mm, Outer 15ยฐ, Slope |
Vertically falling water droplets
on the outer shell inclined within 15ยฐ 3mm/min, Nozzle hole ฯ0.4mm, Outer 15ยฐ, Slope |
| IPX3 | Spray nozzle
ยฑ 60ยฐ with respect to the vertical direction, hole diameter ฯ0.5 mm |
Oscillating tube
ยฑ 60ยฐ with respect to the vertical direction, sprinkler hole ฯ0.4mm |
Spray nozzle
ยฑ 60ยฐ with respect to the vertical direction, hole diameter ฯ0.5 mm |
Oscillating tube / Shower tube / Swivel tube / Shower nozzle
ยฑ 60ยฐ with respect to the vertical direction, sprinkler hole ฯ0.4mm |
| IPX4 | ยฑ 180ยฐ with respect to the vertical direction, hole diameter ฯ0.5 mm | ยฑ 180ยฐ with respect to the vertical direction, sprinkler hole ฯ0.4mm | ยฑ 180ยฐ with respect to the vertical direction, hole diameter ฯ0.5 mm | ยฑ 180ยฐ with respect to the vertical direction, sprinkler hole ฯ0.4mm |
| IPX4K | – | – | – | ยฑ 180ยฐ with respect to the vertical direction, sprinkler hole ฯ0.8mm |
| IPX5 | Water jet nozzle
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 12.5L/min |
Water jet
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 12.5L/min, 30kPa |
High-velocity water
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 12.5L/min, 30kPa |
Water jet
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 12.5L/min, 30kPa |
| IPX6 | Water jet nozzle
Nozzle hole ฯ12.5mm, distance 2.5๏ฝ3m, 100L/min |
Strong water jet
Nozzle hole ฯ12.5mm, distance 2.5๏ฝ3m, 100L/min, 100kPa |
Strong high-velocity water
Nozzle hole ฯ12.5mm, distance 2.5๏ฝ3m, 100L/min, 100kPa |
Strong high-velocity water
Nozzle hole ฯ12.5mm, distance 2.5๏ฝ3m, 100L/min, 100kPa |
| IPX6K | ใผ | Strong water jet
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 75L/min, 1000kPa |
Strong high-velocity water with increased pressure
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 75L/min, 1000kPa |
Strong high-velocity water with increased pressure
Nozzle hole ฯ6.3mm, distance 2.5๏ฝ3m, 75L/min, 1000kPa |
| IPX7 | Immersion tank
0.15m from the top of the outer shell to the water surface, 1m from the bottom to the water surface. |
Temporary immersion in water
0.15m from the top of the outer shell to the water surface, 1m from the bottom to the water surface. |
Temporary immersion in water
0.15m from the top of the outer shell to the water surface, 1m from the bottom to the water surface. |
Temporary immersion in water
0.15m from the top of the outer shell to the water surface, 1m from the bottom to the water surface. |
| IPX8 | Immersion tank
Water level conditions are subject to consultation. |
Continuous immersion in water
The water tank and water level are agreed upon by the parties. |
Continuous immersion in water
The water tank and water level are agreed upon by the parties. |
Continuous immersion in water
The water tank, water level, and procedure are agreed between the parties. |
| IPX9K | ใผ | Water during high-pressure / steam-jet cleaning
14๏ฝ16L/min, 8,000๏ฝ10,000kPa |
Water during high-pressure / steam-jet cleaning
14๏ฝ16L/min, 8,000๏ฝ10,000kPa |
Water during high-pressure / steam-jet cleaning
14๏ฝ16L/min, 8,000๏ฝ10,000kPa |
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