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SPECIFICATION
| nternal Dimension | 600*600*600mm | 800*800*800mm | 1000*1000*1000mm |
| Extemal Dimension | 1100*800*1500mm | 1300*1000*1700mm | 1500*1100*1700mm |
| Oscillating Tube | Radius 200mm | Radus 300mm | Radius 400mm |
| nternal Chamber Material | Stainless Steel 304 | ||
| Extemal Chamber Materia | Stainless Stee Paint Coating | ||
| Observation Window | Waterproof Toughened Glass | ||
| Oscillating Angle | 40°、90°、120、360 | ||
| Oscillating Speed | PX3:2*120*for 4sIPX4:2*360*lor 12s | ||
| Spray Nozzle | 0.4mm(IPX3,IPX4),0.8mm(IPX4K) | ||
|
Distance Between Two Nozzles |
50mm | ||
| Turntable Diameter | 200mm | 300mm | 400mm |
|
Turntable Rotation Speed |
1-5 r/min | ||
|
Water Flow Of Each Nozzle |
Injector:0.07L/min±5%(IPX3&IPX4),0.6L/min±5%(IPX4) | ||
| Test Duration | 1~999,999min,Adjustable | ||
| Water Cycling System | Built-in Chamber Bottom For Recycling | ||
| Power Source | Single-phase,AC220V,50Hz | ||
1. Definitions and Test Criteria
Type
Spray Test Chamber
Rain Shower Tester
Test Purpose
Simulate high-intensity water column impact (e.g. heavy rain, sea waves, high-pressure rinsing).
Simulate natural rainfall or multi-directional splashing (e.g. light rain, medium rain, all-round drenching).
Corresponding IP rating
Mainly for IPX5 (water spray), IPX6 (intense water spray), IPX9K (high temperature and high pressure water spray).
Mainly for IPX3 (drenching), IPX4 (splashing), partially extended to IPX1-IPX2 (vertical dripping).
Core Standards
IEC 60529, ISO 20653 (IPX5/IPX6), ISO 20653 (IPX9K).
IEC 60529, GB 4208, ISO 20653 (IPX3/IPX4).

2. Device Design Comparison
Parameter
Spray test chamber
Rain shower test chamber
Water spray method
High-pressure nozzle directional spraying, water column concentration (e.g. IPX5: 6.3mm nozzle, 12.5 L/min; IPX6: 12.5mm nozzle, 100 L/min).
Pendulum pipe or nozzle array multi-angle spray (e.g. IPX3: 60 ° pendulum pipe; IPX4: 360 ° pendulum pipe), water flow dispersion.
Water pressure and flow rate
High pressure (IPX5: 30kPa, IPX6: 100kPa, IPX9K: 8-10MPa), high flow (up to 100 L/min or more).
Low pressure (atmospheric or low water pressure), lower flow rate (IPX3/IPX4: 10 L/min).
Structural features
Reinforced pressure-resistant design, high power pump, anti-splash baffle, high pressure sealing system.
Oscillating tube or rotating nozzle system, transparent viewing window, adjustable sample stage.
Testing distance
Nozzle distance from sample 2.5-3 meters (IPX5/IPX6).
Radius of the pendulum tube is typically 200-1600 mm, covering the sample surface.

3. Application Scenarios
Types
Typical Industries
Examples of products tested
Spray test chamber
Automobile, ship, military, outdoor heavy industrial equipment.
Lamps, charging piles, marine electronic equipment, engineering machinery control box (to verify the waterproofness under high-pressure water rinsing or rainstorm impact).
Rain Shower Test Chamber
Consumer electronics, home appliances, lamps, small outdoor equipment.
Smartphones, smartwatches, outdoor lamps and lanterns, security cameras (to verify the sealing under daily rain or splash environment).

4. Selection of key parameters
Spray Test Chamber
-
Pressure range: 30kPa (IPX5) to 10MPa (IPX9K).
-
Nozzle type: standard orifice (6.3mm, 12.5mm) or customized high temperature and high pressure nozzle.
-
Drainage capacity: Large capacity drainage system to prevent overloading of the chamber.
Rain shower test chamber
-
Pendulum coverage: angle (60°-360°), radius (200-1600mm).
-
Spray uniformity: density and distribution of spray holes in accordance with IEC 60529.
-
Extended functionality: optional drip module (IPX1/IPX2).

5. Example of operating procedure
Spray test chamber (IPX6 test)
1.
The sample is fixed on the test bench and the nozzle distance is adjusted to 3 meters.
2.
Start the high pressure water pump, adjust the water pressure to 100kPa, flow rate 100 L/min.
3.
Keep spraying for 3 minutes to check whether water is inside.
Rain shower test chamber (IPX4 test)
1.
The sample is placed in the center of the 360° pendulum tube.
2.
Set the flow rate at 10 L/min and the pendulum tube rotates at full speed.
3.
Test continuously for 10 minutes to evaluate all-round splash protection.

6. Maintenance and Calibration
Item
Spray Test Chamber
Rain Shower Tester
Routine Maintenance
Clean clogged nozzles, check high pressure line sealing.
Clean pendulum nozzle holes, check rotary motor lubrication.
Calibration focus
Water pressure sensor, flow meter, nozzle spray angle.
Pendulum angle, spray coverage, flow uniformity.
Water Quality Requirements
Deionized or purified water to prevent scale damage to the high pressure pump.
Filtered water is recommended to avoid clogging of spray holes.
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