1. Purpose of IP Testing: Verify the protective function of product enclosures.
- Prevent human contact with dangerous internal components.
- Prevent solid foreign objects from entering the enclosure.
- Prevent harmfUL effects caused by water ingress into the enclosure.
2. Meaning of IP Protection Ratings: "International Protection," such as IP67.
- The first numeral (e.g., 6) indicates the dust protection level.
- The second numeral (e.g., 7) indicates the water protection level.

3. Dust Protection Levels and Requirements:
- IP0X: No protection; no requirements.
- IP1X: Protection against large objects (back of hand); 50 mm diameter probe must maintain sufficient distance from hazardous parts.
- IP2X: Protection against medium objects (finger); 12.5 mm diameter, 80 mm long articulated probe must maintain sufficient clearance from hazardous parts.
- IP3X: Protection against tools; 2.5 mm diameter probe must not penetrate the enclosure.
- IP4X: Protection against wires; 1 mm diameter probe must not penetrate the enclosure.
- IP5X: Dust protected; dust must not interfere with normal operation and safety.
- IP6X: Dust tight; no dust ingress.
4. Water Protection Levels and Requirements:
- IPX0: No protection; no requirements.
- IPX1: Protection against vertical water drops; no harmful effects from vertical dripping water.
- Water flow: 1 mm/min
- Turntable speed: 1 rpm
- Test duration: 10 min
- IPX2: Protection against water drops when tilted at 15°; no harmful effects with enclosure tilted 15°.
- Water flow: 3 mm/min
- Test angle: 15° to vertical
- Duration: 2.5 min per surface
- IPX3: Protection against spraying water; no harmful effects from spraying water at 60° angle.
- Water flow: 0.07 L/min per nozzle
- Distance: 200 mm
- Test duration: 10 min
- IPX4: Protection against splashing water; no harmful effects from splashing water.
- Same flow and test conditions as IPX3, with 360° arc coverage.
- IPX5: Protection against water jets; no harmful effects from water jets.
- Flow: 12.5±0.625 L/min
- Nozzle diameter: 6.3 mm
- Distance: 2.5–3 m
- Test duration: 3 min
- IPX6: Protection against powerful water jets; no harmful effects from powerful water jets.
- Flow: 100±5 L/min
- Nozzle diameter: 12.5 mm
- Same conditions as IPX5
- IPX7: Protection against immersion; no harmful effects from immersion at 1 m depth for 30 min.
- Enclosure point below water surface: 1000 mm minimum.
- IPX8: Protection against prolonged immersion; custom-defined depth and duration exceeding IPX7.
- Conditions set by manufacturer.
- IPX9: Protection against high-temperature/high-pressure water jets.
- Angles: 0°, 30°, 60°, 90°
- Temperature: 80°C
- Distance: 175±25 mm
- Flow: 15±1 L/min
- Test duration: 30 s per angle
5. Applicable Standards:
- General Products: GB/T 4208-2017, IEC 60529:2013
- Lighting: GB 7000.1-2015, iec 60598-1:2014
- Automotive Products: GB/T 30038-2013, ISO 20653:2013
6. Laboratory Testing Capabilities:
- One IPX1~IPX9 water protection testing system (including IPX4K and IPX6K).
- Two dust testing chambers (1 cubic meter capacity each).
If your product requires IP69K testing services, feel free to contact us!
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