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What are the test items for waterproof connectors?

2025-08-28

To ensure the quality and reliability of waterproof connectors, a series of performance tests must be conducted to evaluate their electrical, mechanical, and environmental durability. Below are the key test items and requirements:

latest company news about What are the test items for waterproof connectors?  0
1. Dielectric Withstanding Voltage
  • Standard: GJB1217-1991, Method 1005
  • Condition: Room temperature and pressure
  • Test: Apply AC 1500V/50Hz between conductors and insulation for 1 minute.
  • Requirement: No breakdown or arcing; leakage current < 2mA.
2. Insulation Resistance
  • Standard: GJB1217-1991, Method 1005
  • Condition: Room temperature and pressure
  • Test: Apply DC 500V between conductors and insulation.
  • Requirement: Insulation resistance > 1000 MΩ.
3. Contact Resistance
  • Condition: Room temperature and pressure, connectors mated
  • Requirement: Contact resistance ≤ 10 mΩ.
4. Salt Spray Test
  • Standard: GJB1217-1991, Method 1001
  • Test: Expose unmated connectors to a 5% NaCl solution at 35±2°C for 48 hours.
  • Requirement: No corrosion affecting performance.
5. Waterproof Performance
  • Condition: Room temperature and pressure
  • Test: Immerse mated connectors with tightened nuts in 1m deep water for 4 hours.
  • Requirement: No water leakage internally. After air-drying for 30 minutes, dielectric strength, insulation resistance, and contact resistance must meet specifications.
6. Contact Separation Force
  • Requirement: Single-pin separation force: 1.0–4.0 N.
7. Mechanical Life
  • Standard: GJB1217-1991, Method 2016
  • Test: Mate and unmate connectors 3000 times.
  • Requirement: Slight wear on plating allowed without exposing base metal. No mechanical damage affecting performance. Contact resistance must remain compliant after testing.
8. Temperature Endurance
  • Test: Apply current gradually up to the rated maximum. Increase temperature to the specified maximum and maintain for 250 hours.
  • Requirement: Connectors must function normally.
9. Intermateability
  • Requirement: Free and fixed connectors of the same model must mate and separate fully without issues.
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Company news about-What are the test items for waterproof connectors?

What are the test items for waterproof connectors?

2025-08-28

To ensure the quality and reliability of waterproof connectors, a series of performance tests must be conducted to evaluate their electrical, mechanical, and environmental durability. Below are the key test items and requirements:

latest company news about What are the test items for waterproof connectors?  0
1. Dielectric Withstanding Voltage
  • Standard: GJB1217-1991, Method 1005
  • Condition: Room temperature and pressure
  • Test: Apply AC 1500V/50Hz between conductors and insulation for 1 minute.
  • Requirement: No breakdown or arcing; leakage current < 2mA.
2. Insulation Resistance
  • Standard: GJB1217-1991, Method 1005
  • Condition: Room temperature and pressure
  • Test: Apply DC 500V between conductors and insulation.
  • Requirement: Insulation resistance > 1000 MΩ.
3. Contact Resistance
  • Condition: Room temperature and pressure, connectors mated
  • Requirement: Contact resistance ≤ 10 mΩ.
4. Salt Spray Test
  • Standard: GJB1217-1991, Method 1001
  • Test: Expose unmated connectors to a 5% NaCl solution at 35±2°C for 48 hours.
  • Requirement: No corrosion affecting performance.
5. Waterproof Performance
  • Condition: Room temperature and pressure
  • Test: Immerse mated connectors with tightened nuts in 1m deep water for 4 hours.
  • Requirement: No water leakage internally. After air-drying for 30 minutes, dielectric strength, insulation resistance, and contact resistance must meet specifications.
6. Contact Separation Force
  • Requirement: Single-pin separation force: 1.0–4.0 N.
7. Mechanical Life
  • Standard: GJB1217-1991, Method 2016
  • Test: Mate and unmate connectors 3000 times.
  • Requirement: Slight wear on plating allowed without exposing base metal. No mechanical damage affecting performance. Contact resistance must remain compliant after testing.
8. Temperature Endurance
  • Test: Apply current gradually up to the rated maximum. Increase temperature to the specified maximum and maintain for 250 hours.
  • Requirement: Connectors must function normally.
9. Intermateability
  • Requirement: Free and fixed connectors of the same model must mate and separate fully without issues.