Wet leakage current test system of photovoltaic module

Produced by: Standard International Group (HK) Limited

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Whats/App: +86 156 1874 6768

Web: standard-groups.com

Application

The system is applicable to multiple testing scenarios for PV modules:

Humidity Resistance Testing: Assess insulation performance under wet conditions.

Environmental Simulation: Simulate rain, fog, dew, and melting snow to verify module safety.

Junction Box and Circuit Waterproofing: Evaluate internal circuit protection against moisture ingress.

PV Module Certification Testing: Compliant with IEC 61215.

Durability Assessment: Evaluate long-term performance under humid environments.

R&D Verification: Test insulation and anti-leakage designs in the development stage.

Power Safety Testing: Ensure module reliability in electrical applications.

IEC 61215 – Crystalline Silicon Photovoltaic Module Design Qualification and Type Approval

Item	Technical Parameter
Test Tank Size	2100 × 1000 × 250 mm (W×D×H), thickness 15 mm
Tank Material	Acrylic (Transparent)
Temperature Control	Self-developed constant temperature system, 22 ±3℃
Liquid Resistivity	< 3500 Ω·cm
Spray System	3 × UL laboratory spray nozzles, each with water pressure gauge and flow adjustment valve
Insulation Test Instrument Output Voltage	0–5000 V adjustable
Maximum Leakage Current	5 mA
Voltage Ramp Rate	500 V/s
Insulation Resistance Measurement Range	1 MΩ – 9999 MΩ
Leakage Current Measurement Range	0.001 – 5.000 mA DC
Control Precision	High-precision conductivity meter and constant temperature control
Sample Capacity	Customizable according to fixture, supports multiple modules simultaneously

Insulation Test Instrument: Output 0–5000 V, leakage current measurement 0.001–5 mA.

Water Temperature Control Box: Maintains tank at 22 ±3℃.

Spray System Rack: Supports multi-angle spraying, includes 3 UL nozzles.

Insulation Tank: Acrylic, transparent for observation.

Conductivity Meter: Monitors liquid resistivity in real-time.

Sample Fixture: Can secure multiple modules for testing.

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