Photovoltaic Module Insulation Resistance chamber
Application
The tester is applicable in various PV module testing scenarios:
Crystalline silicon PV module insulation performance evaluation
Thin-film PV module insulation resistance testing
Design verification and type testing of PV modules
Factory inspection and production process quality control
Re-measurement of insulation after damp-heat, wet-freeze, or aging tests
Third-party testing and certification laboratories
Electrical safety performance assessment during R&D of PV modules
Standards
The tester is designed to comply with key national and international standards:
(1) GB/T 9535 – Crystalline Silicon Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval
(2) IEC 61215 – Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval
Parameters
| Item | Technical Specification |
|---|---|
| Test Parameters | Insulation Resistance & Leakage Current |
| Insulation Resistance Range | 100 kΩ – 10 TΩ (10⁵ – 10¹³ Ω) |
| Basic Accuracy of Insulation Resistance | <1 GΩ: 1%; ≥1 GΩ: 3%; ≥10 GΩ: 5%; ≥1 TΩ: 10% |
| DC Test Voltage Output | 1.0 – 1000 VDC (negative polarity) |
| Voltage Step | <100 V: 0.1 V; ≥100 V: 1 V |
| Voltage Output Accuracy | 1% |
| Maximum Charging Current | 30 mA ± 5 mA |
| Range Selection | Six automatic/manual ranges |
| Test Speed | High: 55 times/s; Medium: 25 times/s; Low: 3 times/s |
| Timer Function | 0 – 999.9 s adjustable |
| Trigger Modes | Internal, Manual, External, Remote |
Features
Simultaneous measurement of insulation resistance and leakage current for comprehensive PV module safety assessment
Wide measurement range from kΩ to TΩ, suitable for various modules and testing stages
Continuously adjustable test voltage complying with IEC 61215 requirements
Built-in precise timing control for repeatable testing conditions
High-contrast VFD display showing multiple parameters simultaneously
Comparator function for rapid pass/fail evaluation of modules
Supports RS232C and SCPI commands for system integration and automated testing
Accessories
(1) Insulation resistance tester main unit with display and control system
(2) High-voltage test leads for module conductive parts
(3) Grounding test leads for module frame or exposed conductive parts
(4) Test fixture for connecting electrodes and frame
(5) RS232 communication cable for data transfer
(6) Optional handler interface for integration with sorting/automation systems
(7) Consumable high-voltage test leads for long-term replacement
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