Appearance defects of photovoltaic modules (such as cracks, bubbles, delamination, etc.) may intensify during subsequent tests and have an adverse impact on the performance of the modules.

Wet Leakage Current Tester is used to verify the influence of moisture caused by rain, fog, dew or melting snow on the circuit caused by corrosion, leakage or safety accidents,ensure that the insulation performance of the module complies with the standards.

The EL tester for photovoltaic modules in the laboratory is a high-precision detection device based on the principle of electroluminescence (EL). It is mainly used to evaluate the internal defects and performance of photovoltaic modules, ensuring the product quality and reliability.

The Millennial PV Module UV Preconditioning Chamber for photovoltaic modules is a specialized device used to simulate the ultraviolet radiation in the natural environment and conduct accelerated aging tests on photovoltaic modules.

The Millennial Steady State Solar Simulator uses metal halide lamps that can simulate full - spectrum light sources to reproduce the destructive light waves present in different environments. It can provide corresponding environmental simulation and accelerated tests for the product development and quality control of photovoltaic modules.

The current continuity test system is for IEC61215 standard 10.11 high and low temperature cycle experiment clause, 10.12 wet freezing experiment clause. Mainly includes the provision of stable direct current, current recording, temperature recording and temperature control functions, through the temperature control of the DC power supply, the multi-channel current, multi-channel temperature long-term real-time monitoring.

Long-term leakage current will cause changes in the state of the cell carriers and depletion layer,corrosion of the contact resistance in the circuit,and electrochemical corrosion of packaging materials.This results in cell power attenuation,increased series resistance,reduced light transmittance,delamination and other phenomena that affect the long-term power generation and life of the module.

The Bypass Diode Tester is a core inspection device specifically designed for photovoltaic modules, which is used to evaluate the conduction performance, thermal stability, and durability of bypass diodes under extreme operating conditions. As the "safety valve" of photovoltaic modules, bypass diodes can effectively prevent the hot spot effect and ensure that the modules can still operate safely when there is partial shading or when solar cells fail.

During the application of solar cells, due to voltage drops, they may be reversely charged by other cell strings. If the reverse charging current does not reach the protection current of the cell string fuse, the module may be reversely charged for a long time, with the temperature continuously rising, thus damaging the module.

The Millennial Impulse Voltage Tester is a key device specifically designed to evaluate the insulation performance and reliability of photovoltaic modules under transient overvoltage conditions such as lightning strikes and switching surges.

The photovoltaic hipot insulation tester is a specialized device used to evaluate the insulation performance and withstand voltage capability of photovoltaic modules and electrical equipment. It mainly detects the leakage current, insulation resistance, and withstand voltage strength of these components in a high-voltage environment to ensure that the products meet the safety standards and prevent the risks of fires or equipment damage caused by insulation failures.

The Ground Continuity Tester is a key device specifically designed to evaluate the reliability of the grounding system of photovoltaic modules. Its main function is to detect the resistance value between the metal frame of the photovoltaic module, the junction box, and the grounding conductor, ensuring that the grounding continuity meets the safety standards.

ME-PV-HIG developed by Millennial Solar for photovoltaic industry automated testing systems, the ME-PV-HIG combines withstand voltage testing, insulation resistance measurement, and ground continuity verification in one advanced device. Standard with data acquisition software and supporting remote firmware updates via USB, it fully complies with photovoltaic standards IEC 61215 and IEC 61730.

Solar modules must withstand harsh climatic conditions during application. Among these, the high-temperature and high-humidity environment (DH test) is a core testing item for evaluating photovoltaic module reliability and material durability.

During the application process of solar modules, they will be subjected to the tests of various harsh weather conditions. Among them, the performance of the modules, such as their ability to withstand high temperature and high humidity as well as the subsequent impact of low temperature, and their ability to withstand long-term moisture penetration, needs to be evaluated. The HF test is carried out to verify and evaluate the reliability of the modules or materials, and to identify manufacturing defects at an early stage by inducing failure modes through thermal fatigue.

The Millennial Thermal Cycle Test Chambe is a reliability testing device specifically designed for solar modules. It accurately simulates a rapidly alternating environment of high and low temperatures to verify the performance, structural stability, and long-term durability of module products under extreme temperature conditions. Moreover, by inducing failure modes through thermal fatigue, it helps users detect potential defects in advance, thus improving product quality and market competitiveness.

Mechanical performance assessment is required for both photovoltaic (PV) modules and building - integrated photovoltaic (BIPV) systems. This assessment is a crucial step in ensuring the long - term functionality of these systems and optimizing commercial products. Performance tests are carried out through methods such as mechanical loading (ML), inhomogeneous mechanical loading (IML), and dynamic mechanical loading (DML) to verify the performance of PV modules under external mechanical loads, ensuring that the modules are free from visual damage and significant loss of electrical functionality.

The static mechanical load tester for photovoltaic modules is a specialized device used to simulate the static mechanical loads (such as wind pressure, snow pressure, ice accumulation, etc.) that photovoltaic modules bear during actual outdoor installation. By applying continuous pressure or tensile force, it evaluates the structural strength, material durability, and electrical performance stability of the modules.

During the operation of a photovoltaic (PV) system, PV modules face various environmental challenges, including hail. When hailstones strike the surface of PV modules at high speed, they may cause serious impacts such as surface damage, cell damage, and broken connection wires. Therefore, understanding the impact of hail on PV modules and the modules' impact - resistance capabilities is crucial for ensuring the reliability and durability of the PV system.

This test is for IEC61215 standard MQT14 in the design and development of the leading end strength test system, testing machine is divided into tensile testing machine, torsion testing machine, adhesion testing machine 3 products.

The module breakage tester is a specialized testing equipment dedicated to evaluating the impact resistance performance of photovoltaic modules (especially BIPV). Its core function is to simulate the scenarios of the glass surface being impacted by the human body or objects, and verify the safety of the modules under extreme mechanical loads.。

Solar panels have plastic materials on their surface. During any process of production, installation, and operation, they may be scratched when touched by sharp objects, affecting the insulation of the panels. In severe cases, the internal charged parts will be exposed, resulting in the risk of electric shock.