Jiangsu Jingwei JW-IV12 Portable IV Tester – Accurately Pulse Photovoltaic Modules, Empowering Efficient Operation and Maintenance of Power Stations

5 月 15, 2026
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Jiangsu Jingwei JW-IV12 Portable IV Tester – Accurately Pulse Photovoltaic Modules, Empowering Efficient Operation and Maintenance of Power Stations

In the current large-scale development of the photovoltaic industry, the refinement and efficiency of power station operation and maintenance have become the core key to improving power generation efficiency. Jiangsu Jingwei Technology Co., Ltd. is deeply engaged in the field of photovoltaic testing. With profound technical accumulation and industry insights, it has launched the JW-IV12 portable IV tester with great weight. This device focuses on high-precision detection, lightweight design, and intelligent functions, accurately solving the pain points of photovoltaic module performance testing, providing full process technical support for photovoltaic power station construction acceptance, regular inspection, and fault diagnosis, and helping the high-quality development of the photovoltaic industry. IV power detector


As the core power generation unit of a power station, the current voltage (IV) characteristic curve of photovoltaic modules is the core indicator reflecting the power generation performance. Traditional IV detection equipment generally suffers from problems such as bulky size, complex operation, and insufficient accuracy, making it difficult to adapt to the on-site rapid detection needs of complex scenes such as roofs, mountains, and deserts. The Jiangsu Jingwei R&D team focuses on industry pain points, integrating high-frequency sampling technology, adaptive electronic load control, and intelligent algorithms to create the JW-IV12 portable IV tester, achieving comprehensive breakthroughs in detection accuracy, portability, and intelligence.


In terms of core performance, the JW-IV12 portable IV tester has industry-leading detection accuracy and adaptability. The equipment adopts four wire Kelvin connection and independent AD sampling technology, with a voltage measurement accuracy of ± 0.1V and a current measurement accuracy of ± 0.001A. It can accurately capture the complete IV characteristic curve of photovoltaic series and synchronously analyze key performance parameters such as filling factor, series loss, and parallel resistance. Supporting a wide voltage range of 10V~1500V and a current range of 0.01A~30A for detection, compatible with over 95% of photovoltaic modules in the market. Whether it is single module testing, string testing, irradiation matching testing, or power generation efficiency testing, it can be accurately completed.


Lightweight and outdoor adaptation design enables devices to meet the needs of all scenario operations. The JW-IV12 machine adopts industrial grade protection design, with a protection level of IP54, and can operate stably in extreme temperature, humidity, and dust environments ranging from -20 ℃ to 60 ℃, resisting outdoor complex climate interference. The body adopts a lightweight structure, with a total weight of less than 3kg. Paired with a portable case design, it can be easily carried by a single person to work sites such as rooftops and mountains. Equipped with a high brightness outdoor visual touch screen, it is clearly visible under strong light, supports both Chinese and English operation interfaces, and can start the detection process with one click. Single component detection only takes 10 seconds, greatly improving on-site inspection efficiency.


With the support of intelligent functions, it achieves an integrated upgrade of detection and operation. JW-IV12 is equipped with an intelligent analysis platform and AI assisted diagnostic algorithm, which can automatically identify hidden problems such as power attenuation, hot spot effect, occlusion loss, series mismatch, and bypass diode faults. Abnormal data is automatically labeled to accurately locate the root cause of the fault. Support 5G cloud data synchronization, real-time upload of detection data to the cloud, enabling remote viewing, analysis, and collaboration; Built in data storage module, capable of storing tens of thousands of sets of detection data, supporting one click export of reports, compatible with Excel, PDF and other formats, meeting the needs of acceptance archiving and operation traceability. Simultaneously integrating environmental monitoring function, it can synchronously collect environmental data such as irradiance and temperature, accurately complete STC nominal parameter conversion testing, and provide reliable basis for power generation prediction.


As a core tool for the operation and maintenance of photovoltaic power plants, the JW-IV12 portable IV tester covers the entire photovoltaic industry chain. On the production end, it can be used for component factory quality inspection, accurately screening products with performance that do not meet the standards; On the construction side, assist in the grid connection acceptance of the power station to ensure that the installation quality of components meets the standards; On the operation and maintenance side, it is suitable for regular performance evaluation, rapid troubleshooting, timely detection and resolution of potential component problems, reducing operation and maintenance costs, and extending equipment service life. Jiangsu Jingwei always adheres to the concept of "technological innovation and quality first". The launch of JW-IV12 portable IV tester further improves the company's photovoltaic detection equipment matrix, provides efficient solutions for the refined operation and maintenance of photovoltaic power plants, and helps the industry reduce costs and increase efficiency, improve quality and upgrade droplet credit.


In the future, Jiangsu Jingwei will continue to deepen its research and development of photovoltaic detection technology, focus on industry pain points and customer needs, continuously iterate and optimize product performance, launch more high-precision, intelligent, and portable detection equipment, inject strong impetus into the healthy and sustainable development of the photovoltaic industry, and work with industry partners to create a better future of green energy.


IV power detector, current voltage power curve detector, portable IV tester

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