Jiangsu Jingwei JW-F04 Portable Irradiance Meter: Accurate Light Energy Capture, Assisting in Fine Management of Photovoltaic Energy Efficiency

6 月 11, 2026
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Jiangsu Jingwei JW-F04 Portable Irradiance Meter: Accurate Light Energy Capture, Assisting in Fine Management of Photovoltaic Energy Efficiency

As the core basic data for evaluating the power generation of photovoltaic power plants, optimizing system design, and formulating operation and maintenance strategies, the measurement accuracy of solar irradiance directly determines the accuracy of power generation prediction, the rationality of component selection, and the efficiency of operation and maintenance. Against the backdrop of the photovoltaic industry's transition towards precision and intelligence, the pain points of low accuracy, single parameters, and poor environmental adaptability of traditional irradiance meters are becoming increasingly prominent. Jiangsu Jingwei Technology relies on advanced sensing technology and environmental compensation algorithms to independently develop the JW-F04 portable irradiance meter. With high-precision measurement, multi parameter synchronous acquisition, and strong environmental adaptability as the core, it provides accurate data support for photovoltaic energy resource assessment, power plant performance monitoring, and efficiency analysis, empowering the fine management of photovoltaic energy efficiency. Portable irradiation system dosimeter


The JW-F04 is equipped with a high-precision secondary standard spectral response sensor, with a spectral response range that perfectly matches the sensitive band of photovoltaic modules. It can accurately measure four core parameters: total solar radiation, scattered radiation, reflected radiation, and effective irradiance of photovoltaic module planes. The measurement range is 0-2000W/㎡, with a resolution of 0.1W/㎡ and a measurement accuracy of ≤± 2%, meeting the national secondary metrology standard. The data accuracy far exceeds that of ordinary equipment in the industry. For outdoor complex environment, the equipment has built-in professional environment compensation algorithm, which can automatically eliminate the impact of temperature drift, spectral mismatch, and angle response error on the measurement results. Under complex weather conditions such as -30 ℃ to 70 ℃ extreme temperature, different light angles, rain, haze, strong light, etc., it can output stable and accurate measurement data, and solve the industry problems of poor environmental adaptability and large data fluctuations of traditional equipment. Simultaneously supporting rapid response measurement with a response time of ≤ 100ms, it can accurately capture short-term light fluctuations and adapt to the dynamic energy efficiency monitoring needs of photovoltaic power plants.


Lightweight and portable design allows light energy monitoring to break through scene limitations. The JW-F04 machine adopts an integrated lightweight structure, and the shell is made of high-strength aluminum alloy material, which is sturdy and durable with a weight of less than 5kg. It has a dustproof and waterproof rating of IP65 and can resist outdoor dust and rainwater invasion; Equipped with a portable suitcase and compact storage, it can be easily carried by a single person to any location in the power station, suitable for mobile monitoring of complex terrains such as mountains, rooftops, and water surfaces. The device is equipped with a large capacity lithium battery that supports 150 hours of ultra long energy storage power supply, meeting the long-term field monitoring needs; Simultaneously supporting external power supply, it can achieve 24-hour uninterrupted monitoring and adapt to long-term monitoring scenarios of power stations. Paired with an adjustable bracket, the sensor angle can be flexibly adjusted to ensure parallelism with the photovoltaic module plane, improving measurement accuracy; The operation interface is simple and intuitive, equipped with a high-definition LCD display screen, visible under strong outdoor light, one click start measurement, data recording, parameter switching, and can be quickly mastered without professional training.


Intelligent data management empowers the digital upgrade of photovoltaic operation and maintenance. JW-F04 has a built-in intelligent data acquisition and analysis platform that can record and store measurement data in real time. It also has a large capacity storage module that can store more than 100000 sets of data. It supports historical data tracing, trend analysis, and data comparison, making it easy for operation and maintenance personnel to grasp the dynamic changes in solar energy resources and provide scientific basis for power generation prediction, system efficiency calibration, and operation and maintenance strategy optimization. The device supports USB data export and 5G wireless transmission, and measurement data can be exported to Excel format with one click, suitable for data analysis software processing; It can be integrated with the photovoltaic operation and maintenance cloud platform to achieve real-time data upload, remote viewing, and abnormal warning, helping operation and maintenance personnel remotely monitor the distribution of solar energy and energy efficiency status of the power station, timely detect and handle abnormalities. At the same time, it can be combined with Jingwei Technology's photovoltaic detection equipment to achieve synchronous acquisition of multiple parameters such as irradiance, IV curve, EL imaging, etc., providing a complete data link for the comprehensive evaluation of photovoltaic power plant performance.


From site selection and survey of photovoltaic power stations, assessment of solar energy resources, system design verification, construction acceptance, daily performance monitoring, power generation accounting, and component efficiency analysis, the JW-F04 portable irradiance meter fully covers the entire process of solar energy monitoring needs in the photovoltaic industry, and is suitable for various photovoltaic projects such as large ground power stations, distributed rooftop power stations, fishery photovoltaic complementary power stations, and mountain power stations. Jiangsu Jingwei Technology focuses on the research and production of photovoltaic detection and monitoring equipment, always positioning "precision, efficiency, and reliability" as the core of its products. The launch of JW-F04 further improves Jingwei Technology's photovoltaic detection product matrix, providing a core tool for precise monitoring of solar energy in the photovoltaic industry. In the future, Jingwei Technology will continue to deeply cultivate photovoltaic environmental monitoring technology, continuously improve product accuracy and intelligence level, and help the photovoltaic industry achieve refined operation and maintenance, efficient power generation, and sustainable development.


Portable irradiation system thermometer, photovoltaic performance evaluation tool, portable photovoltaic PR testing system

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