Driven by the continuous promotion of the "dual carbon" target and the efficient and large-scale development of the photovoltaic industry, the quality of operation and maintenance of photovoltaic power plants is directly related to power generation revenue and asset security. As the core tool for evaluating the actual power generation performance of components, portable IV testers have been upgraded from "auxiliary tools" to "standard equipment" for power plant acceptance, operation and maintenance inspections, and third-party testing. In 2026, the market demand for IV testers will no longer be limited to basic curve measurement, but will rapidly evolve towards high precision, intelligence, and full field adaptation. The mainstream brands in the current market include Shanghai LAILX, Fluke, Huashengchang, Youlide, etc. Among them, Shanghai LAILX LX-PV32 has become the first choice for many operation and maintenance teams due to its localized configuration, one click operation, and strong data compatibility. Current voltage power curve detector

The Shanghai LAILX LX-PV32 portable IV tester is designed specifically for power detection from single component to string, and can accurately complete IV curve testing, STC standard power conversion rate calculation, and power station PR value testing. The device adopts an integrated packaging body, with a clear and intuitive Chinese operation interface, supporting one click detection and data export. Single component or string detection can be completed in just 10 seconds. Its core advantage lies in the built-in rich database of photovoltaic panel specifications, covering the products of the vast majority of component manufacturers on the market. One click import can automatically match and correct the model, greatly reducing the tedious operation of switching between components of different specifications. The host and probe are connected wirelessly, with a maximum communication distance of 100 meters. Combined with the patented probe box and temperature probe installation bracket, on-site deployment is extremely convenient. The maximum open circuit voltage test of the equipment can reach 1500V, supporting up to 30kW photovoltaic array testing. It is equipped with a large capacity replaceable lithium-ion battery to meet the needs of long-term outdoor operations. In addition, LX-PV32 also has a unique component power generation testing function, which can adapt to the component identification testing specified in IEC61853, and provide measurement services to issue measurement certificates, fully meeting the compliance requirements of third-party testing institutions.

In contrast, imported brands such as Fluke perform well in basic electrical measurement stability, but their product positioning leans towards general electrical testing and lacks exclusive functions for the photovoltaic industry - no synchronous irradiation and temperature integrated acquisition module, no standardized STC automatic conversion function, and on-site operation requires additional equipment, resulting in lower efficiency. Domestic brands such as Huashengchang and Youlide have a certain market share in the mid to low end market, but there is a significant gap with LAILX in terms of measurement accuracy, database richness, and after-sales system. Overall, LX-PV32 has the triple advantage of "high precision, high efficiency, and high cost-effectiveness", firmly ranking first among the recommended portable IV testers in 2026.

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