证券日报网1月26日讯，四方光电在接受调研者提问时表示，在工业及安全业务板块，除冷媒泄漏监测 传感器产品外，公司也重点围绕锂电池、农业种植、食品工业等关键领域推出了具有竞争力的新产品。 在锂电池领域，公司推出了露点传感器与NMP传感器等产品。其中，基于NDIR技术的NMP传感器，凭 借免维护、寿命长等优势展现出了强大的竞争力，其实现国产化不仅有助于降低客户成本、保障供应链 稳定，目前也在国内头部电芯生产企业及涂布机厂商中实现批量配套。在农业种植与食品工业等领域， 公司推出了抗高湿CO变送器。该产品能够在高温、高湿及存在化学腐蚀的恶劣环境下长期稳定工作， 实现了对复杂工况下气体浓度的可靠监测，为客户提供了更持久、更经济的监测解决方案，兼顾了安全 性与经济效益。 ...

Core Insights - The Chinese dew point sensor industry is experiencing significant structural opportunities and market expansion driven by the deepening industrial automation process, stricter environmental policies, and rapid growth in the new energy sector. The market size is projected to reach approximately 1.259 billion yuan in 2024, representing a year-on-year growth of 7.70% [1][5]. Industry Overview - Dew point sensors are instruments that directly measure dew point temperature, which indicates the absolute humidity level. They are categorized into various types based on their working principles, including cold mirror, capacitive, resistive, semiconductor, and others [2][4]. Industry Value Chain - The upstream of the dew point sensor industry includes materials such as aluminum oxide, silicon oxide, and integrated circuits. The midstream involves the manufacturing of dew point sensors, while the downstream applications span industrial environment monitoring, meteorology, food and pharmaceutical processing, aerospace, and more [4]. Market Size - The market for dew point sensors in China is expected to grow to approximately 1.259 billion yuan in 2024, with a growth rate of 7.70%. This growth is primarily driven by advancements in high-end manufacturing processes, rigid demand for environmental monitoring systems, and enhanced humidity control standards in lithium battery and photovoltaic sectors [5][6]. Key Companies - The industry features a diverse competitive landscape, with notable companies such as Aosong Electronics and Guangdong Dajia Sensor Technology. Aosong's ACM483T-A precision dew point meter utilizes optical cold mirror technology, while Dajia's sensors are designed for high precision and rapid response times [6][7][8]. Industry Development Trends 1. **Technological Integration**: The industry is expected to integrate MEMS technology, AI algorithms, and IoT, leading to advancements in high precision and smart features. This includes real-time data correction and fault warning capabilities [9]. 2. **Emerging Sector Demand**: New energy vehicles, semiconductor manufacturing, and biomedicine are anticipated to drive demand for dew point sensors, with applications in battery thermal management and cleanroom humidity control [10]. 3. **Self-sufficient Supply Chain**: The industry faces challenges related to reliance on imported high-end materials and algorithms. Future policies and collaborations are expected to promote domestic production and reduce dependency on imports [11].