Core Viewpoint - The article emphasizes the critical role of oxygen-hydrogen detection equipment in the electrolysis of water for hydrogen production, highlighting its importance for safety and efficiency in the hydrogen energy industry [3][23]. Summary by Sections Electrolysis of Water for Hydrogen Production - Electrolysis of water is identified as the core technology for green hydrogen production, essential for global energy transition and achieving carbon neutrality goals [3]. - Ensuring safety and high purity of the produced hydrogen is crucial, which relies on oxygen-hydrogen detection equipment [3]. Importance of Oxygen-Hydrogen Detection Equipment - Oxygen-hydrogen detection equipment is vital for monitoring hydrogen concentration in oxygen, preventing potential explosions when hydrogen levels exceed safety thresholds [4]. - The equipment also aids in optimizing production processes by ensuring that the oxygen purity reaches at least 99.5%, indicating the efficiency of the electrolysis process [4][5]. Domestic Companies in the Hydrogen Detection Equipment Sector - Several domestic companies are actively developing oxygen-hydrogen detection equipment, contributing to the hydrogen energy sector: - **Hitachi Xin Co., Ltd.**: Established in 1997, it offers a range of hydrogen detection products, including the RMT-H2 online oxygen-hydrogen analyzer [7]. - **Xi'an Noco Instruments Co., Ltd.**: Founded in 2008, it specializes in gas analysis instruments, including the NK-202E oxygen-hydrogen analyzer [9][10]. - **Zhengzhou Dibang Technology Co., Ltd.**: Established in 2009, it produces the DBZX-510Y-H2 online oxygen-hydrogen analyzer, known for its high precision and stability [11]. - **Xi'an Yingrun Environmental Technology Group**: Founded in 2009, it developed the ERUN-QZ9121 analyzer for monitoring hydrogen concentration in oxygen [13]. - **Shenzhen Honey Eagle Technology Co., Ltd.**: Focuses on gas detection and monitoring systems, offering the HNAG1000-H2-F online hydrogen detector [15]. - **Hunan Tuoan Instruments Co., Ltd.**: Provides optical gas analyzers and solutions for hydrogen detection [16][17]. - **Walter Electronics (Suzhou) Co., Ltd.**: Develops safety monitoring products, including the Xgard Bright-H2/O2 series analyzers [18][19]. - **Nanjing Ingram Instrument Technology Co., Ltd.**: Specializes in oxygen-hydrogen analysis systems for various industries [20]. - **Chengdu Hongrui Tao Technology Co., Ltd.**: Offers the HT-FX100-H2 analyzer for real-time monitoring of hydrogen concentration [21]. - **Xi'an Runlai Instrument Co., Ltd.**: Develops high-precision oxygen-hydrogen analyzers for industrial applications [22]. Conclusion - The rapid development of the hydrogen energy industry and advancements in electrolysis technology underscore the significance of oxygen-hydrogen detection equipment, which is crucial for ensuring safety and optimizing production processes [23].