GB/T 45796-2025Method for air negative ion concentration observation — Capacitance inhalation (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Meteorological Administration.

This document is under the jurisdiction of the National Technical Committee on Climate and Climate Change Standardization (SAC/TC 540).

This document was drafted by: China Meteorological Administration Meteorological Observation Center, Beijing Weidi Technology Development Co., Ltd., Beijing Xiangyuan Meteorological Observation Technology Research Institute, Hubei Meteorological Information and Technology Support Center (Hubei Meteorological Archives, New Generation Weather Radar Technology Support Wuhan Branch Center), Beijing Meteorological Observation Center, Forestry and Grassland Survey and Planning Institute of the State Forestry and Grassland Administration, Zhejiang Atmospheric Observation Technology Support Center, Yunnan Atmospheric Detection Technology Support Center, Xinjiang Uygur Autonomous Region Meteorological Technology Equipment Support Center, National Meteorological Information Center, Beijing Woston Technology Co., Ltd.

Co., Ltd., Huayun Shengda (Beijing) Meteorological Technology Co., Ltd., Beijing Dongchuang Xuxin Measurement and Control Technology Co., Ltd., Beijing SPD Information Technology Co., Ltd.

Technology Co., Ltd., China Meteorological Administration Public Meteorological Service Center, China Institute of Metrology, Forestry Science and Technology Information of Chinese Academy of Forestry Institute, Qingdao Meteorological Bureau, Yunnan Meteorological Science Institute, Weide Innovation Technology (Beijing) Co., Ltd., Beijing Yipai Weiye Digital Technology Co., Ltd., Shenzhen Wanyi Technology Co., Ltd., Rongbiao Technology Co., Ltd., ChinaNet Power (Beijing) Technology Development Co., Ltd., Beijing Hua Skyworth Technology Development Co., Ltd., Beijing Langjing Times Environmental Technology Co., Ltd., and China Academy of Building Research Co., Ltd.

The main drafters of this document are: Zhang Xiaochun, Wang Mian, Sun Zhiyu, Du Bo, Liu Wen, Wang Yao, Li Weimin, Ma Fang, Yu Liping, Liao Chengzhang, Liu Jun, Zou Chenxi, Shao Haiming, Qu Ya, Luo Chang, Ye Bing, Yu Zengsheng, Zhang Jinfu, Hu Yufeng, Xie Zhou, Zhang Lei, Zhang Jiang, Lu Yong, Wang Yirui, Wang Hongchun, Deng Gaofeng, Jin Qi, and Zhang Wancheng.

Air negative ion observation method. Capacitive inhalation method

1 Scope

This document establishes the measurement principle of the capacitive inhalation method for measuring the concentration of negative ions in the air, describes the measurement method, and specifies the measurement Requirements on technical indicators, calibration methods, data recording, quality control and average value processing methods.

This document applies to the measurement of negative ion concentration in the air using the capacitive inhalation method.

2 Normative references

GB/T 4883

3 Terms and definitions

The following terms and definitions apply to this document.

4 Measurement principles and methods