HJ 972-2018 (English Version) PDF

Scope: This standard specifies the content, methods and other technical requirements for electromagnetic radiation environmental monitoring of mobile communication base stations. This standard applies to electromagnetic radiation environment monitoring of mobile communication base stations outside the exemption scope specified in GB8702. The electromagnetic radiation environment monitoring of mobile communication base stations that are exempt from management may be implemented with reference to this standard. 2 Isotropic standard 2 Minimum field strength ≤7×10-6 W/m2 (0.05 V/m) Maximum field strength ≥25 W/m2 (100 V/m) Isotropic within its measurement range, each of the probe The monitoring condition of homotropy ≤ 2.5 dB is monitored during the normal working hours of the mobile communication base station. 2 Antenna height above the ground Antenna bracket type Number of antennas Operating status Monitoring condition information Monitoring time Year, month and day: ~ Weather conditions: Measuring instrument model Measuring instrument number Ambient temperature ~ ℃ Probe (antenna) model Relative humidity ~ % Probe (antenna) number Base station Schematic diagram of environmental monitoring points on page 6HJ972—2018 Table A.1 On-site monitoring record table (2) Common base station name Page Monitoring location Monitoring result serial number Monitoring point name Monitoring value (unit: distance from the antenna (m ) vertical horizontal 1 2

HJ 972-2018 history