Hourly values of global solar radiation are measured at king s park by a thermoelectric pyranometer sealed thermo - pile dome solarimeter together with an integrating counter . a bimetallic actinograph is used as a back - up 利用一具热电总日射表球形罩封密的温差电堆总日射表连同累积计数器，天文台可以量度每小时的太阳总辐射数量。
3.
Hourly values of global solar radiation are measured at king s park by a thermoelectric pyranometer ( sealed thermo - pile dome solarimeter ) together with an integrating counter . a bimetallic actinograph is used as a back - up 利用一具热电总日射表(球形罩封密的温差电堆总日射表)连同累积计数器，天文台可以量度每小时的太阳总辐射数量。
