日射强度计 meaning in English

pyranometer
pyrheliometer
solarimeter

Standard test method for calibration of a pyranometer using a pyrheliometer
用直接日射强度表校正日射强度计的标准试验方法
Standard practice for field use of pyranometers , pyrheliometers and uv radiometers
野外用日射强度计太阳热量计和uv辐射计标准规程
Method for calibrating field pyranometers by comparison to a reference pyranometer
通过与标准日射强度计的比较现场校准日射强度计方法
Standard test method for calibration of pyrheliometers by comparison to reference pyrheliometers
日射强度计与基准日射强度计进行比较校准的标准试验方法