数据记录仪prog CR1000系列数据记录仪的例子ram for Apogee Instruments SP-110 pyranometers 'date: July 17, 2013 'program author: Jacob Bingham 'Explanation of Constants and Variables Used in Datalogger Program 'BattV = datalogger battery voltage 'PanelT = datalogger panel temperature 'SWi = incoming global shortwave radiation in W m-2 (watts per square meter) 'Declare Public Variables Public BattV, PanelT Public SWi 'Define Data Tables DataTable (Solar,1,-1) DataInterval (0,1,Min,10) Minimum(1,BattV,IEEE4,0,False) Sample(1,PanelT,IEEE4) Average(1,SWi,IEEE4,False) EndTable 'Main Program BeginProg Scan(1,Sec,0,0) Battery(BattV) PanelTemp(PanelT,_60Hz) 'Measure Incoming Global Shortwave Radiation (SWi) On a Differential Channel (Can Also Be Measured On a Single-ended Channel) 'Note: A measurement range of 250 mV yields a range of 1250 W m-2 for an Apogee pyranometer. 'It is rare for solar irradiance to be greater than this, but it can happen near solar noon when thin clouds enhance down-welling radiation. VoltDiff(SWi,1,AutoRange,1,True,0,_60Hz,5,0) 'Call Output Tables CallTable Solar NextScan EndProg