Campbell CNR1 Spezifikationen PDF herunterladen (Seite 23)

CNR1 Net Radiometer

'Define Data Tables

DataTable(Table1,True,-1)

DataInterval(0,60,Min,10)

Average(1,CM3Up,FP2,False)

Average(1,CM3Dn,FP2,False)

Average(1,CG3Up,FP2,False)

Average(1,CG3Dn,FP2,False)

Average(1,CNR1TC,FP2,False)

Average(1,CNR1TK,FP2,False)

Average(1,NetRs,FP2,False)

Average(1,NetRl,FP2,False)

Average(1,Albedo,FP2,False)

Average(1,UpTot,FP2,False)

Average(1,DnTot,FP2,False)

Average(1,NetTot,FP2,False)

Average(1,CG3UpCo,FP2,False)

Average(1,CG3DnCo,FP2,False)

EndTable

'Main Program

BeginProg

Scan(2,Sec,1,0)

'Default Datalogger Battery Voltage measurement Batt_Volt:

Battery(Batt_Volt)

'CNR1 Net Radiometer measurements CM3Up, CM3Dn, CG3Up, CG3Dn, CNR1TC, CNR1TK,

'NetRs, NetRl, Albedo, UpTot, DnTot, NetTot, CG3UpCo, and CG3DnCo:

* VoltDiff(CM3Up,1,mV25,1,True,0,_60Hz,100.0,0)

* VoltDiff(CM3Dn,1,mV25,2,True,0,_60Hz,100.0,0)

* VoltDiff(CG3Up,1,mV7_5,3,True,0,_60Hz,100.0,0)

* VoltDiff(CG3Dn,1,mV7_5,4,True,0,_60Hz,100.0,0)

** BrHalf4W (CNR1TC,1,mV25,mV25,5,Vx1,1,2100,True ,True ,0,250,1.0,0)

PRT(CNR1TC,1,CNR1TC,1,0)

CNR1TK=CNR1TC+273.18

NetRs=CM3Up-CM3Dn

NetRl=CG3Up-CG3Dn

Albedo=CM3Dn/CM3Up

UpTot=CM3Up+CG3Up

DnTot=CM3Dn+CG3Dn

NetTot=UpTot-DnTot

CG3UpCo=CG3Up+5.67*10^-8*CNR1TK^4

CG3DnCo=CG3Dn+5.67*10^-8*CNR1TK^4

'Call Data Tables and Store Data

CallTable(Table1)

NextScan

EndProg

* mV20 range for the CR5000

** mV50 range (both) with 4200 mV excitation for CR5000

6.2.4 Example 4, CR5000 Using Differential Channels (no 4WPB100)

Program Example 4 requires five differential channels and one current

excitation channel to measure the four radiation outputs and the Pt-100

temperature sensor. The program measures the sensors every second and

calculates and stores the following data to final storage every 60 minutes:

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 31 32

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