Campbell-scientific CMP6-L, CMP11-L, and CMP21-L Pyranometers Manual de usuario descargar pdf (Pagina 26)

CMP6-L, CMP11-L, and CMP21-L Pyranometers

'CR1000 Series Datalogger

Public PTemp

Public Batt_Volt

Public CMP6_Irr

Units CMP6_Irr = W/m2

DataTable (TenMin,1,-1)

DataInterval (0,1,Min,4)

Minimum (1,Batt_Volt,FP2,0,False)

Sample (1,PTemp,FP2)

Average (1,CMP6_Irr,FP2,False)

StdDev (1,CMP6_Irr,FP2,False)

EndTable

BeginProg

Scan (1,Sec,0,0)

'Measure the Battery Voltage and Panel Temperature

PanelTemp (PTemp,250)

Battery (Batt_Volt)

'Measure the CMP6

VoltDiff (CMP6_Irr,1,mV25C,1,True ,10000,_60Hz,1000/14.33,0)

CallTable TenMin

NextScan

EndProg

7.3.3.2 CR1000 Example Program for Measuring a CMP11

Although this example is for the CR1000, other CRBasic dataloggers are

programmed similarly. The following program measures the CMP11 every

second and converts the millivolt output to W•m

–2

. A sensor calibration of

8.55 µV / W•m

–2

is used for the example program. Every 10 minutes, the

program outputs the average and standard deviation of the flux (W•m

–2

)

measurements.

Wiring for this example is given in TABLE 7-7.

TABLE 7-7. CR1000 Wiring for CMP11 Example Program

Wire Color Description CR1000 Jumper*

White Solar Signal (+) 2H

Black Solar Signal (–) 2L

Clear Shield

* Jumper 2L to

with user-supplied 26 AWG or larger wire.

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 41 42

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Campbell-scientific CMP6-L, CMP11-L, and CMP21-L Pyranometers Manual de usuario Pagina 26

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