Campbell SP-LITE Manuale Utente Scaricare il pdf (Pagina 12)

SP Lite2 Silicon Pyranometer

'{CR1000}

'\\\\\\\\\\\\\\\\\\\\\\\\\ DECLARATIONS /////////////////////////

Public W_m2

'\\\\\\\\\\\\\\\\\\\\\\\\ OUTPUT SECTION ////////////////////////

DataTable(Average_Flux,true,-1)

OpenInterval

DataInterval(0,30,Min,10)

Average(1, W_m2, FP2, 0)

EndTable

'\\\\\\\\\\\\\\\\\\\\\\\\\\\ PROGRAM ////////////////////////////

BeginProg

Scan(5,Sec, 3, 0)

VoltDiff(W_m2, 1, mV250, 1, True, 0, _60Hz, 12.3457, 0)

' Set negative values to zero

If (W_m2 < 0) Then

W_m2 = 0

EndIf

CallTable Average_Flux

NextScan

EndProg

EXAMPLE 2. Sample Instructions used to Measure an Average Flux with

a CR10X

;{CR10X}

;

*Table 1 Program

01: 5 Execution Interval (seconds)

1: Volt (Diff) (P2)

1: 1 Reps

2: 24 250 mV 60 Hz Rejection Range ; **

3: 1 DIFF Channel ; *

4: 1 Loc [ W_m2 ] ; *

5: 12.3457 Multiplier ; ***

6: 0 Offset

; Set negative values to zero

2: If (X<=>F) (P89)

1: 1 X Loc [ W_m2 ]

2: 4 <

3: 0 F

4: 30 Then Do

3: Z=F x 10^n (P30)

1: 0 F

2: 0 n, Exponent of 10

3: 1 Z Loc [ W_m2 ]

4: End (P95)

1 2 ... 7 8 9 10 11 12 13 14 15 16

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Campbell SP-LITE Manuale Utente Pagina 12

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