Campbell-scientific CNR4 Net Radiometer Manual do Utilizador descarregar pdf (Página 61)

Appendix C. CR3000 Program for Measuring Pt-100 Temperature Sensor

Units cnr4_T_K = K

Units long_up_corr = W/m^2

Units long_dn_corr = W/m^2

Units Rs_net = W/m^2

Units Rl_net = W/m^2

Units albedo = W/m^2

Units Rn = W/m^2

Dim cnr4_prt_R, Rs_R0

'CNR4 sensitivities: refer to the Certificate of Calibration from Kipp & Zonen for sensitivity values

'for each probes, and enter them below.

Const pyranometer_up_sensitivity = 15.35 'unique sensitivity for upper pyranometer

'(microV/W/m^2)

Const pyranometer_dn_sensitivity = 15.41 'unique sensitivity for lower pyranometer

) '(microV/W/m^2

Const pyrgeometer_up_sensitivity = 8.50 'unique sensitivity for upper pyrgeometer

oV/W/m^2) '(micr

Const pyrgeometer_ n_sensi vity for lower pyrgeometer d tivity = 7.09 'unique sensiti

'(microV/W/m^2)

'CNR4 multipliers

Public cnr4_mult(4)

Const pyranometer_ p_mult 2/mV) u = 1000/pyranometer_up_sensitivity '(W/m^

Const pyranometer_ n_mult 2/mV) d = 1000/pyranometer_dn_sensitivity '(W/m^

Const pyrgeometer_ p_mult 2/mV) u = 1000/pyrgeometer_up_sensitivity '(W/m^

Const pyrgeometer_ n_mult m^2/mV) d = 1000/pyrgeometer_dn_sensitivity '(W/

DataTable (cnr4_da a,True,t -1)

DataInterval (0, ,Min,160 0)

CardOut (1,-1)

Minimum (1,batt_vo ,0,False) lt,FP2

Sample (1,logger_temp,FP2)

Average (4,cnr4(1),IEEE4,False)

Average (1,cnr4_T_C,IEEE4,False)

Average (1,cnr4_T_K,IEEE4,False)

Average (1,long_up_corr,IEEE4,False)

Average (1,long_dn_corr,IEEE4,False)

Av s_net,IEEE4,False)erage (1,R

Average (1,Rl_net,IEEE4,False)

Average (1,albedo,IEEE4,False)

Average (1,Rn,IEEE4,False)

EndTable

DataTable (cnr4_ts,True,-1)

DataInterval (0,1,Sec,10)

CardOut (1,-1)

Sample (4,cnr4(1),IEEE4)

Sample (1,cnr4_T_K,IEEE4)

EndTable

BeginProg

'Load the multiplier values for the CNR4

cnr4_mult(1) = pyranom _mult eter_up

cnr4_mult(2) = pyranom _mult eter_dn

cnr4_mult(3) = pyrgeome _mult ter_up

cnr4_mult(4) = pyrgeom mult eter_dn_

Sca c,3,0) n (1,Se

PanelTemp (logger_temp,250)

Battery (batt_volt)

'CNR4 radiation measurements

VoltDiff (cnr4(),4,mV20C,1,True ,0,_60Hz,cnr4_mult(),0)

C-3

1 2 ... 56 57 58 59 60 61 62 63 64

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