Campbell CNR4 Manuel d'instructions télécharger pdf (Page 46)

Appendix B. Example Programs

'4H CNR4 Pyrgeometer Lower signal (brown)

'4L CNR4 Pyrgeometer Lower signal reference (green)

'gnd jumper to 4L

' CNR4 shield (clear)

'8H

'8L CNR4 thermistor signal (white)

'gnd CNR4 thermistor signal reference (black)

' CNR4 thermistor shield (clear)

'VOLTAGE EXCITATION

'VX1 CNR4 thermistor voltage excitation (red)

'CNR4 sensor

Public logger_temp, batt_volt

Public cnr4(4)

Alias cnr4(1) = short_up

Alias cnr4(2) = short_dn

Alias cnr4(3) = long_up

Alias cnr4(4) = long_dn

Public cnr4_T_C 'CNR4 thermistor temperature in Celcius

Public cnr4_T_K 'CNR4 thermistor temperature in Kelvin

Public long_up_corr 'Downwelling long-wave radiation with temperature correction

Public long_dn_corr 'Upwelling long-wave radiation with temperature correction

Public Rs_net 'short-wave net radiation

Public Rl_net 'long-wave net radiation

Public albedo 'Albedo

Public Rn 'total net radiation

Units logger_temp = degC

Units batt_volt = volts

Units short_up = W/m^2

Units short_dn = W/m^2

Units long_up = W/m^2

Units long_dn = W/m^2

Units cnr4_T_C = deg_C

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 Rs, Vs_Vx

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

'for each probes, and enter them below.

Const pyra_up_sensitiv = 15.35 'unique sensitivity for upper pyranometer (microV/W/m^2)

Const pyra_dn_sensitiv = 15.41 'unique sensitivity for lower pyranometer (microV/W/m^2)

Const pyrg_up_sensitiv = 8.50 'unique sensitivity for upper pyrgeometer (microV/W/m^2)

Const pyrg_dn_sensitiv = 7.09 'unique sensitivity for lower pyrgeometer (microV/W/m^2)

'CNR4 multipliers

Public cnr4_mult(4)

Const pyra_up_mult = 1000/pyra_up_sensitiv '(W/m^2/mV)

Const pyra_dn_mult = 1000/pyra_dn_sensitiv '(W/m^2/mV)

Const pyrg_up_mult = 1000/pyrg_up_sensitiv '(W/m^2/mV)

Const pyrg_dn_mult = 1000/pyrg_dn_sensitiv '(W/m^2/mV)

DataTable (cnr4_dat,True,-1)

DataInterval (0,60,Min,10)

CardOut (1,-1)

B-8

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Campbell CNR4 Manuel d'instructions Page 46

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