Campbell Scientific CNR4 Net Radiometer - Manual (Page 55)

Appendix B. CNF4 Heater/Ventilator
'8H
'8L CNR4 thermistor signal (white)
'gnd CNR4 thermistor signal reference (black)
' CNR4 thermistor shield (clear)
'
'VOLTAGE EXCITATION
'
'VX1 CNR4 thermistor voltage excitation (red)
'
'POWER OUT
'SW12V-1 CNF4 vent
d) ilator + (re
'
'SW12V-2 CNF4 heater
een) + (gr
'
'G CNF4 lator - venti (blue)
' CN ter - (y F4 hea ellow)
'
'gnd ventilator & he hield (c ater s lear)
PipeLineMode
'CNR4 sensor
Public logger_temp, batt_volt
Public flag(2) As Boolean
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
'CNR thermistor tempe Celcius 4 ra re in tu
Public cnr4_T_K 'C hermistor temp in Kelvin NR4 t erature
Public long_up_corr 'D lling long-wave iation with temperature correction ownwe rad
Public long_dn_corr ' long-wave n with temperatur Upwelling radiatio e correction
Public Rs_net ' ave net radia short-w tion
Public Rl_net ' ve net radiatio long-wa n
Public albedo ' Albedo
P 'total net radiation ublic Rn
Units logger_temp = degC
Units batt_volt = volts
Units short_up = W/m^2
Units short_dn = W/m^2
Unit
W/m s long_up = ^2
Uni = W/ ts long_dn 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 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
'(microV/W/m^2)
Const pyrgeometer_dn_sensitivity = 7.09 'unique sensitivity for lower pyrgeometer
'(microV/W/m^2)
B-9