Campbell HFP01SC Manual do Utilizador descarregar pdf (Página 13)

Model HFP01SC Self-Calibrating Soil Heat Flux Plate

Heater Resistor Signal #1 Yellow 13H

Heater Resistor Signal Reference #1 Purple

Shield #1 Clear

Power #1 Red SW12-1

Power Reference #1 Black G

Heater Resistor Signal #2 Yellow 13L

Heater Resistor Signal Reference #2 Purple

Shield #2 Clear

Power #2 Red SW12-1

Power Reference #2 Black G

Heater Resistor Signal #3 Yellow 14H

Heater Resistor Signal Reference #3 Purple

Shield #3 Clear

Power #3 Red SW12-1

Power Reference #3 Black G

Heater Resistor Signal #4 Yellow 14L

Heater Resistor Signal Reference #4 Purple

Shield #4 Clear

Power #4 Red SW12-1

'CR3000 Series Datalogger

Const OUTPUT_INTERVAL = 30 'Online mean output interval in minutes.

Const CAL_INTERVAL = 1440 'HFP01SC insitu calibration interval (minutes).

Const END_CAL = OUTPUT_INTERVAL-1 'End HFP01SC insitu calibration one minute before the next Output.

Const HFP01SC_CAL_1 = 15 'Unique multiplier for HFP01SC #1 (1000/sensitivity).

Const HFP01SC_CAL_2 = 15 'Unique multiplier for HFP01SC #2 (1000/sensitivity).

Const HFP01SC_CAL_3 = 15 'Unique multiplier for HFP01SC #3 (1000/sensitivity).

Const HFP01SC_CAL_4 = 15 'Unique multiplier for HFP01SC #4 (1000/sensitivity).

'*** Variables ***

Public shf(4)

Public shf_cal(4)

Units shf = W/m^2

Units shf_cal = W/(m^2 mV)

'HFP01SC calibration variables.

Dim shf_mV(4)

Dim shf_mV_0(4)

Dim shf_mV_180(4)

Dim shf_mV_end(4)

Dim V_Rf(4)

Dim V_Rf_180(4)

Dim shf_cal_on_f As Boolean

Dim sw12_1_state As Boolean 'State of the switched 12Vdc port 1.

Dim ii As Long

DataTable (mean,TRUE,100)

DataInterval (0,OUTPUT_INTERVAL,Min,10)

Average (4,shf(1),IEEE4,shf_cal_on_f)

Sample (4,shf_cal(1),IEEE4)

EndTable

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