Campbell HFP01SC, Instruction Manual

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Model HFP01SC Self-Calibrating Soil Heat Flux Plate
;Perform in-situ calibratation.
;
2: If time is (P92)
1: 1 Minutes (Seconds --) into a
2: 180 Interval (same units as above)
3: 30 Then Do
3: Z=X (P31)
1: 2 X Loc [ shf_mV ]
2: 4 Z Loc [ mV_0 ]
;Begin heating for calibration.
;
4: Do (P86)
1: 48 Set Port 8 High
;Used to filter data during and after calibration.
;
5: Do (P86)
1: 18 Set Flag 8 High
6: End (P95)
;End site calibration three minutes after calibration started.
;
7: If time is (P92)
1: 4 Minutes (Seconds --) into a
2: 180 Interval (same units as above)
3: 30 Then Do
;Measure voltage across current shunt resistor (10 ohm 1% 0.25 W 50
;ppm/deg C) during calibration. This measurement is used to
;compute power.
;
8: Volt (SE) (P1)
1: 1 Reps
2: 25 2500 mV 60 Hz Rejection Range
3: 2 SE Channel
4: 7 Loc [ V_Rf ]
5: .001 Mult
6: 0 Offset
9: Z=X (P31)
1: 2 X Loc [ shf_mV ]
2: 5 Z Loc [ mV_180 ]
;Turn off the soil heat flux plate heater.
;
10: Do (P86)
1: 58 Set Port 8 Low
11: End (P95)
12