Campbell CS655 Manuale Utente Scaricare il pdf (Pagina 18)

Model HFP01SC Self-Calibrating Soil Heat Flux Plate

;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)

;Stop filtering data.

;

12: If time is (P92)

1: 39 Minutes (Seconds --) into a

2: 180 Interval (same units as above)

3: 30 Then Do

13: Do (P86)

1: 28 Set Flag 8 Low

;Compute in-situ calibration.

;

14: Z=X (P31)

1: 2 X Loc [ shf_mV ]

2: 6 Z Loc [ mV_end ]

15: Z=X*Y (P36)

1: 7 X Loc [ V_Rf ]

2: 7 Y Loc [ V_Rf ]

3: 3 Z Loc [ cal ]

16: Z=X*F (P37)

1: 3 X Loc [ cal ]

2: 128.7 F

3: 3 Z Loc [ cal ]

17: Z=X+Y (P33)

1: 4 X Loc [ mV_0 ]

2: 6 Y Loc [ mV_end ]

3: 9 Z Loc [ work ]

18: Z=X*F (P37)

1: 9 X Loc [ work ]

2: .5 F

3: 9 Z Loc [ work ]

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 33 34

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Campbell CS655 Manuale Utente Pagina 18

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