Campbell TDR Specifiche Scaricare il pdf (Pagina 51)

TDR100

4: Beginning of Loop (P87)

1: 0 Delay

2: 8 Loop Count

;Square La/L to convert to dielectric constant:

;Note: The user must manually allocate 8 input locations "WC_1" through WC_8".

5: Z=X*Y (P36)

1: 1 -- X Loc [ LaL_1 ]

2: 1 -- Y Loc [ LaL_1 ]

3: 11 -- Z Loc [ WC_1 ]

;Multiply the dielectric constant by 0.1 to prepare for the 3rd order polynomial

;with the appropriately scaled coefficients for Topp's calibration:

6: Z=X*F (P37)

1: 11 -- X Loc [ WC_1 ]

2: 0.1 F

3: 11 -- Z Loc [ WC_1 ]

;Apply Topp's 3rd order polynomial:

7: Polynomial (P55)

1: 1 Reps

2: 11 -- X Loc [ WC_1 ]

3: 11 -- F(X) Loc [ WC_1 ]

4: -0.053 C0

5: .292 C1

6: -0.055 C2

7: 0.0043 C3

8: 0.0 C4

9: 0.0 C5

8: End (P95) ; End of the Loop.

;Measure the datalogger power supply voltage:

9: Batt Voltage (P10)

1: 19 Loc [ Bat_Volt ]

;Set the Output Flag to output data each time measurements are made:

10: Do (P86)

1: 10 Set Output Flag High (Flag 0)

;Output a time stamp; year, day, and hour/minute:

11: Real Time (P77)

1: 1220 Year,Day,Hour/Minute (midnight = 2400)

;Output the 8 water content measurements and battery voltage:

12: Sample (P70)

1: 9 Reps

2: 11 Loc [ WC_1 ]

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 59 60

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Campbell TDR Specifiche Pagina 51