Campbell TDR100 Manuál s instrukcemi stáhnout pdf (Strana 39)

TDR100

;Measure the CS610 probe connected to Channel 3 of the level 1 SDMX50 and return La/L.

5: TDR100 Measurement (P119)

1: 0 SDM Address

2: 0 La/L

3: 3001 MMMP Mux & Probe Selection

4: 4 Waveform Averaging

5: 1 Vp

6: 250 Points

7: 9.5 Cable Length (meters)

8: 5 Window Length (meters)

9: .3 Probe Length (meters)

10: .085 Probe Offset (meters)

11: 3 Loc [ LaL_CH3 ]

12: 1.0 Mult

13: 0.0 Offset

;Square La/L to convert to dielectric constant:

6: Z=X*Y (P36)

1: 3 X Loc [ LaL_CH3 ]

2: 3 Y Loc [ LaL_CH3 ]

3: 4 Z Loc [ WC_CH3 ]

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

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

7: Z=X*F (P37)

1: 4 X Loc [ WC_CH3 ]

2: 0.1 F

3: 4 Z Loc [ WC_CH3 ]

;Apply Topp's 3rd order polynomial:

8: Polynomial (P55)

1: 1 Reps

2: 4 X Loc [ WC_CH3 ]

3: 4 F(X) Loc [ WC_CH3 ]

4: -0.053 C0

5: .292 C1

6: -0.055 C2

7: 0.0043 C3

8: 0.0 C4

9: 0.0 C5

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Campbell TDR100 Manuál s instrukcemi Strana 39