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Campbell Scientific CS547 Conductivity and Temperature Probe and A547 Interface User Manual

Page 9

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CS547 Conductivity and Temperature Probe and A547 Interface

5

*Table 1 Program

01: 5

Execution Interval (seconds)

;Make a preliminary measurement of resistance for autoranging.

1: Full Bridge (P6)

1:

1

Reps

2:

15

±2500 mV Fast Range

3:

1

DIFF Channel

4:

1

Excite all reps w/Exchan 1

5:

2500

mV Excitation

6:

1

Loc [ Rs ]

7:

-.001

Mult

8:

1

Offset

2: BR Transform Rf [X/(1-X)] (P59)

1:

1

Reps

2:

1

Loc [ Rs ]

3:

1

Multiplier (Rf)

;
;Test the initial measurement to make a more accurate measurement.
;

3: CASE (P93)

1:

1

Case Loc [ Rs ]

4: If Case Location < F (P83)

1:

1.8

F

2:

30

Then Do

5: AC Half Bridge (P5)

1:

1

Reps

2:

15

±2500 mV Fast Range

3:

2

SE Channel

4:

1

Excite all reps w/Exchan 1

5:

2500

mV Excitation

6:

1

Loc [ Rs ]

7:

1.0

Mult

8:

0.0 Offset

6: BR Transform Rf[X/(1-X)] (P59)

1:

1

Reps

2:

1

Loc [ Rs ]

3:

1

Multiplier (Rf)

7: End (P95)

8: If Case Location < F (P83)

1:

9.25

F

2:

30

Then Do

(cont.)