Campbell Scientific CS547A-L Conductivity/Temperature Probe and A547A Interface - Manual (Page 15)

CS547A Conductivity and Temperature Probe and A547 Interface
;
;Subtract resistance errors (Rp) caused by the blocking capacitors
;(0.005Kohm) and the cable length (0.000032kohm/ft). Enter cable lead
;length in nnn below.
;
17: Z=F (P30)
1: nnn
F Enter cable length in feet.
2: 00 Exponent of 10
3: 5 Z Loc [ Rp ]
18: Z=X*F (P37)
1: 5
X Loc [ Rp ]
2: .00032 F
3: 5
Z Loc [ Rp ]
19: Z=X*F (P37)
1: 5
X Loc [ Rp ]
2: -.1 F
3: 5 Z Loc [ Rp ]
20: Z=X+F (P34)
1: 5
X Loc [ Rp ]
2: -.005 F
3: 5 Z Loc [ Rp ]
21: Z=X+Y (P33)
1: 1
X Loc [ Rs ]
2: 5 Y Loc [ Rp ]
3: 1 Z Loc [ Rs ]
;EC is then calculated by multiplying the reciprocal of resistance,
;which is conductance, by the cell constant.
NOTE: The cell constant (Kc) is printed on the label of each sensor or it can be calculated (see
Section 6.4). It is entered in place of nnn below.
22: Z=1/X (P42)
1: 1
X Loc [ Rs ]
2: 2 Z Loc [ one_ovrRs ]
23: Z=X*F (P37)
1: 2
X Loc [ one_ovrRs ]
2: nnn F Enter cell constant.
3: 3 Z Loc [ Ct ]
;
;The following program set corrects for errors of ionization in the EC
;measurement.
;
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