Xylem HandyLab 680 User Manual
Page 85
HandyLab 680
Operation
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Determining the cell
constant
For this calibration procedure, the Type setting must be set to cal . Pro-
ceed as follows to determine the cell constant:
Error
Error
Outside the range
0.450 ... 0.500 cm
-1
Eliminate the error according to
chapter 6 W
Display
Calibration
record
Cell constant [cm
-1
]
1
Connect an IDS conductivity sensor to the meter.
2
In the measured value display, select the conductivity parame-
ter with
3
Start the calibration with
The cell constant that was calibrated last is displayed.
4
Immerse the IDS conductivity sensor in the control standard
solution, 0.01 mol/l KCI.
5
Start the measurement with .
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parame-
ter flashes.
6
Wait for the measurement with stability control to be completed
([HOLD][AR]) display or
accept the calibration value with .
The calibration record is displayed and output to the interface.
7
Switch to the measured value display with .
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