pH
ProLab 4000
7
8
ba75646e03
12/2012
Calibration evaluation
After calibrating, the meter automatically evaluates the calibration. The
zero point and slope are evaluated separately. The worse evaluation of
both is taken into account. The evaluation appears on the display and
in the calibration record.
Preparatory activities
Perform the following preparatory activities when you want to calibrate:
Display
Calibration
record
Zero point
[mV]
Slope
[mV/pH]
+++
-18 ... +18
-60.5 ... -57.5
++
-22 ... +22
-57.5 ... -56
+
-26 ... +26
-61 ... -60.5
or
-56 ... -55
-
-30 ... +30
-62 ... -61
or
-55 ... -50
Clean the electrode according to the
sensor operating manual
Error
Error
< -30 or
> 30
... -62 or
... -50
Eliminate the error according to chapter
16 W
1
Connect a pH electrode to the meter.
2
Highlight the channel of the electrode in the measured value
display.
3
If necessary, select the pH display with
<MODE>
.
4
Keep the buffer solutions ready. Adjust the temperature of the
buffer solutions, or measure the current temperature, if you
measure without a temperature sensor.
Содержание ProLab 4000
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Страница 10: ...Contents ProLab 4000 10 ba75646e03 12 2012...
Страница 20: ...Overview ProLab 4000 20 ba75646e03 12 2012...
Страница 30: ...Commissioning ProLab 4000 30 ba75646e03 12 2012...
Страница 68: ...System functions ProLab 4000 68 ba75646e03 12 2012...
Страница 86: ...pH ProLab 4000 86 ba75646e03 12 2012 Note A calibration line is determined for the two point calibration...
Страница 138: ...Ion concentration ProLab 4000 138 ba75646e03 12 2012...
Страница 184: ...Recorder ProLab 4000 184 ba75646e03 12 2012...
Страница 202: ...What to do if ProLab 4000 202 ba75646e03 12 2012...
Страница 216: ...Lists ProLab 4000 216 ba75646e03 12 2012...
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