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Ion measurement
(C863, C864)
GLP
Calibration reminder
7
1. Select the desired input, e.g. [CH.1], by pressing MODE. The display will imme-
diately show the measured value according to the previous calibration. Should
you want to recalibrate, press CAL.
2. Select two proper standards from the values in memory, covering your future
measuring range, and press CAL.
3. Select [CALIBRATE] and press CAL.
4. After rinsing the electrodes with distilled water, immerse them in the first
standard solution. Select the first calibration value and press CAL when read-
ings are stable. Go on in the same way with the second standard solution.
5. Decide whether a blank correction should be carried out or not. Follow the
instructions on the screen. After rinsing the electrodes with distilled water,
immerse them in a blank solution. When readings are stable press CAL.
6. Rinse the electrodes with distilled water, immerse them in the samples, and
read the concentration on the display.
•
Maintenance: we refer to the manual supplied with the ion specific elec-
trodes.
1. Select the desired range by pressing MODE and then press CAL.
2. Select [GLP] and press CAL.
3. Select [SHOW REPORT] and press CAL. Browse with çè é ê to show a com-
plete calibration report. Press STORE to send the report to a computer.
pH/mV/Conductivity/°C-meter C861
--------------------------------
Date
Time
Version
Input
SETTINGS
--------
Identification No
Password
pH/°C correction
Temp. probe
Manual temp.
pH CALIBRATION
--------------
Date
Time
Eo
Buffer 4.008/6.865
Slope
Zero point
Buffer 6.865/9.180
Slope
Zero point
AVERAGE VALUES
--------------
Slope
Zero point
Response time
Temperature
STATISTICS
----------
Slope
Zero point
Response time
1. Select the desired range by pressing MODE and then press CAL.
2. Select [INTERVAL] and press CAL.
3. Select the desired time interval between each automatic warning for a new
calibration of the electrodes and press CAL.
: 15/05/2003
: 11:32:04
: 1.0
: CH.1
: 003
: OFF
: OFF
: ---
(°C)
: 22.6
: 15/05/2003
: 11:20:06
(mV)
: 0
(%)
: 98.4
(pH)
: 6.871
(%)
: 98.2
(pH)
: 6.879
(%)
: 98.3
(pH)
: 6.875
(s)
: 11
(°C)
: 22.6
(%)
: +0.4
(pH)
: +0.002
(s)
: -1
C861 • C862 • C863 • C864 • C868
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