wtw pH/ION 7320, Operating Manual

Page: 52 / 104

Ion concentration pH/ION 7320
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Calibration
evaluation
After calibrating, the meter automatically evaluates the calibration.
Calibration record
(example)
Menu item Setting/func-
tion Description
Calibration /
Calibration data stor-
age
/ Display
- Displays the calibration record.
Further options:
 Scroll through the calibration
records with
<  ><  > .
 Output the displayed calibra-
tion record to the interface with
<F2> / [USB output] .
 Quit the display with <F1> /
[Back] or <MENU/ENTER> .
 Switch directly to the mea-
sured value display with
<M> .
Calibration /
Calibration data stor-
age
/
Output to USB
- Outputs the calibration records to
the interface.
Display Calibration record Magnitude of the slope [mV]
+++ 50.0 ... 70.0 *
or 25.0 ... 35.0 **
Error Error < 30 or > 90.0 *
or < 15 or > 45 **
Error elimination (see section 14.2
ISE, page 111) * monovalent ions
** divalent ions
pH/ION 7320
Ser. no. 12345678
CALIBRATION ISE
18.01.2013 08:09:10
Sensor
Ser. no. 12345678
Standard 1 0.010 mg/l
Standard 2 0.020 mg/l
Voltage 1 38.5 mV
Voltage 2 58.0 mV
Temperature 1 24.0 øC
Temperature 2 24.0 øC
Ion type Ag
Slope 64.7 mV
Sensor +++
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