Commissioning
74
Buffer 2
Options
• Buffer 2.0
• Buffer 4.01
• Buffer 9.18
• Buffer 10.90
(option depends on the buffer
type)
Factory setting
Buffer 4.01
Only available for buffer table:
Select the pH value for buffer 2 of the two-point
calibration.
Special buffer
Number of buffer
2 ... 3
Factory setting
2
Enter the desired number of buffers. A
minimum of 2 and a maximum of 3
user-specific buffers can be saved with a table.
!
Note!
The following four fields must be run through
individually for every buffer.
Select buffer
1 ... 3
Factory setting
1
Select one of the buffer tables for editing.
Number of points
2 ... 10
Factory setting
10
Specify the desired number of table points
(value pairs) for the buffer table.
Pair: pH and temperature
Pairs
Activation and subsequent entry
•
°
C
-20 ... 150
°
C
• pH
-2.00 ... 16.00 pH
Enter the temperature and the related pH
values of your medium (number of required
value pairs = number of table points specified in
the previous field).
Confirm
Options
• OK
• Delete element(s)
Are the value pairs OK or do you want to delete
elements?
Delete:
In the screen that follows, select the
row to be deleted, delete with
T
and confirm
with
F
.
Note
Valid table
The table is active after confirming with
F
.
Cancel with
Ñ
.
General settings
Temperature compensation
Options
• ATC
• MTC
Select the temperature compensation for the
calibration.
!
Note!
The setting is only active during calibration.
During operation, the setting you selected in
the "Temperature" menu applies.
Slope
5.00 ... 57.00 mV / pH
Factory setting
25.00 mV/pH
If the slope entered is undershot, an alarm
(error no. 032) can be triggered (for error
activation, see "Set up 1 - Alarm" section).
Example: The specified slope of the electrode is
59 mV/pH at 25
°
C. You enter 55 mV/pH as
the slope here. Then an alarm can be triggered
where the slope measured < 55 mV/pH.
!
Note!
The upper limit value for the slope is
permanently programmed. An alarm is
triggered if a slope of 65 mV/pH is overshot.
Function
Options
Info
Summary of Contents for Topcal S CPC310
Page 161: ...Appendix 161 ...
Page 175: ......
Page 176: ...www endress com worldwide BA409C 07 en 11 06 Printed in Germany FM SGML 6 0 DT 71028144 ...
