Endress+Hauser Topcal S CPC310, Руководство по эксплуатации

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Commissioning
73
7.6.9 Set up 1 - Calibration
pH operating mode
To call the menu, select:
"
Ñ
> Specialist > Set up 1 > Calibration"
Function Options Info
Calibration Options
• Offset
• Manual calibration
• Spec. buffer table
• Cal settings
• Calibration timer
• Autocal. Topcal
Factory setting
Offset
Select the initial settings for the calibration.
Offset: Enter a fixed value by which the pH
value is shifted.
Manual calibration: Make initial settings for
the function of the CAL key.
Spec. buffer table: Edit tables for the special
buffer.
Cal settings: General calibration settings
Calibration timer: Timer for calibration
intervals
Autocal. Topcal: Make initial settings for the
Topcal S method of calibration.
Offset
Enter offset Activation and subsequent entry
• Act. PV 1/2
-2.00 ... 16.00 pH
• Offset 1/2
-2.00 ... 2.00 pH
Factory setting
Offset: 0.00 pH
Act. PV: The current measured value (primary
value) with an offset is displayed and can be
edited.
Offset: The pH value difference between the
measured value and the displayed value is
displayed and can be edited.
If you start operation with a set offset value,
"OFFSET" is shown on the top right of the
display.
Manual calibration
Calibration parameters Options
• Data entry
• Buffer manual
• Fixed buffer
• Auto. buffer recognition
Factory setting
Fixed buffer
Specify the type of calibration with which
calibration takes place when the "CAL" button
is pressed.
Data input Enter the zero point and slope of
the sensor.
Manual buffer: Enter the value of the buffer
for the calibration process.
Buffer table: This function can be selected if
the same buffer values are constantly used.
Auto. Buffer recognition: The Mycom S
transmitter automatically recognizes the buffer
values used.
Buffer type Options
• DIN 19267
• E+H
• NBS / DIN 19266
• Merck+Riedel
• Special buffer table
Factory setting
E+H
Only available for "Buffer table" and "Auto.
buffer recognition":
Select the buffer type for local calibration.
Spec. buffer table: The tables for special
buffer, which are to be defined in the "Special
buffer" option, are used.
!
Note!
The buffer tables for the buffer types on offer
are provided in the appendix
Buffer 1 Options
• Buffer 2.0
• Buffer 4.01
• Buffer 6.98
• Buffer 9.18
• Buffer 10.90
(option depends on the buffer
type)
Factory setting
Buffer 6.98
Only available for buffer table:
Select the pH value for buffer 1 of the two-point
calibration.