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Input Calibration
146 UDA2182 Universal Dual Analyzer Product Manual January 2009
Table 8-3 Procedure for Buffering Method of Calibrating pH Electrodes
Step Action Screen
1
Press
Calibrate
CALIBRATION
Input Temp Cal
Output Cal
Cal History
Input PV Cal
CALIBRATION
Input Temp Cal
Output Cal
Cal History
Input PV Cal
Use
to select
Input PV Cal
2
Press
Enter
PV INPUT CAL
In 1 pH/ORP Cal
In 2 Conduc Cal
PV INPUT CAL
In 1 pH/ORP Cal
In 2 Conduc Cal
Use
to select
Input 1 or 2 pH/ORP Cal
3
Press
Enter
IN 1 pH/ORP Cal
Sample Cal
Auto Buffer Cal
Buffer Group
pH Offset
pH Slope
Reset pH Offset
Reset pH Slope
Buffer Cal
IN 1 pH/ORP Cal
Sample Cal
Auto Buffer Cal
Buffer Group
pH Offset
pH Slope
Reset pH Offset
Reset pH Slope
Buffer Cal
Use
to select
Buffer Cal
4
• Put the unit in “Hold”
mode
• Remove the electrode
from the process.
• Rinse the electrode
thoroughly with distilled or
de-ionized water
5
Standardization (adjust
instrument zero)
Press
Enter
Follow the prompts at the top
and bottom of the screen.
“Place probe in Buffer 1”
The display will show the pH of
the buffer 1 solution as
measured by the electrode
system.
“Press Enter when stable”