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Calibration History
January 2009 UDA2182 Universal Dual Analyzer Product Manual 189
11 Calibration History
11.1 Overview
Calibration History records every successful input or output calibration with timestamp,
with detail available on cal type and before and after cal values by scrolling and selecting
cal event name. Calibration records are listed top down from most recent to least recent.
Each line in the list consists of a calibration event name and the date and time of
occurrence.
Successful automatic cals from auto cycling also recorded and identified. Status warns of
cal history at 50% and 90% and when erasing old records.
Accessing the Main Calibration Menu and sub-menus
Press
Calibrate
. The Main Calibration Menu will appear.
CALIBRATION
Output Cal
Cal History
Input PV Cal
Input Temp Cal
CALIBRATION
Output Cal
Cal History
Input PV Cal
Input Temp Cal
Use the
keys to highlight the “Cal History” selection. Press “Enter”.
Calibration Records
Table 11-1 Cal History items
Item Values Item Values
Calibration event
name
In 1 PV Cal
In 2 PV Cal
In 1 Temp Cal
In 2 Temp Cal
Out 1 4mA Cal
Out 1 20mA Cal
Out 2 4mA Cal
Out 2 20mA Cal
Out 3 4mA Cal
Out 3 20mA Cal
Calibration type
Sample Conduc
Sample pH/ORP
Buffer pH 1
Buffer pH 2
Auto Buffer pH 1
Auto Buffer pH 2
Auto Cycle pH 1
Auto Cycle pH 2
Sample DO
Auto Air DO
Auto Cycle DO
The list is fully scrollable and individual records are selectable for further detail by
highlighting specific event names and pressing Enter. The calibration history has a
capacity of 128 records.