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Input Calibration
156 UDA2182 Universal Dual Analyzer Product Manual January 2009
Step Action Screen
12
Once the reading is stable, if it
does not match the input
signal, press
Enter
“Change to Sample value”
Use
to change the value to
match the Voltage being applied
to the input terminals.
“Enter to save, Exit to cancel”
13
Press
Enter
This will standardize the unit.
14
Take the unit out of “Hold” and return to the calibration menu.
15
Turn off the voltage source and turn off power to the Analyzer.
Do not open the case until power is disconnected.
16
Reconnect field wiring removed in Step 5.
17
Re-insert the terminal board into the case.
18
Close the case and power up the unit. Do not apply power until
case is closed.
8.6.4 Viewing and Resetting ORP Offset
If the calibration is suspect, you can reset the ORP Offset and calibrate again.
In the same screen as “Sample Cal”, use the
keys to highlight “Reset ORP Offset”.
IN 1 pH/ORP Cal
Sample Cal
ORP Offset
Reset ORP Offset
(Read only)
IN 1 pH/ORP Cal
Sample Cal
ORP Offset
Reset ORP Offset
(Read only)
Figure 8-2 Resetting ORP Offset
Press ENTER. The ORP Offset will be reset to 0.000 (default).