Hanna Instruments Edge - Page 33

Operational Guide
33
Working With Custom Buers
If a custom buer was set in SETUP menu, it can be selected during calibration
by pressing the ARROW keys. The “C1” or “C2” tag will be on once selected.
Press u if you want to modify the custom buer
value. The buer value will start blinking. Use the
ARROW keys to change the buer value.
After 5 seconds, the buer value is updated. Press u
if you want to change it again.
Note: Custom buer value can be adjusted in a ±1.00 pH window around the
set value during calibration. When a custom buer is displayed, the “C1” or
“C2” tag is displayed.
First Calibration Point
When performing a new calibration, or adding to an existing one, the user
has a choice how the rst new calibration point will be treated in reference
to the existing calibration point. This is selected in SETUP by the parameter
FIRST CALIBRATION POINT. The two SETUP selectable options are “POINT” or
“OFFSET”.
Point: A new buer can be added to an existing calibration. The electrode
slope will be reevaluated with the addition of this buer (normal operation).
Oset: The new buer calibration point can create a constant oset to all
existing pH calibration data (existing calibration must have a minimum of two
pH buers).
pH
Calibration