Sper Scientific 850038 Pure Water Meter - Manual (Page 20)

3.Select the normalization temperature.
The meter defaults to 25°C
(normalization temperature).
To reset the value, see
P4.2 on page
28.
4.Press Esc to switch back to normal
mode. Rinse the probe with deionized
or distilled water before using to
remove any impurities adhering to
the electrode body.
If the electrode isn't used for a long
time, soak the probe for at least
30 mins.
The meter defaults to 2.1%
per C ( temperature coefficient).
T
his provides good results for most
applications. You may see P4.1 on
page 27 to set the temperature
coefficient to a different value.
5. Dip the probe into the sample. Make
sure there are no air bubbles trapped
on the slot of the probe. To remove
air bubbles, stir
and
make sure the electrode tip is
submerged.
6.Stir the probe gently in the sample to
create a homogenous sample. Allow
a few seconds for the temperature
reading to reach the solution
temperature.
7. Take readings. When the reading is
stable, "READY" will be displayed on
the left-middle LCD.
the probe mildly
19