EC / TDS
33
1-Point Calibration
1. Place the probe in the calibration solution ensuring that the
EC sensor (tip) is submersed. Center the probe away from the
bottom or beaker walls.
2. Lift and lower the probe and tap the probe repeatedly to
remove any trapped air bubbles.
3. Press CAL/EDIT and use the
keys to select a standard
value. The stability indicator –
$
– and "WAIT" message
(blinking) are displayed until the reading is stable.
mS/cm
ºC
ATC
mS/cm
CAL
24.9
1 2.8 8
14.02
W A I T
When the reading is stable and close to the selected
calibration standard, "SOL STD" and the value are displayed
on the third LCD line with ACCEPT tag blinking.
ACCEPT
mS/cm
ºC
ATC
mS/cm
CAL
24.9
D 1 2.8 8
12.90
SOL S T
ºC
ATC
mS/cm
CAL
24.9
12.88
S A V I N G
4. Press GLP/ACCEPT key to confirm calibration.
The meter displays “SAVING”, it stores the calibration values
and returns to measurement mode.
