2
3-Color LCD Screen
•
White for measurement mode
•
Green for calibration mode
•
Red for calibration error
stands for stabilized
reading
L/M/H
stands for successful
calibration:
L
is pH 4,
M
is pH 7
or 2.77 EC,
H
is pH 10. The icon(s)
will disappear after 30 days to
remind you for re-calibration.
Probe Cap
•
Water droplets are added
during production to maintain
the moisture of the probe. This
is normal practice and should
not be attributed to used
product.
•
The fill line shows the level to
which you should pour the
soaking solution or sample
solution.
•
For details of probe storage, see
Section 9.
Premium
pH • EC Combo Probe
•
Upgraded double-junction blue pH
sensor, increased durability and easier to
use.
•
Titanium alloy conductivity sensor, highly
accurate
and
requires
minimal
maintenance.
•
The probe is replaceable, saving money in
the long run.
Short Press
Long Press
1. Power on
2. Manual hold
Press again to
cancel hold.
Power off
In
measurement
mode, press to
turn on/off the
backlight.
Start
calibration
Switch mode:
pH→EC→500p
pm →700ppm
Switch
between °F
and °C
Sensor Shield
Protects
the
sensitive
pH
glass
membrane from accidental damage.
Remove it when cleaning the pH sensor.
