9
OPERA
TIONAL GUIDE
TURNING THE METER ON
To turn the meter ON, press the button on
the front of the meter. If it does not turn on, make
sure that the batteries are properly installed in their place.
The meter is provided with an active acoustic signal when
a key is pressed.
At start‑up the meter displays all LCD
segments for a few seconds, followed by the percentage
indication of the remaining battery life, displaying “
WAIT
“
until electrode check is in process then the meter enters the
normal measurement mode.
Note: The meter detects the presence and the type of
the probe at its input.
- If the probe is not connected the message “
NO”
”PROBE
“ appears alternatively on the secondary LCD
with “
---
“ blinking on the first LCD line.
- If the probe is not compatible “
WRONG” ”PROBE
“
message appears alternatively on the secondary LCD
with “
---
“ blinking on the first LCD line.
- If the readings are out of range, the nearest range limits
are displayed blinking (e.g. -2.00 pH -5.0
°
C).
SELECTING MEASUREMENT RANGE
While in measurement mode, press the
SET
button to select
pH or pH‑mV measurement on the first LCD line.
FREEZING MEASUREMENT VALUES
While in measurement mode, press and hold the
SET
button until “
HOLD
“ appears on the secondary LCD. The
“
HOLD
“ remains for 1 second and reading of pH, mV and
temperature will be frozen on the LCD with “
H
” blinking.
Battery life
Measurement
mode
LCD
check up
→
→
→
Electrode
check
