9
OPERA
TIONAL GUIDE
Each meter is supplied with batteries. Before using the
meter for the first time, open the battery compartment
and insert batteries, observing the polarity (see “Battery
Replacement“).
TO CONNECT THE ELECTRODE
With the meter turned off, connect the
HI729113
probe to
the DIN socket on the bottom of the meter by aligning the
pins and pushing in the plug firmly. Remove the protective
cap from the probe before taking any measurements.
TO TURN 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).
Battery life
Measurement
mode
LCD
check up
→
→
→
Electrode
check
