9
CALIBRATION CHECK
All the models are provided with auto-
matic Cal-Check feature at start-up, which
allows the user to check the instrument
calibration status.
If the meter is calibrated, the display
will stabilize and show “
0.0 °C
” (±0.3
°C) in a few seconds.
Contact your dealer or your nearest Hanna
Service Center for recalibration, if necessary.
HOLD FEATURE (HI 93501S, HI 93503)
The hold function is activated by pressing
the
HOLD
key.
The measured temperature and the stabil-
ity bargraph is held on the display until
HOLD
is pressed again.
The “
HOLD MODE
” tag blinks on the dis-
play while in Hold mode.
STABILITY INDICATOR (HI 93501S, HI 93503)
A stability indicator with seven levels of
bargraph is provided on the LCD. Until
the reading become stable the “
WAIT
”
tag is on.
When the reading is inside ±0.1 °C win-
dow the “
STABLE
” tag become on stability
bargraph is full.