Hanna Instruments hi 955501 User Manual
5
3
OPERATIONAL GUIDE
INITIAL PREPARATION
Slide the battery cover off
the rear of your thermom-
eter.
the rear of your thermom-
eter.
Remove the battery and un-
wrap it prior to connection to
the battery connector. Insert
the 9V battery and replace
the cover.
wrap it prior to connection to
the battery connector. Insert
the 9V battery and replace
the cover.
To switch on, press the ON/
OFF key on the front of the
unit.
OFF key on the front of the
unit.
If a temperature probe is
plugged in, the unit will dis-
play the temperature.
plugged in, the unit will dis-
play the temperature.
If not plugged in, the display
will show "
will show "
-1.
".
To switch your thermometer off, press the
ON/OFF key again.
ON/OFF key again.
MEASUREMENT RESOLUTION
When switched on, the instrument defaults
to the last selected resolution.
to the last selected resolution.
To change the resolution
press RANGE.
press RANGE.
The instrument automatically
changes its resolution to 1
degree when it passes the
limit of the lower range
(±200°C).
changes its resolution to 1
degree when it passes the
limit of the lower range
(±200°C).
9 VOLT BATTERY
SLIDE OFF
Battery
Compartment
ON
OFF
°C
RANGE
Untitled-9
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4
LOW BATTERY DETECTION
When the battery is low the
user is prompted by the ap-
pearance of the "V" symbol
to replace the battery.
user is prompted by the ap-
pearance of the "V" symbol
to replace the battery.
V
DISPLAY CODE GUIDE
Display
Description
-1.
The probe is not connected to the instrument or
the reading is out of range
the reading is out of range
V
Weak battery, needs to be replaced
°C
The instrument is reading in the Centigrade
scale
scale
All Hanna Instruments thermometers have
been accurately pre-calibrated at the fac-
tory.
been accurately pre-calibrated at the fac-
tory.
It is generally recommended to have all
thermometers recalibrated at least once a
year.
thermometers recalibrated at least once a
year.
For an accurate annual recalibration, con-
tact your nearest Hanna Service Center.
tact your nearest Hanna Service Center.
CALIBRATION