10
OPERATIONAL GUIDE
To switch the instrument ON, press the ON/OFF key.
The thermometer will carry out a self diagnostic test routine, the LCD will
show all segments for a few seconds (or as long as ON/OFF is held),
followed by the percentage indication of the remaining battery life.
The thermometer then enters normal measurement mode.
If a temperature probe is plugged in, the meter displays the
measured temperature.
If no probe is plugged in, or if the reading is
over-range, the display shows flashing dashes.
If a measurement is slightly over the range of
the meter specifications, the display will flash
the closest full-scale value.
To switch the meter OFF, press the ON/OFF key.
Note:
The meters are provided with an acoustic signal feature activated
when buttons are pressed, which can be disabled using a switch
located in the battery compartment (see figure on page 10).
°C/°F SELECTION
Measurements can be displayed in either degrees Celsius or Fahren-
heit. The meter is factory set to °C scale; to change the scale, press
°C/°F key (
HI93551
,
HI93551N
and
HI93551R
) or (ALT+)°C/°F
keys (
HI93552
and
HI93552R
), or set the switch located in the battery
compartment (
HI93542
, see figure on page 10).
THERMOCOUPLE TYPE SELECTION, KJT
By pressing KJT (
HI93551
,
HI93551N
and
HI93542
) or (ALT+)KJT
keys (
HI93551R
,
HI93552
and
HI93552R
), the thermometer is set
according to the connected thermocouple type. The corresponding
symbol will be displayed, i.e. K for K-type, J for J-type, T for T-type.
Note:
Changing thermocouple type resets the HI and LO values.
