HTA103
EN – 5
4.3. FUNCTION KEY DESCRIPTION
4.3.1. ON/OFF key
By pushing
ON/OFF
key permits to turn on and off the instrument. After turn on, the
backlight is active and it automatically disabled after approx. 20s.
4.3.2. UNIT/ key
By pushing
UNIT/
key permits the temperature measurement unit selection among the
option: “
°C
” (Celsius), “
°F
” (Fahrenheit) and “
K
” (Kelvin). The
UNIT/
key is disabled if the
function “HOLD” is activated..
The formulas that links Celsius and Fahrenheit degrees are:
T [°C] =
1.8
32
-
F]
[
T
or
T [°F] = T [°C] * 1.8 + 32
so:
0°C are equal to 32°F,
100°C are equal to 212°F
By pushing long (>2s) of
UNIT/
key permits to activate/disable the backlight.
4.3.3. JKT key
By pushing
JKT
key
permits to set the type of external probe (K, J or T) to be connected to
the instrument. Cyclically the K, J or T settings are displayed.
4.3.4. MAX and MIN key
By pushing
MAX
or
MIN
key permits to detect the Maximum or Minimum values of
measured temperature. The secondary display (see Fig. 2 – part 9) shows the symbol
linked to the selected function: The symbol “MAX” for maximum value and “MIN” for
minimum value. The MAX or MIN values are dynamically updated while the real time value
of temperature is displayed on the main display (see Fig. 2 – part 4)
4.3.5. HOLD/ENTER key
By pushing
HOLD/ENTER
key the instrument’s measured value is frozen on the display
and the symbol “HOLD” appears on it. The HOLD function does not influence the
secondary display.
4.3.6.
and
keys
Use the
and
arrow keys to set the offset values during the calibration operation of the
probe fitted in the terminal input of the instrument (see § 4.3.7).
