Fluke Comark C40 Serie Manual De Instrucciones página 5

Operation
Connecting Probes to the
Thermometers
C40 series thermometers have either
Lumberg or sub-miniature sockets for
probe connection and off er a class
leading choice between Comark
thermistor, type T thermocouple or type K
thermocouple probes.
The polarity of the connector must
always be checked before connecting
thermocouple probes to C40 series
thermometers. A probe of the correct
thermocouple type must also be selected
to match the specifi c thermometer. C40
series thermometers with Lumberg
sockets will automatically detect the
sensor type of the probe connected. The
LCD will then indicate thermistor probes
as "PST", and type T thermocouple
probes as "T". Models with Sub-Min
connector are of fi xed thermocouple type,
see specifi cations for details
Switching On and Off
Press and hold the "ON/OFF" button on
the keypad to switch the thermometer
on. After a short pause, the display
will show the current model of the
instrument and will then revert to normal
temperature display. The current time is
also permanently displayed on the LCD.
To switch off is a long press on the "ON/
OFF" button.
Data Hold
All C40 series thermometers have a
data hold facility. If the "HOLD"
button is pressed at any time during
normal temperature mode, the current
temperature will be held on the display. To
release press "HOLD".