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12
10. MEASUREMENT
MODE
Press the
on/off
key. The thermometer
performs a self-test and all display digits and
indicators should remain on for
approximately two seconds before the meter
enters measurement mode.
If a probe is not connected or if the probe is
defective, the display will indicate “OPEN”.
°c
Figure 6: Display when no probe is detected
For optimum instrument accuracy, allow one
minute for ambient temperature stabilization.
If the unit has been stored at an extreme
ambient condition, more time will be needed.
A
STABLE
indicator appears at the top right
corner of the display when reading is
continuously stable for 5 seconds.
To freeze reading, press
hold
. Press
hold
key again to release the reading and resume
normal operation.
24.6
°c
HOLD
STABLE
Figure 7: HOLD and STABLE function
The display will show “Ur” (under range) or
“Or” (over range) if the temperature reading
is out of range of the instrument.