EXTECH INSTRUMENTS
5
FM200-en-GB_V1.8 3/17
Changing Temperature Units
o
C/
o
F
Short press the
UNIT
button (while the temperature is being displayed) to switch between °C
and °F units.
High Alarm with Beeper
The alarm threshold range is 0.00 to 5.00ppm. The meter defaults to a 0.08ppm HCHO alarm
threshold. To enter the alarm threshold setting mode, press and hold the
SET
button. Press the
HOLD
/ button to increase the value or press the / button to decrease the value. Press
the MODE/ button to select the digit to the left and press the / button to select the digit
to the right. Press and hold the
SET
button to save the changes. The LCD display will show
“
SAVE
” and return to its normal mode of operation.
Note:
A bell icon is shown on the top left corner of the LCD display when the alarm is
armed. Short press the
POWER
button to arm or disarm the alarm.
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