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4. MEASURING PROCEDURE
4-1 CO measurement
1)Power on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ), wait about 30 seconds to warm up the
meter, Display ( 3-1, Fig. 1 ) will show the CO value
with the " PPM " unit in the upper display, at the same
time the lower display will show the Temp. value that
sensing from the " CO Sensing Head " ( 3-14, Fig. 1 ).
CO
Remark :
* If the measuring environment is not existing the CO
value, the upper display will show 0 to 1 ppm.
Under open air environment ,
If Display show few digits CO value, please make
the Zero adjustment " , refer to chapter 8, page 12.
* Response time of CO measurement is < 30 seconds
typically, however it is depend on the environment air
circulation.
* The Temp. display unit is defaulted to "
intend to let the meter's temperature unit default to
"
", please refer to section 5-2 ( page 8 ).
℉
0
PPM
26.3 ℃
5
". If
℃
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