8
(1) Normal detection (moment value detection)
At the place where want to check the CO2 concentration, start measuring and read the
indication after over 20 seconds. In order to measure more accurately, read the
indication after over 30 seconds.
・Normal indication:
700 ppm
・Indication increments 0-2000ppm
:
10ppm
2000-5000ppm
:
25ppm
5000-10000ppm
:
50ppm
・Indication below "0":
0 ppm
:Blinking "0".
・Indicate "OVER", in case of over 10,050ppm.
:
OVER ppm
Do not breath in the exhaust gas of the instrument at all, as the
exhaust gas may be oxygen deficiency or toxic gas.
In such case, exhaust the gas to the place where can be safe.
・
Do not let water or oil sucked into the instrument. If it should be
sucked, the pump or sensor shall be failed.
・
When measure, check the running sound of pump and the sucking
condition at gas inlet.
It cannot be measured at stop of pump operation.
・
Absorbent cotton filter must be put inside of gas sampling probe.
Otherwise, the pump power shall be down and the instrument shall
be breakdown.
・
Do not block the gas outlet because the display reading may drift.
Danger
!
Caution
!