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5. Commissioning and operation
5. Pull the mains plug out.
⇒
The gas presence detector is ready for operation.
When the battery charger is connected and the charging process has been
started, the instrument automatically switches off to protect the internal
rechargeable battery.
5.4 Performing measurements
By using a shoulder strap and the hand-held, any measuring location for gas-filled
instruments can be reached, indoors and outdoors. An integrated pump in the console
feeds the ambient air from the gas inlet of the hand-held continuously to the sensor. For
a correct measurement, the sensor must be held in the vicinity of the points to be tested
(distance of approx. 1 ... 2 cm [0.39 ... 0.78 in]).
The sensor has a response time of approx. one second. Do not move the
hand-held too quickly, so that the smallest leakage can also be detected.
Additional notes for CO
With the gas presence detector, dropping CO₂ concentrations in CO₂ filled equipment
should be located.
CAUTION!
Measured error due to improper use
Through improper use, measured errors can occur and leakage remain
undetected.
▶
Hold the hand-held in such a way that the measurement is not affected
by the breathing of the operator.
▶
Do not move the hand-held too quickly.
▶
If necessary, protect the measuring location with a CO₂-impermeable
film.
The CO₂ concentration of the atmosphere is location- and
time-dependent. The most important influencing factors on the CO₂
concentration are the number of people in the space, the size of the space
and the ventilation.
WIKA operating instructions gas presence detector, model GIR-10
measurement
2
EN
15
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