22 User Guide EN Dansensor® CheckMate 3
P/N 300042-I
05/2019
Measuring modes
Four different measuring modes are available:
Manual spot Press key to start the measuring.
The measuring stops automatically after the set-up product measuring
time.
Auto spot The measuring starts automatically when the measured gas is different
from 20.9% O
2
+/- 1.5%.
When the gas measuring is stable, it stops automatically.
To stop measuring manually press key.
Intermittent Press key to start the measuring.
The device will now perform continuous measurements at fixed intervals
until it is stopped again by pressing the key.
The measurement time for each measurement and the time interval
between measurements are set up in the product set-up menu.
Continuous Press key to start the measuring.
The unit will now perform continuous measurements until it is stopped
again by pressing the key.
NOTE! Even though the pump is high quality, it is recommended to stop
Continuous/Auto spot measurements when not used for longer periods.
The various measuring mode parameters are set up in the product set-up menu.
See "Edit product" on page 33 for details.
NOTE! During intermittent and continuous measurement, the ambient pressure
can not be measured.
Performing intermittent and continuous measurements during fluctuating
ambient pressure will impact the accuracy.
Stop measurement and place sample needle at ambient pressure for a couple of
minutes to obtain correct ambient pressure.
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