14
Do not stir bubbles into the water and do not mix by bubbling,
as this will flush nitrous oxide from the water. A magnetic stirrer is
also not recommended as a mixing tool because it can introduce
electrical noise to the signal. The nitrous oxide in the water will
slowly escape to the atmosphere and the concentration can only
be considered constant for a few minutes. concentration can only
be considered constant for a few minutes.
A
PPROVAL
OF
NEW
SENSOR
If the sensor functions according to the criteria given in the delivery
note, carefully remove the seal and the protective tube before
making measurements.