3.3 Sensor-Unit Maintenance
Always store the Sensor-unit in the provided storage vessel. To prevent the sensors from drying out, move
the Sensor-Unit directly from the fluid to the storage vessel.
A thorough cleaning of the Sensor-unit should be performed once a month. This cleaning should also be
performed if the Sensor-unit has come in contact with polluted water (i.e. containing bacteria, fungi,
floating organic material, etc.). This cleaning will prevent the growth of bacteria and/or fungi on the sensor
membranes, which can considerably shorten the lifespan of the Sensor-unit.
To perform this thorough cleaning of the Sensor-unit, immerse it in a 70% alcohol solution for exactly 30
seconds. Then rinse the Sensor-unit with old one-point calibration fluid for an hour. After this, the
Hydrion10 is ready for use or long-term storage.
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