User manual

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If the symbol (9) appears on the left side of the display, there is
a hardware error. Repeatedly turn the device on and off in such case. If
the symbol still appears, the device is defective.
22. Cleaning and maintenance
• Never submerge the product in water or other liquids.
• The product is maintenance-free. Clean the device housing using
only a soft, dry cloth or brush. To clean the measurement sensor,
use a small brush or cotton swab.
• Never use any aggressive solvents or chemical solutions as these
may cause damage to the housing surface.
• Store and transport the measurement device in the provided bag
only.