Setup and starting up page 13
• Avoid contamination of the sample liquid by atmospheric air (e.g. by exhaust from
machines).
• Avoid devices emitting hertzian waves near the instrument (e.g. cell phones, W-
LAN devices). These can affect the force sensor electronics and lead to
measurement errors.
3.3 Levelling the instrument
Level the K11 with the help of the two rear adjustable feet
and the spirit level fitted into the top of the K11.
The air bubble in the spirit level must be completely within the inner circle.