KBM-110
Maintenance | 7
B-H86.0.12.DB214-1.0
17 / 32
– Only use high-quality and suitable alkaline batteries!
CAUTION
Damage!
If the batteries have different charge levels, leaks and thus damage to the product can
occur.
– Use new, high-quality batteries!
– Do not use different types of batteries!
– Remove depleted batteries and dispose of them at a suitable collection point!
NOTE
Unnecessary screwing places the water-tightness of the product, among other things,
at risk and should be avoided.
NOTE
Read the following handling instructions before replacing batteries and follow them
step by step. If disregarded, the product could be damaged or the protection from
moisture could be diminished.
Description
Proceed as follows to replace the batteries.
Prerequisites
– The product is switched off.
– A suitable PH1 is available
Instruction
1. Unscrews the Phillips screws and remove the cover.
2. Carefully replace the two Mignon AA batteries. Ensure that the polarity is correct!
It must be possible to insert the batteries in the correct position without using
force.
3. The O-ring must be undamaged, clean and positioned at the intended depth. In or-
der to facilitate assembly and avoid damage, a suitable grease can be applied.
4. Fit the cover on evenly. The O-ring must remain at the intended depth!
5. Tighten the Phillips screws.
Outcome of an action
The product is now ready for use again.
7.3 Calibration and adjustment
7.3.1 pH calibration
Description
In order to obtain reliable measurements, the device and electrode must be aligned
with each other. In pH measurement, this is referred to as a calibration. In order to
conduct a pH measurement, proceed as follows.