Bosch B22CS50SNW-01 General Repair - Instruction page 28

2.18.1 Temperature measurement Geometric centre:
Temperature stratification occurs inside the appliance. Even if the
appliance features an internal fan, different temperatures occur inside
the appliance.
To obtain comparable values, always measure the temperature of the
refrigerator or freezer compartment in the geometric centre.
To obtain the most accurate value, the measurement should be taken
in a medium, e.g. a glass of water.
Ideally the refrigerator or freezer should be in the steady state.
It therefore makes sense to take a continuous measurement over
a prolonged period (at least 24 h) with a data logger. The data logger
must not come into contact with the evaporator surface.
The optimum measurement is between the refrigerated or frozen
produce. The customer should be informed that the appliance is to
be opened as infrequently as possible and the least amount of fresh
produce placed in the appliance during the measurement.
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