Zeiss MMZ M, Operating Instructions Manual

Page: 68 / 154

CMM
4-4
61211-1270302 MMZ M
Environmental conditions
The following conditions must be met to ensure proper operation of the
coordinate measuring machine.
Operational readiness
Ambient temperature 10-35°C
Measuring operation
Relative humidity 40% - 70% (without condensation)
Room temperature 18-22°C
Height above mean sea level 100 - 125 V: max. 3000 m
230 - 240 V: max. 2000 m
NOTE
Please see the separate specifications brochure for information about
permissible temperature variations.
Reference temperature
Temperature at which the promised measuring accuracy is guaranteed
when the conditions are met.
The following conditions must be met:
– Temperature for measuring operation must be constant for at least
48 hours.
– Temperature variations must not exceed certain values. Limit values:
2 K/d and 1 K/h.
Example of a reference temperature for measurement of 20°C:
Temperature Change Status Action
Per day
18.1-20.0°C 1.9 K OK
20.0-22.0°C 2.0 K OK
17.9-20.0°C 2.1 K Not OK Wait for 48 hours until the new
temperature set is constant.
Per hour
20.9-20.0°C 0.9 K OK
20.0-21.0°C 1.0 K OK
18.9-20.0°C 1.1 K Not OK Wait for 48 hours until the new
temperature set is constant.