Quality References; Environment Performances - Casio IT-10M20 Hardware Manual

4. Quality References

This chapter describes about quality references specially concerned with environmental performance, electric
durability, mechanical durability, reliability, compliance and, etc. for the IT-10 series and its dedicated options.
4.1 Environmental Performances
4.1.1 IT-10
Table 4.1
Item
Temperature
Humidity
Storage in carton box
Dust and water-splash proof
IP (Industrial Protection) code
A cording system to indicate the degrees of protection provided by an enclosure against access to hazardous parts,
ingress of solid foreign objects, ingress of water and to give additional protection in connection with such
protection. Elements of the IP54 level and their meanings are as follows.
IP5x
Represents dust proof to level 5. This level of IP code means that the terminal is protected against solid foreign
objects including dust to penetrate the enclosure.
IPx4
Represents water-splash proof to level 4. No detrimental effect is observed even with exposure to water splashed
from any direction.
"x" represents that a characteristic numeral is not required to be specified.
Operation
0 to 40℃
Non-operation
-20 to 60℃
Operation 10 to 85 %RH
Non-operation 10 to 90 %RH
Temperature
-20 to 60℃
Humidity 10 to 90 %RH
IP54 level (compliant with IEC60529)
See "IP (Industrial Protection) code".
Specification
28
Condition
No condensation
All covers on the terminal
are closed while testing.