Casio IT-10M20 Laptop User Manual


 
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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 Specification Condition
Operation
0 to 40
Temperature
Non-operation
-20 to 60
Operation 10 to 85 %RH
Humidity
Non-operation 10 to 90 %RH
No condensation
Storage in carton box
Temperature
-20 to 60
Humidity 10 to 90 %RH
Dust and water-splash proof
IP54 level (compliant with IEC60529)
See “IP (Industrial Protection) code”.
All covers on the terminal
are closed while testing.
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.