Environment; Impact Durability; Reliability - Casio DT-930 Hardware Manual

6.6.

Environment

Table 6.4
Item
Temperature Operation
Storage
Humidity Operation
Storage
Electrostatic Malfunction at 5 KV
Destruction at 10 KV
6.7.

Impact Durability

Table 6.5
Item
Shock-proof (in height)
Local impact
Overall impact
Resistance to vibration
6.8.

Reliability

Table 6.6
MTBF
Switch
Connection/removing
of the connector
Mounting and removing terminal on/from cradle
Mounting and
removing of battery
pack into/from the
compartment
Notes:
•
The above MTBF figure has been calculated based on each MTBF of electronic parts
employed.
•
The above figure does not apply to the dedicated AC adaptors.
Specification
0 ºC to 40 ºC
-10 ºC to 50 ºC
30% to 80%RH
30% to 90%RH
Specification
30 cm or less
1 Kg
20 Kg
0.15 G
Item
Power switch
Terminal detection switch
DIP switch
RS-232C
RS-485
DC jack
Charging spring
24
Remark
At 40ºC. No condensation
Conditions:
Equivalent human body resistance: 100 ohm
Equivalent human body capacity: 250 pF
Frequency of application : 10 times
Period of application : 0.3/0.3 sec.
Remark
at 6 specified positions
Conditions:
In X,Y, Z directions
10 to 55 Hz
30 minutes
Specification
67,000 hours
3,000 times
20,000 times
50 times
500 times
500 times
500 times
20,000 times
5,000 times