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

7.6.

Environment

Table 7.4
Item
Temperature
Humidity
Electrostatic
7.7.

Impact Durability

Table 7.5
Item
Shock-proof (in height)
Local impact
Overall impact
Resistance to vibration
7.8.

Reliability

Table 7.6
MTBF
Switch
Connection/removing of
the respective connectors
Mounting and removing
terminal on/from cradle
Installing and removing
battery pack in/from the
compartment
Notes:
•
The above MTBF figure has been calculated based on each MTBF of the electronic parts
employed.
•
The above figure does not apply to the AC adaptors.
Specification
Operation 0 ºC to 40 ºC
Storage -10 ºC to 50 ºC
Operation 30% to 80%RH
Storage 30% to 90%RH
Malfunction at 5 KV
Destruction at 10 KV
Specification
30 cm or less
1 Kg
20 Kg
0.15 G
Item
Power switch
Terminal detection
switch
DIP switch
RS-232C
RS-422
DC jack
DT-930 power
supply/charging
terminals
Charging spring
At 40 ºC, 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 seconds
at 6 specified faces
at specified position
Conditions:
in X, Y, Z directions
10 and 55 Hz
30 minutes
48,000 hours
3,000 times
20,000 times
50 times
500 times
500 times
500 times
20,000 times
5,000 times
38
Remark
Remark
Specification