6
5. ENVIRONMENTAL CHARACTERISTIC
AMBIENT TEMPERATURE AND HUMIDITY(operational)
Temperature : 0 ~50
˚
C
Humidity : 85
％
RH (without condensation)
ALLOWABLE AMBIENT TEMPERATURE AND HUMIDTY(storage)
Temperature : -20 ~ +60
˚
C
Humidity : 95
％
RH(without condensation)
VIBRATION
The equipment shall not be damaged electrically and mechanically when the following
vibration has been applied to the package keyboard.
The testing method shall be in accordance with 201A of MIL-STD-202E
No. of vibration :10 ~ 55Hz(to be logarithmically receiprocated for one minute)
Amplitude
:
0.5mm(0.02in)
Direction of vibration : direction of X,Y,Z
Time of vibration : 2 hours
IMPACT
There shall be no abnormally in operation and appearance of the keyboard when an
impact of 10G has been applied to package keyboard.
The testing method shall be in accordance with 213B of MIL-STD-202E
6. DURABILITY AND RELIABILITY
Every key on the this keyboard shall function stably for mean 10 million cycles key strokes under
normal operation
