Hardware manual

54
4.4 Reliability
4.4.1 DT-X30
Table 4.25 explains about reliability on all models of DT-X30 series including models with “-CN”
denotation.
Table 4.25
Item Specification Remark / Condition
Service life
Backlight 15,000 hours
- Half-value period
LCD 50,000 hours
- MTTF (see note)
Discharge/charge cycle
longevity of battery pack
500 times
- 50% or more of the initial capacity
Battery pack storage period
(recommended)
One year or less
- At temperature in the range of -25 ºC to 30 ºC
- At 80% of the battery’s capacity recovery rate
20,000 times
- Memory backup for a period of 10 minutes
Discharge/charge cycle
longevity of memory backup
battery
50 times
- Memory backup until the cut-off voltage level
Laser Scanner 10,000 hours
C-MOS Imager 70,000 hours
LED for the digital
camera
1,000 hours
- Until the brightness reaches to 50% of the
original brightness.
No. of uses for the
digital camera
18,000,000 times
- The life time is calculated based on when the
flash is illuminated.
Reset switch 1,000 times
Trigger keys 1,000,000 times
- 500 (times/day) x 365 (day) x 5 (year)
Key input
durability
Keys (except
the Trigger
keys)
500,000 times
- 250 (times/day) x 365 (day) x 5 (year)
Battery pack 4,000 times
- 2 (times/day) x 365 (day) x 5 (year)
On Cradle-type
charger
15,000 times
- 2 (terminals/Cradle-type charger) x 4
(times/day) x 365 (day) x 5 (year)
Car
Mounted-type
battery charger
100,000 times
- 50 (accesses/day) x 365 (day) x 5 (year)
On Ethernet
cradle
15,000 times
- 2 (terminals/Ethernet cradle) x 4 (times/day) x
365 (day) x 5 (year)
Mounting
/removin
g
durability
On USB cradle 15,000 times
- 2 (terminals/USB cradle) x 4 (times/day) x
365 (day) x 5 (year)
MTBF
Electronic parts 35,902 hours
- Main PCB, Sub-PCB, Key PCB
Digital camera 102,596 hours
-
Note:
MTTF stands for “Mean time to failure”.