43
4.4 Reliability
4.4.1 DT-X5
Table 4.15
Item Specification Remark/Condition
Service life
Backlight 10,000 hours At half-life period
Laser scanner 10,000 hours
C-MOS imager 70,000 hours
Trigger keys 1,000,000 times For each trigger key
Other keys 500,000 times
Mounting/removing of the
terminal to/from the Cradle
10,000 times
MTBF 62,413 hours Electronic parts only
MTBF (WLAN module) 27,000 hours
Charging and discharging cycle of
battery pack
300 times or more Applicable to HA-A20BAT and
DT-5025LBAT (see notes)
Note:
The number of the cycles is assumed with the conditions below.
• The remained capacity of battery pack at the 300 cycles is approximately 58% of the full capacity.
• The surrounding temperature is 20 ºC.
• The discharge current is 1.6A constant current.
4.4.2 HA-A60IO, HA-A61IO, HA-A30CHG
Table 4.16
Item Specification Remark/Condition
MTBF for electronics parts 50,000 hours
Mounting/removing the terminal to/from Cradle 20,000 times
Power switch 5,000 times
Switch
DIP switch 10 times For HA-A61IO only
USB 500 times
RS-232C 500 times For HA-A61IO only
No. of ON/OFF times of the
connector
RS-422 100 times For HA-A61IO only
No. of ON/OFF times of the power jack 1,500 times
4.4.3 DT-5022CHG
Table 4.17
Item Specification Remark
MTBF 210,000 hours or more MIL-HDBK217F
Protection from short Internal circuit is protected from a short between
the charge terminals
