3. Battery
3
●LD239 has a rechargeable lithium-ion battery. Before using the product for
the first time, or before using the product following an extended period of
disuse, recharge the battery with an attached micro USB cable connecting
to PC. (Charging micro USB cable : Cat.No.2702-19331)
If PC is not available, use a commercial AC-USB exchange adaptor.
●When the LCD is not shown or "Low Battery Error" is indicated, the
batteries are low and must be recharged with the attached recharger.
When starting recharge, one LED on left down is indicated. After fully
charging, the LED is disappear It takes approximately 2.5 hours to fully
recharge the battery; when fully charged, they will provide approximately
5 hours of continuous service. (Std. Range, LED OFF, Buzzer OFF)
●When the battery is fully charged, disconnect the micro USB charging
cable. In case the micro USB charging cable is connected for a long time,
and the detection may get unstable because of heat-generating of the
battery. Do not connect the USB cable except for charging not to reduce
the battery life.
●A marked drop in the time a fully-charged battery retains its charge
indicates that the battery needs to be replaced. Purchase a new battery.
The battery lifetime depends on usage and battery degradation. If it
appears to be unusually short, it is need to be replaced.
(Refer to “7. Replacement of service parts” )
(1) FUNC/POWER key
ų
Turning power ON/OFF and selecting
setting contents.
(2) ZERO/ENTER key
ų
Adjusting zero balance and entering
setting contents.
(3) LCD display
ų
Showing Standard Display and Setting
Display.
(4) LED indicators
ų
Indicating leak level and battery level.
(5) Reference Port (with internal filter)
ų
Inlet to aspirate ambient air.
(6) Charging Terminal
ų
Connecting the Charging Terminal to
PC with supplied micro USB charging
cable to charge.
(7) Battery Cover
(8) Strap Eyelet
Attaching a supplied commercial strap.
(9) Sample Probe (with internal filter)
ų
Aspirating sample gas.
4.Part names and functions
(9)
(4)
(5)
(6)
*1
(1)
*1
(2)
(3)
(7)
(8)
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