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  9. Riken Keiki GX-2009 User manual

Riken Keiki GX-2009 User manual

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MODEL GX-2009 CONDENSED USER GUIDE
Note : Regarding detail, refer to instruction manual.
1.Check that the battery level is sufficient.
2.Check that the dust filter is free of dust.
1.Power-on
Press the POWER/MODE button until the buzzer blips.
After the LCD switched as follows, the gas monitor
enters the detection mode.
All lights ON→Date and time→Battery voltage→
Detection range→Alarm setpoint value→
Detection mode
2.Air calibration
Keep the AIR button pressed until “Adj – Release ”
on the LCD. After adjustment, it automatically
returns to the detection mode.
3.Seeing information
Every time the POWER/MODE button is pressed, the following pieces of information are
displayed on the display in turn.
Measured gas concentration display → PEAK value display → STEL value display
(CO/H2S only) → TWA value display(CO/H2S only) → Full scale display →
Return to measured gas concentration display
4.Resetting of alarm
When the gas concentration is lower than the first alarm set point (for oxygen, higher than the
first alarm set point), a gas alarm can be reset by pressing the POWER/ MODE or AIR button.
5.Power-off
Keep the POWER/MODE button pressed for four seconds.
6.Charging batteries
(1) Connect the plug of the AC adapter to the supplied charger.
→(2) Connect the AC adapter to the electric outlet.
→(3) Turn off the power and set GX-2009 on the charger.
→(4) The charge LED lights up red when it starts charging.
→(5) The charge LED goes off when the charging is completed.
→(6) Remove the AC adapter from the electric outlet.
WARNING : Do not charge the batteries in
a hazardous area.
Daily maintenance
PT0E-1000
How to use
LCD
POWER /MODE
button
AIR button
Part Name
Buzzer sound
Alarm lamp
Battery Charge
r
(BC-2009)
Charger LED
GX-2009
AC adapte
r
Battery Charge
r
(BC-2009)
MODEL GX-2009 CONDENSED USER GUIDE
Note : Regarding detail, refer to instruction manual.
After switch on GX-2009, in the detection mode, keep the AIR button pressed until the LCD
display switches from “Air – CAL” to “Adj - RELEASE”. After adjustment, it automatically returns
to the detection mode.
CAUTION:Perform air calibration under pressure and temperature/humidity
conditions close to those in the operating environment and in fresh air.
T
roubleshootin
g
Air calibration operation
Display Buzzer Causes Action
Alarm lamp
blinks /
Description
displayed
The battery level
is low.
Charge the batteries with the
dedicated charger.
Alarm lamp
blinks /
Description
displayed
A sensor has
failed.
Request RIKEN KEIKI to replace
the sensor.
Alarm lamp
blinks /
Description
displayed
A circuit
abnormality
occurred.
After turn off the power, then turn
on the power.
When “FAIL” is displayed again,
request RIKEN KEIKI for repair.
Perform a maintenance once or more for six months to maintain the
p
erformance as a safet
y
unit.
1sec
1sec
1sec
Keep the AIR button pressed.
When “Adj – RELEASE”
is displayed on the LCD,
release the button.
A
fter adjustment, it
automatically returns to the
detection mode.
If air calibration fails,
“FAIL” is displayed under
the gas name.
Press the POWER/MODE
button to reset the air
calibration failure alarm.