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Move the Attachment towards the detection place. When the Gas Leak Detector
detects a gas leak, the alarm lamp (red) will flash and the alarm buzzer will start
sounding continuously. As the gas concentration increases, the alarm buzzer will
sound more frequently and will change to continuous sound. (The alarm buzzer will
sound faster as approaching the location of gas leak.)
The alarm lamp (red) will flash and then light continuously in sync with the alarm
buzzer.
5. Turn OFF the Power
After the detection, press the “POWER/SENSITIVITY” button for 3 seconds. The
buzzer sounds three times and the power will go OFF.
Automatic Gas Exhaust Mode
If there is any gas remaining in the Gas Leak Detector when the power is turned
OFF, it will enter automatic gas exhaust mode. When it enters automatic gas
exhaust mode, the buzzer will sound once, “60” will be displayed on the LCD, and a
countdown will start (59, 58...).
Procedure after Sampling High Concentrations of Gas
If a high concentration gas of any in the following table is detected, leave the Gas
Leak Detector in clean air for a certain period of time before turning OFF the power.
Turning OFF the power immediately may affect performance. Also, a sensor error
(refer to page 15) may occur.
Silent Mode (No Operation Sound)
Press the “BUZZER” button for 3 seconds when the power is
ON to enter silent mode.
The alarm buzzer can be turned ON and OFF as needed. (Refer to
Deactivating the Alarm Buzzer
on page 12.)
NOTE
Make sure that the alarm buzzer is not sounding before turning OFF
the power. If the alarm buzzer is sounding when turning OFF the
power, a sensor error (refer to page 13) may occur at the next use.
In case of detecting high concentration gas, take in clean air for
several minutes before turning OFF the power, to prevent to affect
performance.
CAUTION
In silent mode, the Gas Leak Detector produces
no sounds at all except for errors and the battery
alarm. It will be impossible to confirm operation
audibly. Avoid using silent mode unless it is
absolutely necessary, and make sure to release
silent mode after use.
CAUTION
Operation
sound indictor
4
3
2
1
L
H
SENS.
Alarm sound
indicator
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3. Zero Adjustment
Before detection, follow the steps in accordance with the
"Zero Point Status" (dot mark) on the bottom left corner of
LCD.
Lighting: Zero Adjustment is not necessary for using at
sensitivity level “3”, “2” or “1”. It needs to perform
Zero Adjustment to use at sensitivity level “4”.
Blinking: Perform Zero Adjustment.
However, when the lighting on and off repetitively
may seem to be blinking. In this case, turn off the
power once and then turn on again.
Lighting Off: Zero Adjustment cannot be performed. (There
is a possibility of the presence of gas.) Wait
until it blinks. If it does not blink, after a few
minutes, turn off the power once and then turn
on again.
To perform Zero Adjustment, press and hold the “ZERO/RESTART PUMP/
BACKLIGHT” button for more than 3 seconds.
If Zero Adjustment is able to be performed, “ADJ” will be displayed on the LCD
with “blip” sound for 3 seconds, and then it will return to display the gas
sensitivity level.
If Zero Adjustment is not able to be performed, the buzzer sound will beep and
it remains to display the gas sensitivity level on the LCD.
4. Detection
Alarm Buzzer
If the alarm buzzer sounds or the alarm lamp (red) lights up /flashes,
take necessary measures.
If the remaining battery charge indicator
appears, replace the
batteries in a non-hazardous clean air location promptly. (Refer to
Battery Replacement
on page 15.)
If “E-B” is displayed on the LCD (refer to
Battery Alarm
on page 13),
the buzzer will start sounding continuously and the Gas Leak
Detector will not be working. Early battery replacement is
recommended.
DANGER
It needs to perform “Zero Adjustment” to use at sensitivity level “4”.
Due to its high sensitivity, it is too susceptible to the ambient
environment to detect gas appropriately.
It can be used even if the “Zero Point Status” (dot mark) is blinking or
off, but it may not be able to detect gas properly.
CAUTION
Zero Point Status
4
3
2
1
●
“ADJ” is displayed
L
H
SENS.
