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Names of each parts
There are two types of measurement methods for this product.
• "Straw method" using accessory attachments and commercially available straws.
• "Open blow method" that blows directly onto the product.
How to attach the strap (accessories)
1 Pass the longer string through the strap
port of the product body and tie it.
2 Attach the shorter string to the strap
hole of the attachment.
①
②
Strap Attachment Port
How to insert the attachment (accessory)
1 Slide the sensor cover upward.
2 Insert the attachment into the blowing
part.
①
Blowing Part
②
How to use
1
Remove the battery cover and set
the battery. Carefully set ¢ ¤ and
attach the battery cover.
Be sure to set the direction of the
battery ¢ ¤ pole correctly.
2
Slide the sensor cover upward to
insert the attachment.
• For how to attach the attachment, see
the names of each parts.
• Measurement by direct blowing is also
possible without using an attachment.
3
Insert a commercially available straw and press
the ON / OFF switch on the side of the main unit to
turn on the power.
The countdown of the digital display starts at the same
time as the "STANDBY" of the operation display blinks.
(14 • 13 • 12 • • •1 or 6 • 5 • 4 • • • 1)
Commercially
available straw
• Only use a straw with a diameter of 4 to 6 mm.
• When measuring by direct blowing, do not attach an
attachment or a commercially available straw, and turn
on the power as it is with the sensor cover slid upward.
If the measurement cannot be performed accurately, an electronic
sound is heard three times, the red LED is lit, and the measurement
display indicates "---".
Press the power button to manually switch "OFF" the power.
Press the power button again to turn the power to "ON" and remeasure.
Sensor Cover
Blow Port
ON/OFF Switch
(Reset Switch)
Display Panel
Battery Cover
How to remove the battery cover
1 Turn the product body upside
down and hold it with both hands.
2 Lightly press the A part with
your thumb, and slide it upward
while firmly pressing the B part
with your other thumb.
⊕
⊖
4
ON
Atrium
Strap Port
Lightly press the A part
Firmly press the B part
Blow your breath into the product.
The "GO" lamp flashes, and at the same
time as the beeping sound, blow into the
inserted straw for "4 seconds". Please
continue blowing until you hear next
beep.
◎ Keep blowing stably for about 4
seconds. If you blow all at once, your
breath will not last for 4 seconds. Blow
with strength (expiratory volume) that
keeps you breathing for 4 seconds.
1st
2nd
BEEP
BEEP
Blow "Fuuuu"
for 4 seconds
In the case of direct injection, use the
following method.
1cm
Blow "Huhhhh"
for 4 seconds
In case of
measurement error
• Is the sensor cover open?
• Are you blowing for 4 seconds?
• Is the straw inserted firmly?
• Is the measurement conducted in a place
where there is no odor or gas around?
Display Panel Description
Sensor Exchange
Mark
Notified the sensor
lifetime by blinking.
Battery Display
and red LEDs flash together when the
battery is dead. When the display appears, replace
the battery.
Error Display
If the measurement fails (accurate measurement
was not performed), "---" is displayed
Slide
5
When the sensor detects it,
"CHECK" of the operation
display blinks and
measurement starts.
When the measurement is completed, "END"
6
of the operation display blinks to display the
measured value.
The green LED lights up when the
measured value is 0.00 mg/L.
The red LED lights up when the
measured value is 0.05 mg/L
or more.
After measuring, press the power button to
7
"OFF".
Remove the attachment and return the
sensor cover to the bottom.
If the power supply is left in the "ON" state, it will
automatically turn the power supply "OFF" after
1 minute.
OFF
BEEP
BEEP
BEEP
Operational
Indication
LED Display
Digital Display
LED
lights up
Red LED
lights up
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