Bresser 7004040 Mode D'emploi page 6

TECHNICAL DATA
AC/DC power adapter
Power supply
DC 5V 2000 mA
Built-in battery 3.7V lithium battery
• Manual measurement
Record mode
• Immediate measurement
Record storage 12700
Within 1 seconds of any
Response Time
change in CO
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Carbon dioxide
0 - 9999 PPM
measurement range
Accuracy ± 70 PPM ±3% readings
Resolution 1 PPM
Temperature measuring
-10° to +70°C (14° to 158°F)
range
Temperature resolution 0.1°C
Temperature accuracy ±0.3°C
Humidity measuring range 0 to 99.9% RH
Humidity resolution 0.1%
Humidity accuracy ±3%
Work condition 0 - 50° C (0 - 85% RH)
10
°C/°F
Storage condition -20 - 60° C (0 - 90% RH)
ALM
Dimensions 107x107x33 mm
Weight 210 g
STAND OR WALL MOUNT
You can either mount the device on the wall (2) or use the
REC
supplied stand (6). To use the stand, you must fi rst remove
the screw (5) on the back of the unit and then use this screw
to attach the stand to the back. Tighten the screw hand-tight.
MODE
CHARGING
The device has a built-in rechargeable lithium battery.
When the low battery symbol [ ] is displayed on the
screen, please charge the unit using the AC power adapter.
Connect the micro USB cable to the unit, then to the AC
power adapter and then to the wall socket. Alternatively,
connect the unit to a computer USB port for charging.
CALIBRATION
°C/°F
a. The general environment is at 400ppm
°C/°F
b. Make sure the device is shut down ALM
°C/°F
c. Press the buttons and power button at the same time
ALM
d. Release the power button and then release the °C/°F ALM
REC
buttons - > it will show 400ppm on screen
ALM
REC MODE
REC
MODE
REC
MODE
e. Press the „MODE" button to confi rm demarcate
(it will show 401ppm on screen)
f. Wait about 6min to fi nish the calibration
g. After fi nished calibration, it will show „1" on screen.
If the display shows „0", it means that the calibration
failed (reason may be unsteady CO2 environment)
h. Press „MODE" to fi nish the procedure
START THE DEVICE
Connect the AC power adapter to the micro USB port (4) of
the device. Press the power on/off button to start the de-
vice. After switching on, the device begins preheating. The
LCD displays a countdown of 30 seconds. The buttons are
not operational during this time. Once the countdown is
fi nished the device enters the normal measurement state.
SETTINGS MODE
Press the MODE button for about 2 seconds to enter the
settings mode. The fi rst settings option is carbon dioxide
alarm. Choose the PPM value when the alarm should start.
Press the RIGHT or LEFT button to select the position to be
changed. Press the up or down button to adjust the value.
Press the MODE button for about 2 seconds to confi rm
and switch to the next setting.
Settings sequence: Carbon dioxide alarm > Date setting
(Month / Day / Year) > Time setting (Minutes / Seconds / Hour)
Finally, press the MODE button for about 2 seconds to
save the settings and exit settings mode.
Note:
The factory default carbon dioxide concentration alarm
value is 2000 PPM. All settings can also be made via the
included software. To check the time, it is necessary to
hold down the MODE button to enter the settings mode.
CARBON DIOXIDE ALARM
Press the Alarm button to activate or deactivate the
carbon dioxide alarm. The alarm will sound once the
concentration of carbon dioxide reaches the alarm value.
Press the LEFT button to deactivate the alarm sound.
Press the LEFT button again to reactivate the alarm sound.
EN
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