DOEATOOW CO-3, Operation Manual

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Carbon Monoxide Detector Manual
First Equipment Characteristics:
The detector adopt natural spreading method to detect the gas, sensitivity elements adopt
high sensitivity electric chemical sensor, it has the characteristics like high sensitivity, long
working life, low power consumption and excellent repetitiveness, convenient to use and
maintain, extremely meeting the requirements of industry field safety monitor to
reliability of equipment.
Second Technical Index:
CO detection range: 0-1000PPM
CO Low Alarm: 50
CO High Alarm: 150
Resolution: 1PPM
Displays error (different according to installed sensor):
±5PPM or ±10% of reading,
Working environment:
Temperature: -20
℃ ~50 ℃ ; humidity: <95%RH(no condensation)
Indicating method: displays real time data, LED, sound, indication alarm, failure and lack
voltage
Response time: T<30s
Supply power: CR2 3V
Explode proof marks: Ex ib IIB T3 Gb Explode proof certificate number: CNEX18.0175X
Size: 65*65*21mm
Weight: 60g
Third Operating Methods:
(1) Enter into menu: press middle button to enter into main menu interface.
Function Instruction
F—1 Zero Point Setting
F—2 Gas Calibration Setting
F—3 Level I Alarm Value Setting
F—4 Level II Alarm Value Setting
F—5 Save Setting
F—6 Restore Setting
F—7 User Calibration
(2) Button performance: Press the “
▲
” button then number upward turn, Press the “
▼
”
button then number downward turn. Long-press the “ ▼ ” button, then number increase
one-digit, long-press the “ ▲ ” button, then number reduce one-digit. Press the “ ” button
then save the setting. Long-press the “ ” button then cancel the setting.
(3) The setting mode will return to the monitoring interface if there is no operation for 8
seconds.
1. F—1 Zero Point Setting (FOR INDUSTRIAL USE ONLY)
2. F—2 Gas Calibration Setting (FOR INDUSTRIAL USE ONLY)
3. F—3 Level I Alarm Value Setting (CO Low Alarm Setting)
Press the “
” button, the screen displays F—1. Press the “ ▲ ” button or “ ▼ ” button until
the screen shows F—3. Press the “ ” button; enter into the level I alarm value setting.
The screen displays the current level I alarm value. Press the “ ▲ ” or “ ▼ ”
button to reset the number if need modifies the value. Press the “ ▲ ” button
or “ ▼ ” button to process number selection. Pressing and holding on the “ ▼ ”
button, then it shows as two-digit numbers; long-press the “ ▲ ” button,
goes back to a one-digit number. Press the “ ” button to save the Level I
Alarm Value setting number after confirmed the modified value. The screen
displays SUCC and the device will beep twice. Long-press the “
” button,
cancel the setting, and return to up one level menu.
4. F—4 Level II Alarm Value Setting (CO High Alarm Setting)
Press the “
” button, the screen displays F—1. Press the “ ▲ ” button or “ ▼ ”
button until the screen shows F—4. Press the “ ” button; enter into the
level II alarm value setting. The screen displays the current level II alarm
value. Press the “
▲ ” button or “ ▼ ” button to reset the number if need
modifies the value. Press the “ ▲ ” button or “ ▼ ” button to process number
selection. Pressing and holding on the “ ▼ ” button, then it shows as two-digit
numbers; long-press the “ ▲ ” button, goes back to a one-digit number.
Press the “ ” button to save the Level II Alarm Value setting number after
confirmed the modified value. The screen displays SUCC and the device will
beep twice. Long-press the “
” button, cancel the setting, and return to up
one level menu.
5. F—5 Save Setting
Press the “
” button, the screen displays F—1. Press the “ ▲ ” button or “ ▼ ”
button until the screen shows F—5. Press the “ ” button; enter into Saving
Setting interface. Occur 0 flashing after displays SUCC, need input
password. Press the “
▲ ” button or “ ▼ ” button to process number selection.
Pressing and holding on the “ ▼ ” button, then it shows as two-digit numbers;
long-press the “ ▲ ” button, goes back to a one-digit number. Input password
and press the “ ” button, the screen displays SUCC and the device will
beep twice. The Save Setting is updated. Long-press the “ ” button, cancel
the setting, and return to up one level menu.
6. F—6 Restore Setting
Press the “
” button, the screen displays F—1. Press the “ ▲ ” button or “ ▼ ”
button until the screen shows F—6. Press the “ ” button; enter into
Restore Setting interface. Press the “ ” button, the screen displays SUCC
and the device will beep twice, save Restore Setting successfully.
Long-press the “
” button, cancel the setting, and return to up one level
menu.
Note:
(1) If you change the settings and NOT Save them in “F—5 Save Setting”,
then the device will restore the Factory Default Setting.
(2) If you change the settings and save them in “F—5 Save Setting”, then
the device will restore the latest saved value of Save Setting.