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3 CO200-EU-EN v1.2 08/13
Operation
POWER ON
Plug in the adaptor and the meter turns on automatically with a short beep. If the voltage is
too high or low, “bAt“ will display on the LCD and an LED will flash.
The LCD will display current CO
2
, temp., humidity, date and time. The air quality level is
displayed as well
TAKING MEASUREMENT
The meter starts measurements when powered on and updates readings every second. If the
operating environment changes (ex. from high to low temp.), it takes 30 sec for CO
2 sensor to
respond and 30 minutes for RH.
NOTE: Do not hold the meter close to your mouth or any other source of CO
2.
MAX/MIN
In the normal mode, press the MIN/MAX button to see the minimum and maximum of CO2,
Temperature and Humidity. Each press of MIN/MAX button will sequence through the MIN, MAX
display and then returns to normal mode.
Press and hold the RESET button for more than 1 second to clear the minimum and maximum
value from memory.
ALARM & OUTPUT
The meter features an audible alarm which will give warnings when the CO2 concentration exceeds
the set limit. There are two settable limits, an upper limit that initiates the alarm and a lower limit to
stop the alarm.
The meter emits beeps and displays the fan icon on the display when the CO
2 level goes over the
upper limit. The audible alarm can be stopped by pressing any key or it automatically stops when
CO
2 reading falls below the lower limit.
If the beeper is temporarily shut down, it will sound again when readings fall below lower limit and
then go over the upper limit again or it the user presses the RESET button for more than 1 second
to activate it.
The fan icon keeps flashing when beeps are manually shut down. It stops only when readings fall
under the lower limit