V t button
Press this button to decrease the value, depending on the
menu. Press the "ESC" button to exit from this mode.
W MAX/MIN button
Press the button once. The abbreviation "MAX" indicates
the maximum measured CO2 value or the maximum
temperature or humidity value. Press the button again
to display the minimum values (Min). Press the "ESC"
button to exit from this mode.
X ESC button
Press this button to exit from the current mode and/or to
confirm the values set (e.g. time etc.).
Background lighting
The background lighting is switched on by pressing the
"ALARM", "MAX/MIN","s" or "t" button. The back-
ground lighting switches itself off after approx. 20 sec-
onds if the appliance is not used any further. Press the
"ESC" button to exit from this mode.
B - 4
4.0 Technical Data
Sensor . . . . . NDIR (nichtdispersiv infrarot) CO2-Sensor
Measuring range . . . . . . . . . . . . . . . 0 - 9.999 ppm CO2
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1ppm
CO2 accuracy .±75 ppm or ±5% of the measured value
Temperature range . . . . . . . 23 - 122 °F (-5 °C - 50 °C)
Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . .0,1 °C/°F
Temperature accuracy . . . . . . . . . . . . . . . . . . . ±0,5°C
Relative humidity . . . . . . . . . . . . . . .0,1 to 99,9 % R.H.
Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . .0,1 % R.H.
Accuracy of the rel. humidity . . . . . . . . . . . . . . . . .±5 %
Display . . . . . . . . . . . . date and time, relative humidity,
. . . . . . . . . . . . . temperature, Max/Min, CO2 value
Sampling rate . . . . . . . . . . . . . . . . . . . . . . . . 2 seconds
Overload display . . . . . . . . . . . . . . . . . . . . . . . ."-OL-"
Power adaptor . . . . . . . . . . . . . input: 110v ~ 220 V AC
(alternating current) output: 6.0 V DC (direct current)
Environmental conditions . . . . . . . . . . . . .-5 °C - 50 °C
Storage conditions . . . . . . . . . . . . . . . . . .-5 °C - 50 °C
Operating Manual – CO
air quality monitor
2
(23 °F - 122 °F) at < 90 % R.H.
(23 °F - 122 °F) - < 90 % R.H.
EN