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Installation and operating instructions
ATTENTION
CHAPTER 2
DATA
NOTE
Room sensor KWL-CO2 eC
technology). The detection range is calibrated for standard applications such as
monitoring residential rooms and conference rooms.
Any use other than the intended use is prohibited!
2.1 Technical data
KWL-CO2 eC
Dimensions (W x H x D) mm
Power supply
Power consumption
Sensor
Output
Measuring accuracy
Temperature dependence
Pressure dependence
Long-term stability
Gas exchange
Ambient temperature
Warm up time
Response time
Electrical connection
Housing
Installation
Protection class
Protection type
Standards
The recommended installation height for the room sensor KWL-CO2 eC is bet-
ween 1.4 and 1.5 m, persons who are usually standing and sitting are considered
equally at this height.
The room sensor KWL-CO2 eC can also be installed at a different height if the
specific spatial conditions do not allow the recommended installation height.
85 x 85 x 27 mm
24 V ⁄ DC (± 10 %)
0.5 W ⁄ 24 V DC;
peak current 200 mA
Optical NDIR sensor (non-dispersive infra-red
technology), with manual calibration (via zero
button), with automatic calibration (can be
deactivated via DIP switches)
Bus with offset potentiometer (± 10 % of the
measuring range)
± 30 ppm ± 3 % of measured value
± 5 ppm ⁄ °C or ± 0.5 % of measured value ⁄
°C (whichever is higher)
± 0.13 % ⁄ mm Hg
< 2 % in 15 years
by diffusion
0...+ 50 °C
approx. 1 hour
< 2 minutes
0.14 - 1.5 mm
, via screw terminals
2
plastic, material ABS, colour pure white (simi
lar to RAL 9010)
wall mounting or on in-wall flush box, Ø 55
mm, base with 4-hole for
mounting on vertically or horizontally installed
in-wall flush boxes for cable entry from the
back, with predetermined breaking point for
on-wall cable entry from top ⁄ bottom in
case of plain on-wall installation
III (according to EN 60 730)
IP 30 (according to EN 60 529)
CE conformity, electromagnetic compatibili
ty according to EN 61 326, EMC Directive
2014 ⁄ 30 ⁄ EU, Low Voltage Directive
2014 ⁄ 35 ⁄ EU
2
EN
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