Power consumption
< 1.5 W/ 24 V DC typical;
< 2.9 VA/ 24 V AC typical;
peak current 200 mA
Deviation of humidity
typical ± 2 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3 %
Measuring range, temperature
0...+ 50 °C (output equivalent to 0 -10 V or 4...20 mA)
Operating range, temperature
0...+50 °C
Temperature deviation
typically ± 0.2 K at +25 °C
Output, temperature
0 -10 V (fixed)
Service life
> 60 months (under normal load conditions)
depending on the type of loading and gas concentration
Measuring range, CO2
0...2000 ppm (fixed)
Sensor, CO2
optical NDIR sensor
(non-dispersive infra-red technology),
with manual calibration (via zero button) and
automatic calibration (fixed)
Output, CO2
0 -10 V (fixed)
Measuring accuracy, CO2
typically ± 30 ppm ± 3 % of measured value
Temperature dependence, CO2
± 5 ppm/ °C or ± 0.5 % of measured value/ °C
(whichever is higher)
Pressure dependence
± 0,13 %/ mm Hg
Gas exchange
by diffusion
Relay output
without changeover contact
Warm up time
approx. 1 hour
Response time
< 2 minutes
Output
0 - 10 V
Output
0 -10 V (fixed)
Ambient temperature
0...+50 °C
Electrical connection
0.14 - 1.5 mm² via terminal screws
Housing
plastic, material ABS,
colour pure white (similar to RAL 9010)
Dimensions
98 x 98 x 33 mm (Baldur 2)
Installation
wall mounting or on in-wall flush box, Ø 55 mm,
base with 4 holes, for attachment to vertically or
horizontally installed in-wall flush boxes for rear cable entry,
with predetermined breaking point for cable entry
from top/ bottom in case of plain on-wall installation
Long-term stability
< 2 % in 15 years
Protection class
III (according to EN 60 730)
Protection type
IP 30