KNX CO2 sensor, brass, LS series, brass classic KNX CO2 sensor, brass classic
with integrated bus coupler
with air humidity sensor and room temperature controller
with integrated 2-way button interface
Intended use
Measuring CO2 concentration, relative air humidity and air temperature
Output of the measured values as a telegram on the bus, e.g. for controlling fans or window drives via KNX telegrams
Individual room temperature control in KNX installations
Installation in device box with dimensions according to DIN 49073
Product features
Limit value monitoring for CO2 concentration (max. 4 limit values) and air humidity (max. 2 limit values)
Dew point alarm e.g. for cooling ceilings and conservatories, to prevent mold formation
Two binary inputs for connecting potential-free contacts, e.g. Buttons, switches, window contacts
Logic gates for simple linking functions
KNX medium: TP 256
KNX nominal voltage: DC 21 ... 32 V SELV
KNX current consumption: typically 12.5 mA
max. 25 mA (4 s/15 s cyclic)
KNX connection: connection terminal
Protection class: III
Ambient temperature: 5 ... +45 °C
Binary inputs
Cable length: max. 5 m
Cable type: JY(St)Y 2 x 2 x 0.8 mm
CO2 sensor
Measuring range: 0 ... 2000 ppm
Humidity sensor
Measuring range: 10 ... 95 % relative humidity (RH)
Temperature sensor
Measuring range: 5 ... +45 °C
| Property | Value |
| Mounting type: | Flush-mounted |
| Protection class (IP): | IP20 |
| Design: | CO2 sensor |
| KNX bus system: | yes |
| Radio bus system: | no |
| Color: | Brass |
| LON bus system: | no |
| Bus system Powernet: | no |
| With bus connection: | yes |
| With DCF77: | no |
| Acoustic signal: | no |
| With heating: | no |
| Analog input: | no |
| Weather station: | no |
| Bus system KNX radio: | no |
