- % SALE %
- Temperature
- Humidity
- Pressure
- Light Intensity & Motion
- Air Quality & Flow
- Modbus | Wireless Modbus
- EtherCAT P
- Accessory
Description
Room air quality sensor
AERASGARD® RCO2 - Modbus
Multifunctional indoor climate sensor AERASGARD® RFTM - LQ - PS - CO2 - Modbus (maximum
expansion level) with Modbus connection, in an elegant plastic housing with snap-on lid, base with
4-hole attachment, optionally with / without display, type variant RFTM - CO2 - Modbus optionally
with / without setpoint potentiometer. The room sensor is used for detecting the air humidity
(0…100 % RH), room temperature (0...+50 °C), air quality (VOC) (0…100 %), the fine dust (PM)
(0...1000 µg/m3) and CO2 content (0...5000 ppm) as well as a room control unit (% setpoint).
International system of units SI (default) can be changed to imperial (via Modbus). The following
parameters can be accessed via the Modbus: Temperature, relative humidity, air quality (VOC),
fine dust (PM) and carbon dioxide (CO2). Use just one device to monitor and control the entire
indoor climate effectively. This enables energy-saving room ventilation on an as-needed basis,
thereby reducing operating costs and improving well-being. It is used in offices, hotels, convention
centres, apartments, shops, etc. One sensor for every 30 m² of room area is recommended.
A long-term stable, digital humidity and temperature sensor guarantees exact measurement results. The air quality is determined based on a (VOC) mixed gas sensor. The CO2 content of the air is measured using an optical NDIR sensor (non-dispersive infra-red technology). An optical fine dust sensor precisely detects particulate (PM) of the size category 0.3 to 10 micrometres.
A long-term stable, digital humidity and temperature sensor guarantees exact measurement results. The air quality is determined based on a (VOC) mixed gas sensor. The CO2 content of the air is measured using an optical NDIR sensor (non-dispersive infra-red technology). An optical fine dust sensor precisely detects particulate (PM) of the size category 0.3 to 10 micrometres.
Innovative Modbus sensor with galvanically separated RS485-Modbus-interface, selectable bus
termination resistance, DIP switch for setting the bus parameters and bus address in current-free
state, internal LEDs for telegram status display, two separate push-in terminals and two-line
display (illuminated; with customised programming in the 7-segment and dot-matrix range).
The sensor is factory-calibrated; an environmental precision adjustment by an expert is possible.
Technical details
Voltage supply
24 V AC/ DC (± 10 %)
Power consumption
< 4.4 W/ 24 V DC typical; < 6.4 VA/ 24 V AC typical;
peak current 200 mA
peak current 200 mA
Data points
Carbon dioxide (CO2)
Measuring range, CO2
0...5000 ppm
Sensor, CO2
optical NDIR sensor (non-dispersive infra-red technology)
with automatic and manual calibration
with automatic and manual calibration
Measuring accuracy, CO2
typically ± 30 ppm ± 3 % of measured value
Temperature dependence, CO2
± 5 ppm/ K or ± 0.5 % of measured value/ K
(whichever is higher)
(whichever is higher)
Pressure dependence
± 0,13 %/ mm Hg
Gas exchange
by diffusion
Warm up time
approx. 1 hour
Response time
< 2 minutes
Ambient temperature
32...+122 °F
Bus protocol
Modbus (RTU mode),
address range 0...247 selectable
address range 0...247 selectable
Signal filtering
4 s / 32 s
Electrical connection
0.14 - 1.5 mm², via push-in terminal
Housing
plastic, material ABS,
colour pure white (similar to RAL 9010)
colour pure white (similar to RAL 9010)
Dimensions
3.86 x 3.86 x 1.30 in (Baldur 2)
Long-term stability
< 2 % in 15 years
Protection class
III (according to EN 60 730)
Protection type
IP 30 (according to EN 60 529)
Protection type housing
IP 30
Units
switchable metric / imperial
Installation
wall mounting or on in-wall flush box, Ø 2.2 in,
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
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
Standards
CE conformity, electromagnetic compatibility
according to EN 61 326, EMC Directive 2014/ 30/ EU,
Low Voltage Directive 2014/ 35/ EU
according to EN 61 326, EMC Directive 2014/ 30/ EU,
Low Voltage Directive 2014/ 35/ EU