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Description
Duct CO2 sensor
AERASGARD® KCO2-W
Patented quality product (patent no. DE 10 2014 010 719.1)
Maintenance-free AERASGARD® KCO2-SD duct air quality measuring transducer with active output, automatic calibration (fixed), in a compact plastic housing with quick-locking screws, for determining the CO2 content of the air (0…2000 ppm/0...5000 ppm). The transmitter converts the measured values into a standard signal of 0-10 V.
Maintenance-free AERASGARD® KCO2-W duct air quality measuring transducer with active/switching output, automatic calibration (can be deactivated), in a compact plastic housing with quick-locking screws, optionally with/without display, for determining the CO2 content of the air (0…2000 ppm/0...5000 ppm). The transmitter converts the measured values into a standard signal of 0-10 V or 4...20 mA (switchable).
The sensor device is used in offices, hotels, convention centres, apartments, shops, etc. for the purpose of evaluating the indoor climate. This enables energy-saving room ventilation on an as-needed basis, thereby reducing operating costs and improving well-being.
The CO2 content is measured using an optical NDIR sensor (non-dispersive infra-red technology). The detection range is calibrated for standard applications such as the monitoring of residential and conference rooms.
Maintenance-free AERASGARD® KCO2-SD duct air quality measuring transducer with active output, automatic calibration (fixed), in a compact plastic housing with quick-locking screws, for determining the CO2 content of the air (0…2000 ppm/0...5000 ppm). The transmitter converts the measured values into a standard signal of 0-10 V.
Maintenance-free AERASGARD® KCO2-W duct air quality measuring transducer with active/switching output, automatic calibration (can be deactivated), in a compact plastic housing with quick-locking screws, optionally with/without display, for determining the CO2 content of the air (0…2000 ppm/0...5000 ppm). The transmitter converts the measured values into a standard signal of 0-10 V or 4...20 mA (switchable).
The sensor device is used in offices, hotels, convention centres, apartments, shops, etc. for the purpose of evaluating the indoor climate. This enables energy-saving room ventilation on an as-needed basis, thereby reducing operating costs and improving well-being.
The CO2 content is measured using an optical NDIR sensor (non-dispersive infra-red technology). The detection range is calibrated for standard applications such as the monitoring of residential and conference rooms.
Technical details
Voltage supply
24 V AC/ DC (± 10 %)
Power consumption
< 1.5 W/ 24 V DC typical;
< 2.9 VA/ 24 V AC typical;
peak current 200 mA
< 2.9 VA/ 24 V AC typical;
peak current 200 mA
Data points
Carbon dioxide (CO2)
Measuring range, CO2
multi-range switching (selectable via DIP switches)
0...2000 ppm; 0...5000 ppm
0...2000 ppm; 0...5000 ppm
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)
(whichever is higher)
Pressure dependence
± 0,13 %/ mm Hg
Gas exchange
by diffusion
Warm up time
approx. 1 hour
Response time
approx. 1 minute,
minimum flow rate 0.3 m / s (air)
minimum flow rate 0.3 m / s (air)
Measuring range
0...2000 ppm / 0...5000 ppm
Ambient temperature
–10...+60 °C
Process connection
by mounting flange, plastic
(included in the scope of delivery)
(included in the scope of delivery)
Output, CO2
0 - 10 V / 4...20 mA
Electrical connection
0.14 - 1.5 mm² via terminal screws
Cable gland
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
max. inner diameter 10.4 mm
Long-term stability
< 2 % in 15 years
Protection class
III (according to EN 60 730)
Protection type housing
IP 65
Relay output
with potential-free changeover contact (24 V / 1 A),
switchpoint adjustable
switchpoint adjustable
Output
0 -10 V or 4...20 mA, working resistance < 800 Ω
(selectable via DIP switches)
with offset potentiometer (± 10 % of the measuring range
(selectable via DIP switches)
with offset potentiometer (± 10 % of the measuring range
Sensor
Optical NDIR sensor (non-dispersive infra-red technology),
with manual calibration (via zero button),
with automatic calibration (can be deactivated via DIP switches)
with manual calibration (via zero button),
with automatic calibration (can be deactivated via DIP switches)
Protective tube
PLEUROFORM, material polyamide (PA6), with torsion protection,
Ø 20 mm, NL = 202.5 mm, vmax = 30 m/s (air)
Ø 20 mm, NL = 202.5 mm, vmax = 30 m/s (air)
Cable connection
cable gland, plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter 10.4 mm) or
M12 connector according to DIN EN 61076-2-101 (optional on request)
M12 connector according to DIN EN 61076-2-101 (optional on request)
Housing
plastic, UV-stabilised,
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016)
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016)
Housing dimensions
72 x 64 x 37,8 mm (Tyr 1)
Protection type
IP 65 (according to EN 60 529)* Housing tested,
TÜV SÜD, Report No. 713139052 (Tyr 1)
Housing in the built-in state
(permeable PLEUROFORM: IP 30)
TÜV SÜD, Report No. 713139052 (Tyr 1)
Housing in the built-in state
(permeable PLEUROFORM: IP 30)
Standards
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU