CO2DT( R)

CO2DT(-R)
Systemair AB
Industrivägen 3, SE-739 30 Skinnskatteberg
Tel +46 222 440 00, Fax +46 222 440 99
mailbox@systemair.se • www.systemair.com
Technical data
Supply voltage 24 V AC +/- 20%, 50...60 Hz or 15...35 V DC
Power consumption 3 W
Ambient temperature -5...55°C
Ambient humidity 0..90% RH, non condensating
Temperature dependance Typ. 2 ppm CO
2
/ °C
Storage temperature -20...60°C
Measuring principle NDIR (Non-Dispersive Infrared Technology)
Long term stability Typ. 20 ppm / year
Response time < 120 s
Warm-up time < 5 min
Protection class IP65 with probe downwards, otherwise IP20
This product conforms with the requirements of European EMC standards
CENELEC EN61000-6-1 and EN61000-6-3 and carries the CE mark.
Measuring range 0...2000 ppm
Inaccuracy (at 20°) < ± (50 ppm + 2% of measuring value)
Output signal
CO2DT 0...10 V DC referring to 0...2000 ppm
CO2DT-R Relay output 50 V AC/60 V DC
Wiring
Models
CO2DT
CO
2
-transmitter for duct mounting with analogue output
CO2DT-R
CO
2
-transmitter for duct mounting with relay output
Dimensions (mm)
CO2DT-R
1 Supply voltage 24 V AC/DC
2 System neutral
3 Common
4 Normally open
5 Normally closed
CO2DT
1 Supply voltage 24 V AC/DC
2 System neutral
3 Signal neutral
4 Output 0…10 V DC, corresponding to 0...2000 ppm CO
2