6
TECHNICAL DATA
Measurement principle
Non-Dispersive Infrared Technology (NDIR),
dual beam System
Working range
0... 2 000 ppm CO
2
Accuracy at 25°C and and
1 013 mbar
± (50 ppm +2 % of measured value)
Response time
< 195 s
Temperature dependence
typ. 2 ppm CO
2
/°C (0...50°C)
Long term stability
typ. 20 ppm / year
Measurement reporting interval
60 s
Supply voltage
12 VDC +/- 10 %.
Average power consumption
120 mA (reading), 10 mA (base).
Max. peak current
1 A (use for fuse sizing)
Enclosure protection
IP 20
Working and storage conditions
-40...60°C 5...95 % RH (whitout condensating)
85...110 kPa
PWM digital Output
Output data
0 % = 0 ppm ; 100 % = 2 000 ppm
Voltage (S1)
12 VDC +/- 10 %.
Frequency (S1)
1 KHz
0-10 V analog output
Output data
0 to 10 V. 0 V = 0 ppm ;
10 V = 2 000 ppm
Voltage (S3)
0 to 10 V
Impedence (S3)
>1MΩ
