23
10. Technical specification
10.1. Technical parameters
10.1.1. Common parameters
Power voltage:
9 to 30 V DC
Power consumption:
1W during normal operation
4W for 50ms with 15 s period
Measuring interval:
temperature, relative humidity . . . . . 0,5s
concentration of CO
2
. . . . . . . . . . . . 15s
Display switching interval
: 4 s (when more than two values are displayed)
Relay outputs:
Amount:
2
Maximal voltage:
50 V
Maximal current:
2A
Maximal power:
60 VA
Relays contact is not designed for direct control of line voltage!
(output relay contact parameters: max 220Vdc, 125Vac, 2A, 60 W, 62.5 VA)
EMC:
EN 61326-1, EN 55011
10.1.2.
AR006712
- CO
2
regulator
Concentration of CO
2
:
Accuracy:
± (100 ppm + 5 % of measuring value) at 25°C (77°F) and 1013 hPa
Range:
0 to 10000 ppm
Temperature dependence: typ. 2 ppm CO
2
/ ºC in the range 0 to 50 ºC (32 to 122°F)
Long term stability: typ. 20 ppm / year
Resolution:
1 ppm
Response time:
t90 < 195 s in „SLOW“ measurement mode
t90 < 75 s in „FAST“ measurement mode
10.1.3.
AR006711
- CO
2
regulator
Concentration of CO
2
:
Accuracy:
± (50 ppm + 2 % of measuring value) at 25°C (77°F) and 1013 hPa
Range:
0 to 2000 ppm
Temperature dependence: typ. 2 ppm CO
2
/ ºC in the range 0 to 50 ºC (32 to 122°F)
Long term stability: typ. 20 ppm / year
Resolution:
1 ppm
Response time:
t90 < 195 s in „SLOW“ measurement mode
t90 < 75 s in „FAST“ measurement mode