CO2
Measurement principle |
Non-Dispersive Infrared Technology (NDIR) |
| Sensor |
E+E Dual Source Infrared System |
| Working range |
0...2000ppm 0...5000ppm |
Accuracy at 20°C (68°F)
and 1013mbar |
0...2000ppm: < ± (50ppm +2% of measuring value)
0...5000ppm: < ± (50ppm +3% of measuring value) |
| Response time t63 |
< 90 sec |
| Temperature dependence |
typ. 2ppm CO2/°C |
| Long term stability |
typ. 20ppm / year |
| Sample rate |
ca. 0.5 min |
| Relative Humidity |
|
| Measurement principle |
capacitive |
| Sensor element |
HC103 |
| Working range1) |
10...90% RH |
| Accuracy at 20°C (68°F) |
±3% RH (30...70% RH) ±5% (10...90% RH) |
| Temperature |
|
| Accuracy at 20°C (68°F) |
±0.3°C (±0.54°F)
version with current output 4 - 20mA: ±0.7°C (±1.26°F) |
| Outputs |
|
| Analogue Outputs |
|
0...2000/5000 ppm /
0...100% RH / |
0 - 5V -1mA < IL < 1mA
0 - 10V -1mA < IL < 1mA
4 - 20mA RL < 500 Ohm |
Switching Output
Max. switching voltage |
50V AC / 60V DC |
| Max. switching load |
1A at 50V AC 1A at 30V DC |
| Min. switching load |
1mA at 5V DC |
| Contact material |
Ag+Au clad |
| General |
|
| Supply voltage SELV |
24V AC ±20% 15 - 35V DC SELV =
Safety Extra Low Voltage |
| Power requirement |
< 3 W |
| Warm up time 2) |
< 5 min |
| Display |
LC display: alternating CO2 (ppm) / T (°C or °F) /
RH (% RH) |
| Electrical connection |
screw terminals max. 1.5 mm2 (AWG16 |
| Electromagnetic compatibility |
EN 61000-6-3 EN61326-1+A1+A2:05.2002
EN 61000-6-1 |
| Working temperature range |
0...90% RH (non condensing) / -5...55°C (23...131°F |
| Storage temperature range |
0...90% RH (non condensing) / -20...60°C (-4...140°F) |
1) refer to the working range of the humidity sensor HC103!
2) warm up time for performance according specification |
