Indoor Air Quality Sensor ANDRALQ-U / ANDRALQ-I for measuring the air quality in living and office spaces etc, optionally with 0-10 V or 4-20 mA output. The ANDRALQ-U/ANDRALQ-I is a VOC/mixed gas sensor The CO2 equivalents are derived from a conforming algorithm as the odor emissions are overlaying the CO2 value (see graphics). Long-term drifting and operational deterioration can be eliminated by regularly running the automatic calibration.
Additional options for sensor ANDRALQ-U / ANDRALQ-I (surcharges):
- active potentiometer,
- passive potentiometer,
- CO2 sensor,
- display,
- relay,
Alternative sensor versions:
- Modbus Indoor Air Quality Sensor ANDRALQ-MD.
Product number
Product number: ANDRALQ-U / ANDRALQ-I
Technical Specifications
| Power supply: | 12… 34VAC/VDC |
| Measuring range: | 0-2000ppm |
| Power consumption: | max. 45 mA |
| Output: | 0…10V or 4…20mA |
| Calibration: | 1 V … 5,6 mA = 200 ppm CO2 equivalent 5 V … 12 mA = 1000 ppm CO2 equivalent 10 V … 20 mA = 2000 ppm CO2 equivalent |
| Operating temperature: | 0°C…+50°C |
| Humidity: | 5…95% r.h. |
| Protection class: | IP20 |
| Housing: | Material ABS, Colour RAL 9011 |
| Measurements housing: | 87,5 x 87,5 x 30 mm |
Datasheet ANDRALQ-U / ANDRALQ-I
Versions of ANDRALQ-U / ANDRALQ-I
| Type | Output ppm | Output Temp. | Output Humidity |
| ANDRALQ-U | 0-10V | ||
| ANDRALQ/T-U | 0-10V | 0-10V | |
| ANDRALQ/T/F-U | 0-10V | 0-10V | 0-10V |
| ANDRALQ-I | 4-20mA | ||
| ANDRALQ/T-I | 4-20mA | 4-20mA | |
| ANDRALQ/F-I | 4-20mA | 4-20mA |
How to order?
Order example: ANDRALQ-U / ANDRALQ-I Sensor 0-10V output = ANDRALQ-U
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