Description
Technical details
Accuracy: | CO₂: ±43 ppm + 3 % of reading (typical), additional ±60 ppm for first weeks Relative humidity: ±2.4 % rH (typical at 20 °C, 30 % rH) Temperature: ±0.5 °C (typical at 20 °C) VOC*: ±15 % of reading (typical) *VOC sensor is tuned for typical IAQ Mix of 22 VOCs as defined by Mølhave et al. (1997) PM: 0…100 μg/m3: PM2.5: ±15 μg/m3 (at 25 °C ±5 °C) PM1/PM10*: ±15 μg/m3 (at 25 °C ±5 °C) 100…1000 μg/m3: PM2.5: ±15 % (at 25 °C ±5 °C) PM1/PM10*: ±15 % (at 25 °C ±5 °C) *PM1 and PM10 values are calculated from PM2.5 measurement reading with the default particle distribution. |
Measuring elements: | CO2: Non-dispersive infrared (NDIR) VOC: Complementary Metal Oxide Semiconductor (CMOS) PM: Laser-based light scattering particle sensing Temperature: Integrated to CMOS Relative humidity: Thermoset polymer capacitive sensing element |
Measuring units: | CO2: ppm Relative humidity: % rH Temperature: °C VOC CO2eq: ppm TVOC: ppm, μg/m3 PM1/2.5/10: μg/m3 |
Calibration (CO2): | Automatic self-calibration, ABC LogicTM |
Supply voltage: | 24 VDC/VAC ±10 % |
Output signal 1–4: | 0…10 V (optional 2…10 V / 0…5 V, display or configuration tool required) Optional 4…20 mA Linear to selected measurement (CO2, VOC, PM, rH or Temp) |
Operating temperature: | 0…50 °C |
Protection standard: | IP20 |