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Measurement ranges:
+ CO2: 0–2000 ppm / 400–2000 ppm (selectable via jumper)
+ VOC:
CO₂eq: 400–2000 ppm
TVOC ppm: 0–30.0 ppm
TVOC µg/m3: 0–10000 µg/m3
IAQ index: 1–5 (UBA rating)
+ Temperature: 0...50 °C
+ Relative humidity: 0–100 %rH
Accuracy:
+ CO2: ±43 ppm + 3 % of reading (typical), additional ±60 ppm for first weeks
+ VOC*: 15 % of reading (typical)
*VOC sensor is tuned for typical IAQ Mix of 22 VOCs as defined by Mølhave et al. (1997)
+ Temperature: ±0.5 ⁰C (typical at 20 ⁰C)
+ Relative humidity: ±2.4 %rH (typical at 20 ºC, 30 % rH)
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
Noted:
CO2 = Carbon dioxide sensor
VOC = Volatile Organic Compounds sensor
rH = Humidity sensor
T = Temperature sensor,
