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General
Parameters: CO₂, relative humidity and temperature
Memory capacity: 19,500 values with time stamp, automatic recording (%rh / °C / ppm)
Dimensions: 330 × 250 × 50 mm
Weight: 1400 g
Alarm: Visual, adjustable for CO₂ measurement
Current consumption: 700 mA
Application temp. housing / electronics: 0…50 °C / 0…95 %rh, non-condensing
CO₂ measurement
Measurement principle: Infrared (NDIR) with automatic calibration (ABC)
Measurement range: 0…9999 ppm
Accuracy at 23 °C ± 5 K: ±30 ppm ±5 % of the measured value @ 0…5000 ppm
Null drift: <10 ppm/year
Maintenance: No maintenance (standard indoor applications)
Humidity measurement
Sensor: ROTRONIC HYGROMER® IN-1
Measurement range: 0…100 %rh
Accuracy at 23 °C ± 5 K: ±2 %rh (10…90 %rh), others ±5 %rh
Adjustment points: 35, 80 %rh
Long-term stability: <1.5 %rh/year
Response time: <30 s t63, without filter
Temperature measurement
Sensor: NTC
Measurement range: -20…60 °C
Accuracy at 23 °C ± 5 K: ±0.3 K
Response time: 4 s t90
