Wall-mounted or bench-top Indoor Air Quality Display

Wall-mounted or bench-top Indoor Air Quality Display

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The wall-mounted or bench-top CO2 display is the latest development of a display unit that simultaneously measures and records CO2, humidity and temperature. Equipped with the ROTRONIC HYGROMER® IN-1 humidity sensor, this instrument offers unbeatable value for money. The instrument can be configured directly with buttons and stored data can be exported to a USB stick for analysis with the free ROTRONIC software package SW21.


  • Measures and records CO2, relative humidity and temperature
  • Accuracy ±2.5 %RH / ±0.3 K / ±30 ppm + 5% of measured value
  • ROTRONIC HYGROMER® IN-1 humidity sensor
  • 18,000 data point memory for CO2, humidity and temperature values
  • Displays date and time
  • Adjustable, visual CO2 indicator
  • Large, easy-to-read display
  • USB access for data download
Dimensions330 x 250 x 50mm
Range of application0…50 °C / 0…95 %RH, non-condensing
Accuracy at 23 ±5 °C±30 ppm ±5 % of the measured value, <2.5 %RH (10...90 %RH), ±0.3 °K
Measuring range0…5000 ppm / 0...100 %RH / -20...60 °C
Measurement principleInfrared (NDIR) with automatic calibration (ABC)
Adjustment points0, 400 ppm and 35, 80 %RH
Pressure dependency+1.6 % reading per kPa
Null drift<10 ppm/year
Power supply / Power consumptionAC adapter 12 VDC
Current consumption700 mA (max)
Warm-up time<1 min.
Long-term sensor stability< 1.5 %RH per year
Humidity sensorROTRONIC HYGROMER® IN-1
Temperature sensorNTC
Response timeCO2 : <3 min. diffusion time / T°: 4s
Response time t 63<30 s, without filter
Parameters shownCO2, relative humidity and temperature
Alarm indicatorsAdjustable for CO2 measurement
ClockReal time clock
Memory size18,000 values with time stamp, automatic recording (%RH / °C / ppm)
CE / EMC conform2004/108/EC
MaintenanceNo maintenance (standard indoor application)

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