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• Measures and logs CO2, relative humidity and temperature
• Rotronic HYGROMER® IN-1 humidity sensor
• Up to 40,000 data point memory


• Indoor air quality: classrooms, kindergartens,
meeting rooms, open-plan offices, shopping centers,
fitness studios

General Information

Sensors / Calibration

• HYGROMER® IN-1 humidity sensor
• Calibration of humidity possible at 35/80 %RH
• NDIR sensor with automatic calibration (ABC)
• Manual calibration of CO2 at 400 ppm


Large display with backlight

Control panel

Large buttons for easy operation of the measuring instrument


• Mini USB port for connection to a PC
• 5 VDC power supply, for connection of the optionally
available AC adapter