Wohler CDL210 | CO2 data logger

The Wohler CDL210 instrument is a compact desktop indoor air quality meter that measures CO₂ level, air temperature, humidity, date and time. With visible and audible alarms, it is an ideal instrument for indoor air quality (IAQ) diagnosis. The CDL210 has the capability of data logging up to 5,300 data points at various different logging rates

Typical applications include schools, hospitals, greenhouses, offices, factories and hotels.

Features

• Checks for carbon dioxide (CO₂) concentrations
• Maintenance free NDIR (non-dispersive infrared) CO₂ sensor
• Indoor air quality displayed in ppm with Good (380 to 420 ppm), Normal (< 1000 ppm), Poor (> 1000 ppm) indication
• User programmable High / Low visible and audible CO₂ warning alarms
• Measurement ranges: CO₂: 0 to 9,999 ppm, Temperature: - 10 to 60 °C, Humidity: 0.1 to 99.9 % rh
• Displays Year, Month, Date, and Time
• Max/Min CO₂ value recall function
• Automatic baseline calibration or manual calibration in fresh air
• Complete with universal AC adaptor
• Software and cable supplied

Technical

CO₂ range      0 to 9,999 ppm

CO₂ resolution      1 ppm

CO₂ accuracy      ±(5 % rdg + 50 ppm)

Temperature range      - 10 to 60 °C

Temperature resolution      0.1 °C

Temperature accuracy      ± 0.6 °C

Humidity range      0.1 to 99.9 %

Humidity resolution  0.1 %

Humidity accuracy      ± 3 % (10 to 90 %), ± 5 % (< 10 % or > 90 %)

Display       LCD

CO₂ sensor type      NDIR (non-dispersive infrared) technology

Humidity sensor type      Capacitance

Air temperature type     Thermistor

Datalogging      Up to 5,300 data points

Sample rate   3/10/30 seconds, 1/3/10/30 minutes and 1/3/4 hours

Dimensions / weight      118 mm diameter x 70 mm deep / 208 g