Wohler CDL 210 CO2-Datalogger

Includes: CDL 210 Datalogger, power supply, data cable, PC software.

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The Wohler CO₂-logger measures the CO₂ level, the air temperature and the humidity and logs the measured data. It is therefore ideal for the monitoring and the evaluation of the interior climate in living spaces and in commercial premises.

The Wohler CDL 210 can record readings of CO₂, temperature and humidity for long time environment monitoring. The memory capacity is 16000 points, and the user can set up the sampling rate from 1 second to 4:59:59 hours. The Wohler CDL 210 will keep the stored data, even if the power supply is disconnected.

With the Wohler Indoor Air Quality software the data measured by the Wöhler CDL 210 is transmitted to the PC where it can be analysed. The actual measurement will be exported as an csv file and saved to the path selected by the user. The data can be analysed in an excel file.

The meter is calibrated at standard 400 ppm CO₂ concentration in the factory. It is suggested to do a manual calibration regularly and especially before using it for the first time to maintain good accuracy. The calibration will last about 30 minutes.

FEATURES

Infrared CO₂ measurement.
Acoustical and visual alarm function with adjustable limit.
Comfort level indicator with adjustable alarm values.
Data logger.
Max/Min values.
Non-volatile memory.
Automatic calibration function.
Large display.

CO₂ Meter In Schools & Offices: Reduce The Risk Of Infection Video

CO₂ Concentrations Recommendations

CO₂Concentration In The Air	Recommendations
< 700 ppm	Good optimal (Display Wöhler CDL 210) No further ventilation is needed.
< 1000 ppm	Normal (Display Wöhler CDL 210) No further ventilation is needed.
> 1000 ppm	Poor (Display Wöhler CDL 210) Ventilation is required Improve ventilation behaviour.
> 2000 ppm	Ventilation is absolutely necessary! Further ventilation measures are needed (more ventilation, reduction of the number of persons in the room).

Wohler CDL-210 Specifications

CO₂Measurement
Range	0 – 2.000 ppm (2001 - 9.999 ppm out of scale range).
Resolution	1 ppm.
Accuracy	± 50 ppm ±5 % of reading (0-2000 ppm).
Pressure dependence	± 1,6 % of reading per kPa deviation from normal pressure, 100 kPa.
Sensor	Stable NDIR sensor.
Temperature
Range	-10 °C to +60 °C.
Resolution	0.1 °C (0.1 °F).
Accuracy	± 0.6°C (± 0.9 °F).
Relative Humidity
Range	5 - 95%.
Resolution	0.1%
Accuracy	± 3 % (10 - 90%, 25 °C) 5% (other values, 25 °C).
Data Logging
Number of measurement series	5.333 per reading (°C, %rF, CO2).
Data logging	15.999.
Sampling rate	From 1 second to 4:59:59 hours.
General Specifications
Display	Simultaneous indication of CO₂ level, temperature and relative humidity.
Indoor air quality indication	Good Normal Poor.
Power supply	AC Adapter 5 V, 0.5 A output.
Connection to PC	USB-interface.
Dimensions(L x B x D)	120 x 100 x 110 mm.
Wöhler CDL 210 warranty	One-year.