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Comet Datalogger for external CO2 probe up to 10.000 ppm with built-in atmospheric pressure sensor


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Comet Datalogger for external CO2 probe up to 10.000 ppm with built-in atmospheric pressure sensor

Battery powered datalogger with internal atmospheric pressure sensor and for external CO2 probe up to 10 000ppm. In case of exceeded set limits alarms are indicated by LED, LCD and acoustically by built-in beeper.

The recording is performed in a non-volatile electronic memory. The data can be transferred to a PC via USB-C.

Recorder includes Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.



  • Counted values (dew point…)
  • CO2
  • Atmospheric pressure


  • Measuring range: 0 to 10 000 ppm
  • Accuracy: 100 ppm + 5% of the measured value at 23 °C a 1 013 hPa
  • Measuring range: 0 to 50 000 ppm
  • Accuracy: ±(1,5 % from full scale +2% from the measured value)
  • Resolution: 1 ppm
  • External probe cable length CO2: 1, 2 or 4 meters


  • Measuring range: 600 to 1100 hPa
  • Accuracy: ±1.3 hPa at 23 °C from 800 to 1100 hPa
  • Resolution: 0.1 hPa


  • Operating temperature -20 to +60 °C
  • Channels internal sensor for atmospheric pressure and CO2 sensor with the cable
  • Memory 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode
  • Recording interval adjustable from 10 s to 24 h
  • Display and alarm refresh adjustable 1 s, 10 s, 1 min
  • Recording mode noncyclic - data logging stops after filling the memory
    cyclic - after filling memory oldest data is overwritten by new
  • Real time clock year, leap year, month, day, hour, minute, second
  • Power battery SONY LiIon 5200mAh
  • Protection class IP54
  • Dimensions 61 x 93 x 53 mm
  • Weight (including batteries) approx. 260 g
  • Warranty 3 years


Comet Vision Software (2.2.8080.19661 dbapi 20.1)

Conversions - application for recalculation of values


Terms and Conditions COMET System s.r.o.


Instruction Manual

Manual for Calibration (accuracy verification) and Adjustment for Dataloggers Uxxxx(M)

Quick Start Manual


CATALOG - Dataloggers


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