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Comet IoT Wireless CO2 datalogger with built-in sensor, GSM modem and Flat Rate SIM Card


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Comet IoT Wireless CO2 datalogger with built-in sensor, GSM modem and Flat Rate SIM Card

IoT Wireless Datalogger kit with built-in GSM modem and Flat Rate SIM Card allows the instant connection to the COMET Cloud.

IoT Datalogger is designed to record CO2 from built-in sensor. In case of exceeded set limits e-mail is sent from the COMET Cloud.

Alarms are also indicated locally 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 included USB-C cable.

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



  • CO2


  • Measuring range: 0 to 50 000 ppm
  • Accuracy: ±(50ppm +3% from reading) at 25°C and 1013hPa
  • Resolution: 1 ppm


  • Operating temperature -20 to +60 °C
  • Channels internal sensor for CO2
  • Memory 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode
  • Recording interval adjustable from 1 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 IP20
  • Dimensions 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mm
  • Weight (including batteries) approx. 250 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

Safety Information

Declaration of Conformity

COMET Cloud security


CATALOG - Dataloggers

CATALOG - GSM loggers


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