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manufacturer of measuring instruments
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GSM temperature, humidity, CO2 and atmospheric pressure data logger with built-in sensors and modem

GSM datalogger is designed to record temperature, humidity, atmospheric pressure and CO2. In case of exceeded set limits, SMS and JSON messages can be sent via GPRS data connection. It is possible to set the regular sending of JSON messages to COMET Database, the sending interval is adjustable. 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 USB-C.

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

 

  • code
    U4440M
  • Warranty
    3 years

Technical data

Measured value

Temperature
Relative humidity
Counted values (dew point…)
CO2
Atmospheric pressure

TEMPERATURE SENSOR

Measuring range -20 to +60 °C
Accuracy ±0.4 °C
Resolution 0.1 °C

HUMIDITY SENSOR

Measuring range 0 to 100 % RH
Accuracy ± 1.8 % RH
Resolution 0.1% RH

DEW POINT

Measuring range -90 to +60 °C
Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %
Resolution 0.1 °C

CO2 SENSOR

Measuring range 0 to 5000 ppm
Accuracy ±(50ppm +3% from reading) at 25°C and 1013hPa
Resolution 1 ppm

ATMOSPHERIC PRESSURE SENSOR SENSOR

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

GENERAL TECHNICAL DATA

Operating temperature -20 to +60 °C
Channels internal sensor for temperature, humidity, CO2 and atmospheric pressure
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