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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 +2% from reading) at 25°C and 1013hPa
Resolution: 1 ppm
Atmospheric pressure sensor:
Measuring range: 600 to 1100 hPa
Accuracy: ±1.3 hPa at 23 °C from 800 to 1100 hPa
Resolution: 0.1 hPa
GSM modem parameters:
Quad-band: 850/900/1800/1900MHz
Compliant to GSM: Phase2/2+
GPRS: GPRS mobile station class B
Class 4: 2W @ 850/900MHz
Class 1: 1W @ 1800/1900MHz
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 to the internal memory: adjustable from 1 second to 24 hours
Recording interval to the COMET Cloud: from 5 minutes
Interval for measuring and evaluating alarms 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: rechargeable Li-Ion battery A8200, 3.6V/5200mAh
Protection class: IP20
Dimensions: 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mm
Weight (including batteries): approx. 260 g
Included in delivery:
U4440M
Instruction Manual
Traceable Calibration Certificate
Rechargeable Battery
Power Supply
USB-C Cable
FREE FULL VERSION Analytical Software COMET Vision
COMET Cloud for 3 Months
SIM CARD IS NOT INCLUDED IN DELIVERY
