U3430 – Temperature, Humidity & CO2 Data logger

Sensors for temperature, humidity, CO2
CO2 Sensor Measuring range 0 to 5000 ppm
Temperature Measuring range -20 to +60 °C
Humidity Measuring range 0 to 100 % RH


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U3430 – Temperature, Humidity & CO2 Data logger

Data logger is designed to record temperature, humidity and CO2. 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.


CO2 Sensor Measuring range 0 to 5000 ppm
CO2 Sensor Accuracy ±(50ppm +3% from reading) at 25°C and 1013hPa
CO2 Sensor Resolution 1 ppm
Temperature Measuring range -20 to +60 °C
Temperature Accuracy ±0.4 °C
Temperature Resolution 0.1 °C
Humidity Measuring range 0 to 100 % RH
Humidity Accuracy ± 1.8 % RH
Humidity Resolution 0.1% RH
Dew Point Measuring range -90 to +60 °C
Dew Point Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %
Dew Point Resolution 0.1 °C
Operating temperature -20 to +60 °C
Channels internal sensors for temperature, humidity, 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
Weight (including batteries) approx. 250 g
Warranty 3 years



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