GSM temperature and humidity data logger for external probe with integrated modem *Step required

In production :  1 to 2 weeks
  • Temperature and humidity. 
  • Alarm messages.
  • Data transferable to pc.
  • Electronic memory.

Volume reductions

Quantity Unit price Total price
1 467,78 € 467,78 €
10 421,00 € 4 210,00 €
25 399,95 € 9 998,75 €
50 378,90 € 18 945,00 €
Unit price
467,78 €
Final price
467,78 €
Your configuration:

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The data logger is designed to record the temperature and humidity of the external probe.

If the defined limits are exceeded, SMS and JSON messages can be sent over a GPRS data connection.

It is possible to define the regular sending of messages JSON to the database, the send interval is adjustable.

The recording is carried out in a non-volatile electronic memory.

The data can be transferred to a PC via USB-C.

Temperature and humidity probe is not included in the delivery, the probe of the appropriate length and the design that you can choose from the optional accessories.

The device includes a traceable calibration certificate with declared metrological traceability of standards based on the requirements of EN ISO / IEC 17025.


  • U3121M
  • Manual
  • Traceable calibration certificate
  • Rechargeable battery
  • Power source
  • USB-C cable
  • FREE Analysis Software
  • Cloud for 3 months


- Temperature
- Relative humidity
- Calculated values ​​(dew point, etc.)

Temperature measuring range: depending on the probe

Construction type: ambiant air

Accuracy of temperature measurement: depending on the probe

Reading resolution: 0.1 ° C

Temperature measurement response time t90 (no temperature 20 ° C, air flow rate of about 1 m / s): depending on the probe

Relative humidity measurement range: depending on the probe

Accuracy of the relative humidity measurement: depending on the probe

Relative humidity measurement response time t90 (no humidity 30% RH, constant temperature): depending on the probe

Dew point temperature measurement range: depending on the probe

Real time clock: year, leap year, month, day, hour, minute, second

Data logging interval: adjustable from 1sec to 24h

Alarm display and refresh: adjustable 1 s, 10s, 1min

Total memory capacity: 500 values ​​in non-cyclic recording mode, 000 values ​​in cyclic recording mode

Data logging mode: non-cyclic - data logging stops after full memory, cyclical - after full memory, the oldest data is overwritten by the new ones

Supply : SONY LiIon 5200mAh Battery

IP protection: IP67 - protected against the influence of temporary immersion in water

Dimensions: 61x93x53, avec antenne:120x93x53

Weight (including battery): 260 g

Warranty: 3 years 


Product Type
Data loggers



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