COMET Logger U3120M - GSM temperature and humidity data logger with built-in sensors and modem

Model: CO_U3120M
Manufactured by: COMET System
Price was:15488 Kč
Special price:13939 Kč incl. VAT
11520 Kč excl. VAT
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U3120M GSM temperature and humidity data logger with built-in sensors and modem
This model is designed to measure temperature, relative humidity and dew-point temperature by internal sensor, no additional probes or sensors can be connected. It is characterized by a simple and compact design and a relatively long response to a temperature and humidity jump, compare to model with external probes. The sensors are located under the grid on the front of the unit and are protected with Teflon foil. Foil permits water vapour but prevents water from permeating the liquid state. The device is suitable for measuring in places where there is no rapid change in temperature or relative humidity, and there is no condensation of water vapours. If water vapour condensation occurs inside the datalogger, then the resulting water will remain there and may damage its electronics. The device is placed directly in the measured space, while the installation needs to ensure sufficient level of GSM signal at the installation location. As the internal battery creates a parasitic heat during the charging period, the measurement accuracy may be affected by up to 1 º C. The calibration of this instrument in the laboratory is recommended with the open bottom part of the battery box, to allow airflow from the back of the electronics. When airflow in the range 0.5 – 1 m/s, read the value after approx. 4 hours. The closed device reaches a difference of approximately 2 %RH when inserted in the humidity chamber, then dramatically slows down. Precise reading takes many times longer time than with the open rear lid.
Technical data
  • Measured value Temperature
  • Relative humidity
  • Counted values (dew point…)
  • Measuring range -20 to +60 °C
  • Accuracy ±0.4 °C
  • Resolution 0.1 °C
  • Measuring range 0 to 100 % RH
  • Accuracy ± 1.8 % RH
  • Resolution 0.1% RH
  • Measuring range -90 to +60 °C
  • Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %
  • Resolution 0.1 °C
  • Operating temperature -20 to +60 °C
  • Channels internal temperature and humidity sensor
  • 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 IP67
  • Dimensions 61 x 93 x 53 mm, with antenna 120 x 93 x 53 mm
  • Weight (including batteries) approx. 260 g
  • Warranty 3 years
Temperature data logger COMET UxxxxM – Catalog Temperature data logger COMET UxxxxM – User‘s Guide

This product was added to our catalog on Friday 01 February, 2019.
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