COMET Logger U3631M - GSM temperature and humidity data logger with connector for another temperature probe

Model: CO_U3631M
Manufactured by: COMET System
Price was:15391 Kč
Sale price:14622 Kč incl. VAT
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U3631M GSM temperature and humidity data logger with connector for another temperature probe
This model is designed to measure temperature, relative humidity and dew-point temperature by internal sensor, moreover one additional external temperature probe Pt1000/E can be connected. Internal 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 also measures the temperature from an external probe and the difference between this temperature and the dew point temperature. If the surface temperature of the material is measured by an external probe, the risk of condensation of water vapor on the surface to be measured can be determined immediately. The device alone 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. The maximum length of each probe lead should not exceed 15 m. It is recommended to use shielded cables. To maintain the IP rating, the unused probe connector should be provided with a supplied closing cap.
 
Technical data
  • Measured value Temperature
  • Relative humidity
  • Counted values (dew point…)
  • TEMPERATURE SENSOR
  • Measuring range -20 to +60 °C
  • Accuracy ±0.4 °C
  • Resolution 0.1 °C
  • TEMPERATURE SENSOR - external probe Pt1000
  • Measuring range -90 to +260 °C
  • Accuracy ±0.2 °C (-50 to +100 °C);
  • ±0.2 % from reading from +100 to +260 °C;
  • ±0.4 % from reading from -90 to -50 °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
  • Operating temperature -20 to +60 °C
  • Channels internal temperature and humidity sensor, 1x external temperature probe
  • 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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