COMET SYSTEM, s.r.o.
Bezrucova 2901
756 61  Roznov pod Radhostem
CZECH REPUBLIC
Tel.: +420 571 653 990

E-mail: info@cometsystem.com


 

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Thermometer hygrometer data logger - Economy Version

code: S3120E
Data logger is designed for record of temperature and humidity. Values are stored to a non volatile electronic memory. Data transfer to the personal computer for further analysis is performed via USB, RS232, GSM or Ethernet interface by means of a proper communication adapter.

The device includes Traceable calibration certificate with declared metrological traceability of etalons is based Logger Downloader - free application for data download from Android smartphones and tablet PCon requirements of EN ISO/IEC 17025 standard.

For communication with the PC must be from Optional accessories ordered USB adapter, LAN adapter or COM adapter or start/stop magnet if is needed to control logging the other way than directly from computer.


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Features

GSM communicationMain applications of data logger:

  • Food and beverage industry (HACCP)
  • Pharmaceutical industry
  • Horticulture and cultivation of plants
  • HVAC (heating, ventilation, air conditioning, cooling)
  • Building and energy management
  • Research and development
  • Laboratories (GLP)
  • Warehouses
  • Technological processes
  • Museums, archives, galleries

 

Advantages of data logger:

  • included traceable calibration certificate from the manufacturer - Comet
  • fast data transfer to the PC (full memory for approximately 30s)
  • variability of connection to the computer - USB, RS232, Ethernet, GSM modem
  • permanent connection to the PC enabled, data is possible to download even during logging
  • large data memory 32000 values
  • large dual line display with special symbols, switchable
  • optional display of minimum and maximum measured values (reset of min/max memory from PC or by magnet)
  • dual level alarm is enabled for each channel, alarm is indicated by blinking of the value on the LCD display
  • two alarm modes are enabled: instant or with memory (detected alarm is indicated permanently till alarm memory is cleared from the PC)
  • robust watertight case
  • easy installation, locking enabled
  • low power consumption from battery, battery life up to 6 years
  • indication of remaining battery life, easy replacement of the battery
  • logging start/stop is enabled in several ways: at certain time and date programmed from computer, by delivered magnet
  • also special logging mode is enabled, when logging runs only, if some of measured values are out of adjusted alarm limits
  • each data logger is possible to describe with text of maximum 32 characters
  • each channel is possible to describe with text of maximum 16 characters
  • password protection is enabled to prevent unauthorized manipulation with logger

 

Included in delivery:

  • Data logger including the battery
  • Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.
  • Quick start manual
  • Free basic Windows software is ready to download at folder Download

 

Figure: Accuracy of dew-point measurement

Differences between S3120 and S3120E

  S3120 - precise version S3120E - economy version
Accuracy of temperature measurement ±0.4°C  ±0.6°C from -30 to +30°C
±0.8°C from +30 to +70°C
Accuracy of air humidity measurement  ±2,5% RH from 5 to 95% at 23°C  ±3% RH from 5 to 95% at 23°C
Accuracy of dew point measurement 1,5 °C at ambient temperature lower than 25°C and RH > 30%; range -60 to +70 °C  2 °C at ambient temperature lower than 25°C and RH > 30%; range -60 to +70 °C 
IP protection plastic case IP67, sensor cover IP30  IP30 
Temperature measuring range -30 to +70°C
Operating temperature range -30 to +70°C  
Resolution of the reading 0.1°C, 0.1%RH  
Data logging interval  adjustable from 10s to 24h 
Display and alarm refresh each 10s  
Total memory capacity 32000 values  
Power Lithium battery 3,6V, size AA  
Typical battery life   6 years
Dimensions 93x64x29mm  
Warranty   2 years
Traceable calibration certificate with declared metrological traceability of etalons based
on requirements of EN ISO/IEC 17025 standard

 

Technical Data

Technical parameters Value
Measured Value Temperature + Relative Humidity
Construction Type Ambient Air
Temperature Measuring Range -30 to 70 °C
Two-State Input No
Lcd Display Yes
Built-In Printer No
Operating temperature range -30 to +70°C
Accuracy of temperature measurement ±0.6°C from -30 to +30°C
±0.8°C from +30 to +70°C
Accuracy of air humidity measurement ±3% RH from 5 to 95% at 23°C
Accuracy of dew point measurement - see details in graph 2 °C at ambient temperature lower than 25°C and RH > 30%; range -60 to +70 °C
Resolution of the reading 0.1°C, 0.1%RH
Real time clock year, leap year, month, day, hour, minute, second
Data logging interval adjustable from 10s to 24h (1minute to 24h in low-power mode)
Display and alarm refresh each 10 s (each 1 minute in low-power mode)
Total memory capacity 32000 temperature, humidity values in noncyclic logging mode
Data logging modes noncyclic - data logging stops after filling the memory
cyclic - after filling memory oldest data is overwritten by new
Power Lithium battery 3,6V, size AA
Typical battery life in low-power mode (1 minute sampling) 6 years
Typical battery life in fast mode (10 second sampling) 2.5 years
Battery life in continuous on-line mode with interval 1 minute reduced to 70% of the above lives in fast mode
Battery life in continuous on-line mode with interval 10 second 1 year
IP protection IP30
Dimensions 93x64x29mm
Weight including battery approximately 115g
Warranty 3 years
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