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

E-mail: info@cometsystem.com


 

Monitoring
Systems
Multiloggers Transmitters
And Regulators
Data
Loggers
Temperature
Recorder with Printer
Portable
Instruments
Temperature
Probes

D3121 Thermo-hygrometer

code: D3121
Thermometer, hygrometer is designed for measurement and datalogging of temperature, relative humidity into the internal non-volatile memory.

Free PC program enables to transfer recorded data to the computer for evaluation. LCD backlight.

Audio and optical alarm of measured values.
Memory of minimum and maximum measured values.
Function Hold - manual storing of actual values for later displaying.

Data logger is connected to the PC through included USB cable only for data trasfer from the memory. During connection with the PC no measurement and record is enabled.

Simultaneous reading of temperature and relative humidity, dew point temperature reading selectable, external temperature-humidity probe with 1meter cable. Cable lengths 2 and 4 meters available optionally. Probe diameter is 18mm, length 135mm.

Included in delivery:

  • Traceable calibration certificate
  • 9V battery
  • Instruction manual
  • Plastic transport case
  • Connector for external ac/dc adapter
  • mini USB cable
  • Self adhesive Dual Lock for easy installation
  • Free basic Windows software is ready to download at folder Download

 


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Features

Technical Data

Technical parameters Value
Measured Value Temperature + Relative Humidity
Construction Type With T+RH Probe on Cable
Temperature Measuring Range -30 to 105 °C
Data Logging Function Yes
Operating temperature range -10 to +60°C
Temperature sensor RTD Ni1000/6180ppm
Accuracy of temperature measurement with built-in sensor ±0.4°C
Accuracy of air humidity measurement ±2.5%RH from 5 to 95% at 23°C, resolution 0.1%
Accuracy of dew point measurement 1.5 °C at ambient T < 25°C and RH>30%,
range -60 to +80 °C
Power battery 9V
Battery life 4 months typically
Real time clock year, leap year, month, day, hour, minute, second
PC interface USB
Sampling interval in data logging mode 10s to 24hours (18 adjustable intervals)
Total memory capacity up to 16000 recorded values
Data logging modes noncyclic - data logging stops after filling the memory
cyclic - after filling memory oldest data is overwritten by new
Dimensions 141 x 71 x 27 mm, probe length 135mm, probe diameter 18mm
IP protection IP20
Weight including battery without probe approximately 150g
Warranty 3 years

  size
doc Instruction Manual 780 kB
doc Quick Start Manual 440 kB
doc Datasheet 570 kB
doc Declaration of Conformity 100 kB
doc COMMETERs Catalog 5.9 MB

COMET Vision - Software for Dataloggers and Multiloggers, Code: CV more »
doc Comet Vision - version 1.3.6467.25972 14.2 MB
doc Comet Vision - history of changes 8 kB
doc Comet Vision - manual 1.4 MB

COMET Vision - Software for Dataloggers and Multiloggers COMET Vision - Software for Dataloggers and Multiloggers
code: CV
COMET Vision - Software for COMET Dataloggers Sxxxx, Rxxxx, Commeters Dxxxx and Multiloggers Mxxxx.
D3120 Thermo-hygrometer D3120 Thermo-hygrometer
code: D3120
Thermometer, hygrometer is designed for measurement and datalogging of temperature, relative humidity into the internal non-volatile memory.
Thermo-hygrometer with external probe Thermo-hygrometer with external probe
code: S3121
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.
COMETEO Multi-Plate Radiation Shield for Sensors, Naturally Ventilated COMETEO Multi-Plate Radiation Shield for Sensors, Naturally Ventilated
code: F8100
Newly developed meteorological screen for humidity and temperature transmitters.

Professional passive solar radiation and weather shelter for meteo sensors.

Multilogger M1323 - thermo-hygro-CO2-barometer with 2 MiniDIN and 2 Terminals Multilogger M1323 - thermo-hygro-CO2-barometer with 2 MiniDIN and 2 Terminals
code: M1323
Universal datalogger with 4 hardware inputs, internal CO2 and atmospheric pressure sensors.
Multilogger can be installed permanently to Ethernet network or work as portable device.
Included is traceable calibration certificate in accordance with EN ISO/IEC17025.