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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Temperature
Probes

C3121 Thermo-hygrometer

code: C3121
Thermometer, hygrometer is designed for direct measurement of temperature, relative humidity.

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

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. 

Included in delivery:

  • Traceable calibration certificate
  • 9V battery
  • Instruction manual
  • Plastic transport case
  • Connector for external ac/dc adapter

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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 No
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
Dimensions 141 x 71 x 27 mm, probe length 135mm, probe diameter 18mm
IP protection IP20
Weight including battery without probe approximately 150 g
Warranty 3 years
COMETEO Meteo Shield for Weather Sensors COMETEO Meteo Shield for Weather Sensors
code: F8100
Newly developed meteorological screen for humidity and temperature transmitters. Passive solar radiation and weather shelter for meteo sensors.
C3120 Thermo-hygrometer C3120 Thermo-hygrometer
code: C3120
Thermometer, hygrometer is designed for direct measurement of temperature, relative humidity.
D3121 Thermo-hygrometer D3121 Thermo-hygrometer
code: D3121
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 or Ethernet interface by means of a proper communication adapter.