COMET system - Advanced features - Wirelessly

For 30 years COMET system has been producing advanced measuring technology for environmental monitoring in industry, health and research, agriculture, IT datacenters and metrology.
We are an authorized distributor of the Czech producer of dataloggers, thermometers, sensors and monitoring systems COMET. We provide sales and calibration of most products of this brand. COMET system products can be purchased directly in our e-shop including calibration.

WiFi temperature sensor Comet W0710
Immediately in stock
289,02 € excl. VAT
349,71 € incl. VAT
349,71 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet W0710 Wireless WiFi Temperature Sensor can be easily connected using your building's existing WiFi network. Simply place it at…

WiFi temperature and humidity sensor Comet W3710
Immediately in stock
340,12 € excl. VAT
411,55 € incl. VAT
411,55 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 10 to 95% |
The Comet W3710 wireless sensor is equipped with a built-in temperature and relative humidity sensor. It is particularly suitable for…


Comet U3120 IoT temperature and humidity datalogger
In stock
from
510,98 € excl. VAT
from 618,29 € incl. VAT
from 618,29 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
The Comet U3120M and U3120G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…


Comet U0110 IoT temperature data logger with built-in sensor and modem
usually in stock
from
441,92 € excl. VAT
from 534,72 € incl. VAT
from 534,72 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
The Comet U0110M and U0110G temperature data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card,…


Wireless thermometer with hygrometer Comet W3810 Sigfox IoT
Immediately in stock
191,62 € excl. VAT
231,86 € incl. VAT
231,86 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet W3810 Wireless Thermometer and Hygrometer works using the Sigfox radio network to transmit temperature and humidity measurements…

WiFi temperature and humidity sensor Comet W3711
Immediately in stock
263,07 € excl. VAT
318,31 € incl. VAT
318,31 € incl. VAT
Temperature range (max) | depends on the type of sensor |
---|---|
Temperature range (min) | depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
The Comet W3711 wireless WiFi sensor can be used wherever there is a WiFi signal. This makes it ideal for use in buildings, warehouses,…

WiFi temperature sensor Comet W0741
Immediately in stock
284,23 € excl. VAT
343,92 € incl. VAT
343,92 € incl. VAT
Temperature range (max) | 260 °C |
---|---|
Temperature range (min) | -90 °C |
The Comet W0741 wireless WiFi sensor is equipped with four outputs for external Pt1000 temperature probes. The installation of the sensor…


WiFi temperature and relative humidity sensor Comet W3745
Immediately in stock
360,48 € excl. VAT
436,18 € incl. VAT
436,18 € incl. VAT
Ext. temperature range sensors (max) | 400 °C, závisí na typu sondy |
---|---|
Ext. temperature range sensors (min) | -190 °C, závisí na typu sondy |
Humidity measurement range | 0 to100%, závisí na typu připojené sondy |
The Comet W3745 WiFi sensor is designed to measure temperature and relative humidity from one external combination probe with ELKA…


Comet thermometer W0832 with radio transmission
Immediately in stock
227,15 € excl. VAT
274,85 € incl. VAT
274,85 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Ext. temperature range sensors (max) | 260 °C |
Ext. temperature range sensors (min) | -90 °C |
The Comet W0832 wireless thermometer measures temperature using a built-in sensor and two external probes, which can be purchased as…

WiFi temperature sensor Comet W0711
Immediately in stock
272,26 € excl. VAT
329,43 € incl. VAT
329,43 € incl. VAT
Temperature range (max) | 260 °C |
---|---|
Temperature range (min) | -90 °C |
The Comet W0711 is a WiFi wireless sensor to which you can connect one external Pt100 probe with a CINCH connector. This sensor is…

WiFi temperature, humidity, pressure and CO2 sensor Comet W4710
In stock
535,33 € excl. VAT
647,75 € incl. VAT
647,75 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to 95% |
CO2 measurement range | 5000 ppm |
The Comet W4710 WiFi sensor is versatile with internal sensors for measuring temperature, relative humidity, barometric pressure and CO2.…


Comet U4440 IoT temperature, humidity, CO2 and pressure data logger
In stock
from
728,94 € excl. VAT
from 882,02 € incl. VAT
from 882,02 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
CO2 measurement range | 5000 ppm, 0 to 5000 ppm |
Comet U4440M and U4440G are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate connection to the…


Datalogger Comet U3631 IoT temperature, humidity and external probe connector
In stock
from
507,78 € excl. VAT
from 614,41 € incl. VAT
from 614,41 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Ext. temperature range sensors (max) | 260 °C |
Ext. temperature range sensors (min) | -90 °C |
Humidity measurement range | 0 to100% |
The Comet U3631M and U3631G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…


Comet U3121 IoT temperature and humidity datalogger for external probe
In stock
from
487,43 € excl. VAT
from 589,79 € incl. VAT
from 589,79 € incl. VAT
The Comet U3121M and U3121G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…


Comet U0141 temperature data logger with modem
Immediately in stock
from
510,98 € excl. VAT
from 618,29 € incl. VAT
from 618,29 € incl. VAT
Ext. temperature range sensors (max) | 260 °C, závisí na typu sondy |
---|---|
Ext. temperature range sensors (min) | -200 °C, závisí na typu sondy |
The Comet U0141M and U0141G data loggers are designed to measure temperature via four external probes with ELKA connectors. The main…


Comet U0843 IoT temperature data logger for 2 external probes and with two binary inputs
In stock
from
510,98 € excl. VAT
from 618,29 € incl. VAT
from 618,29 € incl. VAT
The Comet U0843M and U0843G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…


Datalogger Comet U6841 IoT with 3 current inputs 0-20mA and 1 binary input
In stock
from
514,97 € excl. VAT
from 623,11 € incl. VAT
from 623,11 € incl. VAT
The Comet U6841M and U6841G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…


Datalogger Comet U8410 IoT with built-in CO2 sensor
In stock
from
650,30 € excl. VAT
from 786,86 € incl. VAT
from 786,86 € incl. VAT
CO2 measurement range | 5000 ppm |
---|
The GSM datalogger is designed to record CO2 from a built-in sensor. In case of exceeding the set limits, it allows sending alarm SMS and…


Datalogger Comet U7844 IoT with binary and read inputs
Upon request
from
510,98 € excl. VAT
from 618,29 € incl. VAT
from 618,29 € incl. VAT
The Comet U7844M and U7844G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…

WiFi CO2 sensor Comet W5714
In stock
457,49 € excl. VAT
553,56 € incl. VAT
553,56 € incl. VAT
CO2 measurement range | 5000 ppm |
---|
The wireless WiFi CO2 sensor from the Czech manufacturer Comet system is ideal for placement in an area that is covered by a WiFi signal.…

WiFi temperature and humidity sensor Comet W3721
Immediately in stock
279,84 € excl. VAT
338,61 € incl. VAT
338,61 € incl. VAT
Temperature range (max) | depends on the type of sensor |
---|---|
Temperature range (min) | depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
This Comet W3721 wireless temperature and relative humidity sensor can be easily connected to your WiFi network. It is ideal for…

WiFi temperature, humidity and pressure sensor Comet W7710
In stock
405,59 € excl. VAT
490,76 € incl. VAT
490,76 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to 95% |
The Comet W7710 is a wireless sensor that you simply install within range of your WiFi network. Thanks to the built-in sensor, it can…


Comet U0121 IoT temperature data logger for 2 external Pt1000 probes
Immediately in stock
from
487,43 € excl. VAT
from 589,79 € incl. VAT
from 589,79 € incl. VAT
Ext. temperature range sensors (max) | 260 °C, závisí na typu sondy |
---|---|
Ext. temperature range sensors (min) | -200 °C, závisí na typu sondy |
The Comet U0121M and U0121G IoT temperature data loggers for 2 external temperature sensors, with modem, are designed to record…


Datalogger Comet U5841 with 3 voltage inputs 0-10V and 1 binary input
In stock
from
514,97 € excl. VAT
from 623,11 € incl. VAT
from 623,11 € incl. VAT
The Comet U5841M and U5841G data loggers are IoT wireless data loggers with built-in GSM modem. After purchasing a SIM card, immediate…


Comet W0832P thermometer with radio transmission
Immediately in stock
227,54 € excl. VAT
275,32 € incl. VAT
275,32 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Ext. temperature range sensors (max) | 260 °C |
Ext. temperature range sensors (min) | -200 °C |
The Comet W0832P wireless thermometer measures temperature using a built-in sensor and two external probes, which can be purchased as…


Wireless thermometer with hygrometer Comet W3810P Sigfox IoT
Immediately in stock
194,01 € excl. VAT
234,75 € incl. VAT
234,75 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet W3810P Wireless Thermometer and Hygrometer works using the Sigfox radio network to transmit temperature and humidity measurements…