COMET system - Advanced features - IoT sensor

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
288,50 € excl. VAT
349,09 € incl. VAT
349,09 € 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
339,51 € excl. VAT
410,81 € incl. VAT
410,81 € 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
510,06 € excl. VAT
from 617,17 € incl. VAT
from 617,17 € 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
441,12 € excl. VAT
from 533,76 € incl. VAT
from 533,76 € 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
191,27 € excl. VAT
231,44 € incl. VAT
231,44 € 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…


Comet thermometer W0811 with radio transmission
usually in stock
168,96 € excl. VAT
204,44 € incl. VAT
204,44 € incl. VAT
Temperature range (max) | 260 °C |
---|---|
Temperature range (min) | -90 °C |
The Comet W0811 wireless thermometer measures temperature via an external Pt1000 probe. It then sends the measured data via radio signal …

WiFi temperature and humidity sensor Comet W3711
Immediately in stock
262,60 € excl. VAT
317,75 € incl. VAT
317,75 € 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
283,72 € excl. VAT
343,30 € incl. VAT
343,30 € 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…


Wireless needle thermometer AGRO2P - 2 meters
within 7 days
505,68 € excl. VAT
611,87 € incl. VAT
611,87 € incl. VAT
Temperature range (max) | 200 °C |
---|---|
Temperature range (min) | -50 °C |
The 2 metre long needle thermometer is made of stainless steel. It is particularly suitable for use in agriculture, to measure the…


Wireless thermometer Comet W0810 Sigfox IoT
In stock
157 € excl. VAT
189,97 € incl. VAT
189,97 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet W0810 thermometer offers wireless transmission of measured data via the Sigfox radio network directly to the Comet Cloud, where…


Comet thermometer W0832 with radio transmission
Immediately in stock
226,74 € excl. VAT
274,36 € incl. VAT
274,36 € 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
271,77 € excl. VAT
328,84 € incl. VAT
328,84 € 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
534,37 € excl. VAT
646,59 € incl. VAT
646,59 € 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
727,63 € excl. VAT
from 880,43 € incl. VAT
from 880,43 € 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
506,87 € excl. VAT
from 613,31 € incl. VAT
from 613,31 € 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
486,55 € excl. VAT
from 588,73 € incl. VAT
from 588,73 € 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
510,06 € excl. VAT
from 617,17 € incl. VAT
from 617,17 € 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
510,06 € excl. VAT
from 617,17 € incl. VAT
from 617,17 € 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
514,05 € excl. VAT
from 622 € incl. VAT
from 622 € 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
649,13 € excl. VAT
from 785,45 € incl. VAT
from 785,45 € 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
510,06 € excl. VAT
from 617,17 € incl. VAT
from 617,17 € 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
456,66 € excl. VAT
552,56 € incl. VAT
552,56 € 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
279,34 € excl. VAT
338 € incl. VAT
338 € 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
404,86 € excl. VAT
489,88 € incl. VAT
489,88 € 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
486,55 € excl. VAT
from 588,73 € incl. VAT
from 588,73 € 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
514,05 € excl. VAT
from 622 € incl. VAT
from 622 € 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…


Wireless thermometer Comet W0810P Sigfox IoT
Upon request
160,59 € excl. VAT
194,31 € incl. VAT
194,31 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet W0810P thermometer offers wireless transmission of measured data via the Sigfox radio network directly to the Comet Cloud, where…


Comet W0832P thermometer with radio transmission
Immediately in stock
227,14 € excl. VAT
274,84 € incl. VAT
274,84 € 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
193,66 € excl. VAT
234,33 € incl. VAT
234,33 € 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…


Wireless needle thermometer AGRO1 with display - 1 meter
Immediately in stock
443,91 € excl. VAT
537,13 € incl. VAT
537,13 € incl. VAT
Temperature range (max) | 200 °C |
---|---|
Temperature range (min) | -50 °C |
The stainless steel needle thermometer is suitable for use in agriculture, for measuring the temperature of straw, compost, bulk mixtures…


Wireless needle thermometer AGRO4P - 4 meters
within 7 days
607,29 € excl. VAT
734,82 € incl. VAT
734,82 € incl. VAT
Temperature range (max) | 200 °C |
---|---|
Temperature range (min) | -50 °C |
The 4 metre long needle thermometer is made of stainless steel. It is particularly suitable for use in agriculture, to measure the…


Wireless needle thermometer AGRO1P - 1 meter
within 7 days
457,86 € excl. VAT
554,01 € incl. VAT
554,01 € incl. VAT
Temperature range (max) | 200 °C |
---|---|
Temperature range (min) | -50 °C |
The 1 metre long needle thermometer is made of stainless steel. It is particularly suitable for use in agriculture, to measure the…


AGRO2 wireless needle thermometer with display - 2 metres
within 7 days
513,65 € excl. VAT
621,52 € incl. VAT
621,52 € incl. VAT
Temperature range (max) | 200 °C |
---|---|
Temperature range (min) | -50 °C |
The needle thermometer with display is 2 metres long and made of stainless steel. The thermometer wirelessly transmits measured data via…