COMET system - Advanced features - Comet Cloud

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 …


Web Sensor Comet T0510 temperature sensor with Ethernet output
Immediately in stock
213,59 € excl. VAT
258,44 € incl. VAT
258,44 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Web Sensor Comet T0510 with built-in temperature probe with measuring range -30 to +80 °C. Communicates via Ethernet. The instrument is…

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…


WiFi temperature and relative humidity sensor Comet W3745
Immediately in stock
359,83 € excl. VAT
435,39 € incl. VAT
435,39 € 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…


Web Sensor Comet T3511 temperature and humidity sensor with Ethernet output
usually in stock
from
303,25 € excl. VAT
from 366,93 € incl. VAT
from 366,93 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T3511 with external temperature and humidity probe. It communicates via Ethernet and can further convert the measured…


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…


Comet H7530 temperature, humidity and pressure sensor, Ethernet output and two relays
In stock
453,08 € excl. VAT
548,23 € incl. VAT
548,23 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H7530 sensor is designed for online monitoring of temperature, humidity and atmospheric pressure using a built-in sensor and two…


Web Sensor Comet T7610 PoE temperature, humidity and pressure sensor with Ethernet output
In stock
443,91 € excl. VAT
537,13 € incl. VAT
537,13 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T7610 temperature, humidity and atmospheric pressure. It communicates via an Ethernet network that can be powered at the…

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.…


Web Sensor Comet T7510 temperature, humidity and pressure with Ethernet output
Upon request
403,27 € excl. VAT
487,96 € incl. VAT
487,96 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T7510 with built-in temperature, relative humidity and atmospheric pressure sensors. It communicates via Ethernet and can…


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…


Comet H3531R 19" rack-mount temperature and humidity sensor with Ethernet output and relay
In stock
from
434,35 € excl. VAT
from 525,56 € incl. VAT
from 525,56 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3531R sensor is designed for 19" rack mounting (1 rack unit height 1U) and for online monitoring of temperature and humidity…


Comet H3531P temperature and humidity sensor with Ethernet output and relay
In stock
from
517,23 € excl. VAT
from 625,85 € incl. VAT
from 625,85 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3531P sensor is designed for online monitoring of temperature and humidity of pressurized air up to 25 bar using an external…


Comet H3531 temperature and humidity sensor with Ethernet output and relay
In stock
from
412,83 € excl. VAT
from 499,52 € incl. VAT
from 499,52 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3531 sensor is designed for online monitoring of temperature and humidity using an external probe on a cable and two-state…


Comet H3530 temperature and humidity sensor with Ethernet output and relay
In stock
382,94 € excl. VAT
463,36 € incl. VAT
463,36 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3530 is designed for online monitoring of temperature and humidity using a built-in sensor and two-state variables from three…


Comet H5521 CO2 sensor with Ethernet output and two relays
Immediately in stock
830,05 € excl. VAT
1 004,36 € incl. VAT
1 004,36 € incl. VAT
CO2 measurement range | 10000 ppm |
---|
The Comet H5521 sensor is designed to monitor CO2 concentration using an external probe on a cable. The CO2 measurement is based on the…


Comet H5524 CO2 sensor with Ethernet output and two relays
Upon request
395,70 € excl. VAT
478,80 € incl. VAT
478,80 € incl. VAT
CO2 measurement range | 2000 ppm |
---|
The Comet H5524 sensor is designed to monitor CO2 using a built-in sensor. The CO2 measurement is based on the NDIR principle with dual…


Comet H4531 temperature sensor with Ethernet output and two relays
In stock
331,14 € excl. VAT
400,68 € incl. VAT
400,68 € incl. VAT
Temperature range (max) | 600 °C, závisí na typu připojené sondy |
---|---|
Temperature range (min) | -200 °C, závisí na typu připojené sondy |
The Comet H4531 sensor is designed for online temperature monitoring using an external Pt1000 probe on a cable (max. length 10m) and two…


Comet H7531 temperature, humidity and pressure sensor, Ethernet output and two relays
In stock
from
472,60 € excl. VAT
from 571,85 € incl. VAT
from 571,85 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H7531 sensor with external probe on cable is designed for online monitoring of temperature, humidity and atmospheric pressure and…


Comet H6520 temperature, humidity and CO2 sensor with Ethernet output and two relays
Upon request
506,08 € excl. VAT
612,36 € incl. VAT
612,36 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
CO2 measurement range | 2000 ppm |
The Comet H6520 is designed to monitor temperature, humidity and CO2 using a built-in sensor. The CO2 measurement is based on the NDIR…


Comet H4531R 19" rack mount temperature sensor with Ethernet output and relay
In stock
337,52 € excl. VAT
408,40 € incl. VAT
408,40 € incl. VAT
Temperature range (max) | 600 °C |
---|---|
Temperature range (min) | -200 °C |
The Comet H4531R sensor is designed for 19" rack mounting (1 rack unit height 1U) and for online temperature monitoring using an external…


Comet H0530 temperature sensor with Ethernet output and relay
In stock
340,31 € excl. VAT
411,78 € incl. VAT
411,78 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet H0530 sensor is designed for online temperature monitoring using a built-in sensor and two-state quantities from three binary…


Web Sensor Comet T7613D PoE temperature, humidity and pressure sensor with Ethernet output
In stock
458,26 € excl. VAT
554,49 € incl. VAT
554,49 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T7613D for air duct with built-in temperature, relative humidity and atmospheric pressure sensors. It communicates via an…


Web Sensor Comet T3611 PoE temperature and humidity sensor with Ethernet output
In stock
from
341,50 € excl. VAT
from 413,22 € incl. VAT
from 413,22 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T3611 PoE with external temperature and humidity probe. It communicates via Ethernet, which can be powered at the same…


Web Sensor Comet P8652 PoE dual channel sensor with binary inputs
Immediately in stock
193,27 € excl. VAT
233,86 € incl. VAT
233,86 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -55 °C |
Humidity measurement range | Dle připojené sondy DSxx |
The Web Sensor P8652 is used to measure temperature and relative humidity from up to two external probes. This makes it possible to take…


Web Sensor Comet T7511 temperature, humidity and pressure with Ethernet output
In stock
from
417,61 € excl. VAT
from 505,31 € incl. VAT
from 505,31 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T7511 with external temperature, humidity and atmospheric pressure probe. Communicates via Ethernet. It can further…


Web Sensor Comet P8511 temperature, humidity with Ethernet output
In stock
138,27 € excl. VAT
167,31 € incl. VAT
167,31 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -55 °C |
Web Sensor Comet P8511 allows you to connect one external digital probe equipped with a CINCH connector and measure a maximum of 2…


Web Sensor Comet P8552 dual channel sensor with binary inputs
Immediately in stock
167,76 € excl. VAT
202,99 € incl. VAT
202,99 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -55 °C |
Humidity measurement range | Dle připojené sondy DSxx |
The Web Sensor P8552 is used to measure temperature and relative humidity from up to two external probes. This makes it possible to take…


Web Sensor Comet T3511P temperature, humidity with pressure probe and Ethernet output
In stock
from
416,02 € excl. VAT
from 503,38 € incl. VAT
from 503,38 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
Web Sensor Comet T3511P with external temperature and humidity probe made of hard anodized duralumin suitable for measurement in…


Web Sensor Comet T0610 PoE temperature sensor with Ethernet output
In stock
254,23 € excl. VAT
307,62 € incl. VAT
307,62 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Web Sensor Comet T0610 with built-in temperature sensor. It communicates via Ethernet network, which can be powered at the same time. The…


Web Sensor Comet T4611 PoE temperature sensor with Ethernet output
In stock
233,11 € excl. VAT
282,06 € incl. VAT
282,06 € incl. VAT
Temperature range (max) | 600 °C, závisí na typu připojené sondy |
---|---|
Temperature range (min) | -190 °C, závisí na typu připojené sondy |
Web Sensor Comet T4611 is designed for external temperature probe Pt1000. The device can be equipped with different types of temperature…


Web Sensor Comet T6641 PoE temperature, humidity and CO2 with Ethernet output
Upon request
920,10 € excl. VAT
1 113,32 € incl. VAT
1 113,32 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 5 to 95 % |
CO2 measurement range | 10000 ppm |
Web Sensor Comet T6641 with external combined temperature and humidity probe and CO2 probe. The CO2 measurement is based on the NDIR…