COMET system - Advanced features - Email

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…


Thermometer, hygrometer Comet P8611 PoE with Ethernet output
Immediately in stock
164,97 € excl. VAT
199,61 € incl. VAT
199,61 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -55 °C |
Humidity measurement range | Podle zvolené sondy |
The Comet P8611 is an Ethernet sensor with one cinch connector for connecting a temperature or temperature and humidity probe (only for 2…


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,…


Thermometer with hygrometer Comet T3610 PoE with Ethernet output
Immediately in stock
332,74 € excl. VAT
402,62 € incl. VAT
402,62 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
The Comet T3610 thermometer with hygrometer can measure not only temperature and humidity but also dew point and calculated quantities such…

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…


Thermometer, hygrometer Comet P8541 with Ethernet output
Immediately in stock
156,60 € excl. VAT
189,49 € incl. VAT
189,49 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -55 °C |
Humidity measurement range | Podle zvolené sondy |
The Comet P8541 thermometer has four channels for connecting temperature and humidity digital probes. The measured values can be easily…


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…


Temperature, humidity, CO2 multilogger with barometer Comet M1323
Upon request
927,28 € excl. VAT
1 122,01 € incl. VAT
1 122,01 € incl. VAT
Temperature range (max) | 600 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -200 °C, depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
CO2 measurement range | 2000 ppm |
Multilogger Comet M1323 is maximally equipped for professional use. It can measure temperature, humidity, CO2, barometric pressure, voltage…


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…


Comet P8510 thermometer with Ethernet output
Immediately in stock
155,41 € excl. VAT
188,05 € incl. VAT
188,05 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet P8510 thermometer with built-in temperature sensor can be connected to your Ethernet network and the measured data can be stored…


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.…


Comet M1320 temperature and humidity multilogger
In stock
736,80 € excl. VAT
891,53 € incl. VAT
891,53 € incl. VAT
Temperature range (max) | 600 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -200 °C, depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
This professional multilogger Comet M1320 allows the connection of two probes with MinDin connectors and two more probes via a terminal…


Comet M1200 temperature multilogger
In stock
736,80 € excl. VAT
891,53 € incl. VAT
891,53 € incl. VAT
Temperature range (max) | 1800 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -200 °C, depends on the type of sensor |
The advanced Comet M1200 Multilogger allows the connection of up to four thermocouples type K, J, S, B, T, N. It can operate as a fixed…


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 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…


Measuring and recording control panel with alarms Comet MS6D
In stock
1 171,55 € excl. VAT
1 417,58 € incl. VAT
1 417,58 € incl. VAT
Temperature range (max) | 1800 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -200 °C, depends on the type of sensor |
Humidity measurement range | 0 to100%, depends on the type of sensor |
CO2 measurement range | depends on the type of sensor |
The Comet MS6D monitoring panel offers measurement of temperature, humidity, pressure, CO2, voltage, current, pulse and other variables. It…


Multilogger Comet M1300
Upon request
736,80 € excl. VAT
891,53 € incl. VAT
891,53 € incl. VAT
The professional multilogger Comet M1300 is equipped with four inputs for the terminal block. These offer the connection of external probes…


Comet M1322 temperature, humidity and CO2 multilogger
Upon request
862,72 € excl. VAT
1 043,89 € incl. VAT
1 043,89 € incl. VAT
Temperature range (max) | 600 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -200 °C, depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
CO2 measurement range | 2000 ppm |
Professional multilogger Comet M1322 for measuring, temperature, humidity, CO2, voltage or current. For these purposes, the datalogger is…


Comet M1321 temperature, humidity and barometer multilogger
Upon request
797,37 € excl. VAT
964,82 € incl. VAT
964,82 € incl. VAT
Temperature range (max) | 600 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -200 °C, depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
The Come M1321 professional multilogger measures temperature, humidity and barometric pressure. It is equipped with MiniDin connectors and…


Comet M1140 temperature and humidity multilogger
In stock
736,80 € excl. VAT
891,53 € incl. VAT
891,53 € incl. VAT
Temperature range (max) | 600 °C |
---|---|
Temperature range (min) | -200 °C |
The Comet M1140 Multilogger offers four inputs with MiniDin connectors to which temperature and humidity probes can be connected. The…


Comet M1220 temperature and humidity multilogger
Upon request
736,80 € excl. VAT
891,53 € incl. VAT
891,53 € incl. VAT
Temperature range (max) | 1800 °C, depends on the type of sensor |
---|---|
Temperature range (min) | -220 °C, depends on the type of sensor |
Humidity measurement range | depends on the type of sensor |
The professional Multilogger Comet M1220 offers the connection of two temperature or humidity probes via MiniDIN connector and two…


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…