COMET system

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.

Comet U0110 temperature data logger
Immediately in stock
145,35 €
excl. VAT
175,87 € incl. VAT
Temperature range (max) | 70 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet U0110 datalogger is equipped with an internal temperature sensor that monitors temperature and stores it in internal memory. An…


Comet S0110E thermometer with internal sensor
Immediately in stock
99,58 €
excl. VAT
120,49 € incl. VAT
Temperature range (max) | 70 °C |
---|---|
Temperature range (min) | -30 °C |
Temperature data logger with large LCD display. It stores the measured values in a non-volatile electronic memory.


COMET Cloud credit
Immediately in stock
19,67 €
excl. VAT
23,80 € incl. VAT
COMET Cloud is a place where you can store measured data (temperature, humidity, pressure, CO2, voltage, etc.) from selected Comet…

Comet U3120 temperature and humidity data logger
Rating value is 4 of 5
Immediately in stock
230,88 €
excl. VAT
279,36 € incl. VAT
Temperature range (max) | 70 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet U3120 datalogger allows you to measure temperature, humidity and dew point and store the measured data in internal memory at a…


Comet R0110E temperature data logger
Immediately in stock
91,55 €
excl. VAT
110,78 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -40 °C |
The Comet R0110E datalogger is designed to monitor temperature using an internal sensor. The measured temperature is then stored in an…


Stabilized 12 V/450 mA mains adapter, without connector
Immediately in stock
11,64 €
excl. VAT
14,08 € incl. VAT
Exit | 12 V DC; 0,5 A max. |
---|
Mains socket adapter for Txxxx and Hxxxx series sensors with serial output - for connection to the terminal block. Standard EU fork type,…


Low cost temperature and humidity sensor Comet P3110E, 4-20mA output
Immediately in stock
135,72 €
excl. VAT
164,22 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet T3110E is a low cost room temperature and relative humidity sensor for outdoor and indoor use. The instrument is designed to…


Comet P8610 PoE thermometer with Ethernet output
Immediately in stock
186,31 €
excl. VAT
225,44 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
A thermometer with a built-in temperature sensor, the Comet P8610 is equipped with an Ethernet network output. You can display the measured…


Comet U0121 temperature data logger for two external Pt1000 probes
Immediately in stock
180,69 €
excl. VAT
218,63 € 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 U0121 temperature data logger is designed to record temperatures from two external Pt1000 probes. The data is stored in non…

Temperature data logger Comet U0111 single channel Pt1000
Immediately in stock
158,20 €
excl. VAT
191,42 € incl. VAT
Ext. temperature range sensors (max) | 260 °C |
---|---|
Ext. temperature range sensors (min) | -90 °C |
The Comet U0111 professional data logger is equipped with one input for an external Pt1000 probe, which can be connected via an ELKA…


Lithium battery 3,6V/C
Rating value is 5 of 5
Immediately in stock
22,89 €
excl. VAT
27,70 € incl. VAT
Replacement Lithium battery 3,6V, size C. The battery is designed for mounting in the SP015 battery holder. The battery is not compatible…

Comet SP003 cable for sensor setup via USB
Immediately in stock
30,92 €
excl. VAT
37,41 € incl. VAT
The Comet SP003 cable is used to set up and save changes instantly. Changes to settings made via Comet Cloud are reflected once every 24…

Temperature and humidity data logger Comet U3121 - ELKA
usually in stock
205,98 €
excl. VAT
249,24 € 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 |
Datalogger Comet U3121 has one input for external temperature and humidity sensor with ELKA connector. The operation of the data logger is…


Comet LP105 IoT SIM card
Immediately in stock
24,09 €
excl. VAT
29,15 € incl. VAT
The Comet LP105 SIM card with prepaid data of 500 MB allows sending values from the device to e.g. COMET Cloud and is sufficient for 2.5…

Comet F0000 sintered bronze air filter
Rating value is 5 of 5
Immediately in stock
17,67 €
excl. VAT
21,38 € incl. VAT
Comet F0000 sintered bronze air filter, replacement cap for sensors, filtering capacity 0,025mm.

WiFi temperature sensor Comet W0710
Immediately in stock
290,70 €
excl. VAT
351,75 € 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
342,10 €
excl. VAT
413,94 € 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 P4121 Pt1000 temperature transmitter -30°C to +80°C, 4 to 20 mA output
Immediately in stock
54,61 €
excl. VAT
66,08 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet P4121 fixed range transmitter (-30 to +80°C) is designed for temperature measurement using an external Pt1000 probe. Outdoor and…


Thermometer, hygrometer Comet P8611 PoE with Ethernet output
Immediately in stock
166,23 €
excl. VAT
201,14 € 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 U0141 temperature data logger for four external Pt1000 probes
Immediately in stock
242,92 €
excl. VAT
293,93 € 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 U0141 datalogger is designed to record temperatures from up to four external Pt1000 probes. The data is stored in non-volatile…


Comet U3120 IoT temperature and humidity datalogger
Rating value is 5 of 5
In stock
from
513,95 €
excl. VAT
from 621,88 € 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
444,49 €
excl. VAT
from 537,83 € 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
192,73 €
excl. VAT
233,20 € 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 SP015 holder for 3,6V lithium batteries
Rating value is 5 of 5
Immediately in stock
42,56 €
excl. VAT
51,50 € incl. VAT
The SP015 battery holder is used as an accessory for Sigfox battery powered sensors (Wx8xx series). One or two 3.6 V, size "C" lithium…


Comet thermometer W0811 with radio transmission
Rating value is 5 of 5
usually in stock
170,25 €
excl. VAT
206 € 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 …


Datalogger Comet U4440 for measuring temperature, humidity, CO2 and atmospheric pressure
In stock
448,50 €
excl. VAT
542,69 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
CO2 measurement range | 0 to 5000 ppm |
The datalogger is designed to record temperature, humidity, atmospheric pressure and CO2. When the set limits are exceeded, alarms are…


Datalogger Comet U3430 with built-in temperature, humidity and CO2 sensors
In stock
377,03 €
excl. VAT
456,21 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -20 °C |
Humidity measurement range | 0 to100% |
CO2 measurement range | 0 to 5000 ppm |
The datalogger is designed to record temperature, humidity and CO2. When the set limits are exceeded, alarms are indicated by LED, LCD and…


Datalogger Comet U6841 with 3 current inputs 0-20mA and 1 binary input
In stock
242,92 €
excl. VAT
293,93 € incl. VAT
The Comet U6841 datalogger is designed to measure and record signals from three 0-20mA current inputs and one binary input. The data is…


Thermometer, hygrometer Comet P8541 with Ethernet output
Immediately in stock
157,80 €
excl. VAT
190,94 € 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…


Web Sensor Comet T0510 temperature sensor with Ethernet output
Immediately in stock
215,22 €
excl. VAT
260,42 € 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
264,61 €
excl. VAT
320,18 € 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
335,27 €
excl. VAT
405,68 € 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…

Comet T3110 temperature and humidity sensor with 4-20mA output
Immediately in stock
218,03 €
excl. VAT
263,82 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
Comet T3110 is a room temperature and relative humidity sensor with 4-20mA current output. It can further convert the measured temperature…

Comet P0120 room temperature sensor with 4 to 20mA output
Immediately in stock
74,28 €
excl. VAT
89,88 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet P0120 sensor is designed for measuring air temperature. The device has a linear current output of 4-20mA designed for two-wire…


Digital thermometer, hygrometer with recording Comet D3120
Immediately in stock
260,19 €
excl. VAT
314,83 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -10 °C |
Humidity measurement range | 5 to 95 % |
The Comet D3120 thermometer is designed for measuring and recording room temperature and relative humidity with the possibility of direct…

WiFi temperature sensor Comet W0741
usually in stock
285,89 €
excl. VAT
345,93 € 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…


Zener barrier Comet ZbC2+
Immediately in stock
192,33 €
excl. VAT
232,72 € incl. VAT
The Comet ZbC2+ Zener barrier is a certified intrinsically safe interface used to connect a certified intrinsically safe device located in…


Wireless needle thermometer AGRO2P - 2 meters
within 7 days
509,54 €
excl. VAT
616,54 € 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…

Datalogger Comet U3631 temperature, humidity and with connector for external temperature probe
Immediately in stock
272,64 €
excl. VAT
329,89 € incl. VAT
Temperature range (max) | 70 °C |
---|---|
Temperature range (min) | -30 °C |
Ext. temperature range sensors (max) | 260 °C , závisí na typu sondy |
Ext. temperature range sensors (min) | -90 °C , závisí na typu sondy |
Humidity measurement range | 0 to100% |
The Comet U3631 datalogger is designed to record temperature, humidity and dew point temperature using internal sensors plus temperature…


Comet U0122 dual channel Pt1000 temperature data logger
Immediately in stock
180,69 €
excl. VAT
218,63 € incl. VAT
Temperature range (max) | 70 °C |
---|---|
Temperature range (min) | -30 °C |
The datalogger is designed to record temperatures from one external Pt1000 probe and an internal temperature sensor.The recording is…

Comet P4211 temperature transmitter with 0-10V output
In stock
77,09 €
excl. VAT
93,28 € incl. VAT
Temperature range (max) | 600 °C , závisí na typu připojené sondy |
---|---|
Temperature range (min) | -200 °C , závisí na typu připojené sondy |
The Comet T4211 transmitter is designed for temperature measurement using an external temperature probe with a Pt1000 sensor. The maximum…


Comet D3631 thermometer and hygrometer with recording
In stock
275,85 €
excl. VAT
333,78 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -10 °C |
Ext. temperature range sensors (max) | 250 °C , závisí na typu připojené sondy |
Ext. temperature range sensors (min) | -50 °C , závisí na typu připojené sondy |
Humidity measurement range | 5 to 95 % |
The Comet D3631 thermometer is designed for measuring and recording room temperature and relative humidity with the possibility of direct…


FP001 holder for Sigfox sensors and F8800 professional meteocrit
Immediately in stock
28,11 €
excl. VAT
34,01 € incl. VAT
The bracket must be ordered for mounting Sigfox sensors W0810, W0832, W3810, W7810 into the F8800 meteocrit.


Wireless thermometer Comet W0810 Sigfox IoT
Immediately in stock
158,20 €
excl. VAT
191,42 € 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
usually in stock
362,58 €
excl. VAT
438,72 € 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 F8000 meteocover for sensors, naturally ventilated
Upon request
218,03 €
excl. VAT
263,82 € incl. VAT
The Comet F8000 passive professional meteocover is designed to protect COMET temperature, relative humidity and pressure sensors from…

Comet T3117 temperature and humidity sensor with 4-20mA output
usually in stock
242,92 €
excl. VAT
293,93 € incl. VAT
Temperature range (max) | 125 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet T3117 sensor is designed to measure temperature and humidity, stem length 700mm. It can further convert the measured temperature…

Comet T4111 temperature transmitter with 4-20mA output
Immediately in stock
104,40 €
excl. VAT
126,32 € incl. VAT
Temperature range (max) | 600 °C , závisí na typu připojené sondy |
---|---|
Temperature range (min) | -200 °C , závisí na typu připojené sondy |
The Comet T4111 transmitter is designed for temperature measurement using an external temperature probe with a Pt1000 sensor. The maximum…