COMET system - Advanced features - Min / Max

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
129,83 € excl. VAT
144,25 €
157,09 € incl. VAT
157,09 € 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 U3120 temperature and humidity data logger
Immediately in stock
206,22 € excl. VAT
229,13 €
249,53 € incl. VAT
249,53 € 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 U0121 temperature data logger for two external Pt1000 probes
Immediately in stock
161,39 € excl. VAT
179,32 €
195,28 € incl. VAT
195,28 € 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 and humidity data logger Comet U3121 - ELKA
Immediately in stock
183,98 € excl. VAT
204,42 €
222,62 € incl. VAT
222,62 € 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…

Temperature data logger Comet U0111 single channel Pt1000
Immediately in stock
141,30 € excl. VAT
157 €
170,97 € incl. VAT
170,97 € 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…

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 U0141 temperature data logger for four external Pt1000 probes
Immediately in stock
216,98 € excl. VAT
241,08 €
262,55 € incl. VAT
262,55 € 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
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,…


Datalogger Comet U3430 with built-in temperature, humidity and CO2 sensors
In stock
374,18 € excl. VAT
452,76 € incl. VAT
452,76 € 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
241,08 € excl. VAT
291,71 € incl. VAT
291,71 € 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…

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,…


Datalogger Comet U4440 for measuring temperature, humidity, CO2 and atmospheric pressure
In stock
445,11 € excl. VAT
538,58 € incl. VAT
538,58 € 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…


Digital thermometer, hygrometer with recording Comet D3120
Immediately in stock
258,22 € excl. VAT
312,45 € incl. VAT
312,45 € 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
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…

Datalogger Comet U3631 temperature, humidity and with connector for external temperature probe
Immediately in stock
270,57 € excl. VAT
327,39 € incl. VAT
327,39 € 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
179,32 € excl. VAT
216,98 € incl. VAT
216,98 € 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…


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…


Comet D3631 thermometer and hygrometer with recording
In stock
273,76 € excl. VAT
331,25 € incl. VAT
331,25 € 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…


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…

Comet C4141 thermometer, hygrometer and barometer with external probe on cable
Immediately in stock
from
280,93 € excl. VAT
from 339,93 € incl. VAT
from 339,93 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 5 to 100% |
The Comet C4141 is designed to measure temperature, relative humidity and atmospheric pressure (it also measures the pressure tendency over…


Thermometer, hygrometer and barometer Comet D4130
Upon request
344,69 € excl. VAT
417,07 € incl. VAT
417,07 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -10 °C |
Humidity measurement range | 5 to 95 % |
The Comet D4130 is designed to measure and record temperature, relative humidity and atmospheric pressure (it also measures the pressure…


Datalogger Comet U5841 with 3 voltage inputs 0-10V and 1 binary input
In stock
241,08 € excl. VAT
291,71 € incl. VAT
291,71 € incl. VAT
The Comet U5841 datalogger is designed to measure and record signals from three 0-10V voltage inputs and one binary input. The data is…

Datalogger Comet U7844 with binary and read inputs
In stock
241,08 € excl. VAT
291,71 € incl. VAT
291,71 € incl. VAT
The Comet U7844 datalogger is designed to monitor and record signals from four inputs, binary or pulse counters, see optional configuration…


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 D4141 thermometer, hygrometer and barometer with external probe on cable
In stock
from
359,83 € excl. VAT
from 435,39 € incl. VAT
from 435,39 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet D4141 is designed to measure and record temperature, relative humidity and atmospheric pressure (it also measures the pressure…


Thermometer, hygrometer Comet C3633 with probe for surface temperature measurement
Immediately in stock
257,02 € excl. VAT
310,99 € incl. VAT
310,99 € incl. VAT
Temperature range (max) | 60 °C |
---|---|
Temperature range (min) | -10 °C |
Humidity measurement range | 5 to 95 % |
The Comet C3633 is a high-precision thermometer and hygrometer with acoustic and optical alarm of measured values. It is designed to…


Thermometer, hygrometer Comet D3121 with external probe on cable
Immediately in stock
from
271,77 € excl. VAT
from 328,84 € incl. VAT
from 328,84 € incl. VAT
Ext. temperature range sensors (max) | 105 °C |
---|---|
Ext. temperature range sensors (min) | -30 °C |
Humidity measurement range | 0 to100% |
Thermometer, hygrometer Comet D3121 with external probe on the cable is designed for direct measurement and recording of temperature,…


Comet G0241 temperature logger for temperature monitoring during transport
Upon request
716,48 € excl. VAT
866,94 € incl. VAT
866,94 € incl. VAT
Temperature range (max) | 260 °C |
---|---|
Temperature range (min) | -90 °C |
The Comet G0241 thermometer can be installed directly in the driver's cab. Using the two outputs to the external Pt1000 temperature sensor,…

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…


Comet M1200E temperature multilogger with 4 thermocouple inputs
In stock
424,79 € excl. VAT
514 € incl. VAT
514 € incl. VAT
Temperature range (max) | 1800 °C, závisí na typu připojené sondy |
---|---|
Temperature range (min) | -200 °C, závisí na typu připojené sondy |
The Comet M1200E Multilogger is designed to measure and record up to 16 variables with adjustable recording intervals from 1s to 24h. It…

Datalogger Comet U0541 for recording 0-10V voltage and temperature from external probes
In stock
241,08 € excl. VAT
291,71 € incl. VAT
291,71 € 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 U0541 datalogger is designed to record temperatures from two external Pt1000 probes and record 0-10V voltages from two inputs.…


Datalogger Comet U8410 with built-in CO2 sensor
In stock
338,31 € excl. VAT
409,36 € incl. VAT
409,36 € incl. VAT
CO2 measurement range | 5000 ppm |
---|
The datalogger is designed for CO2 from a built-in sensor. When the set limits are exceeded, alarms are indicated by LED, LCD and…


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…


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…