COMET - Advanced features - Relative humidity

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 U3120 temperature and humidity data logger
Rating value is 4 of 5
Immediately in stock
236,77 €
excl. VAT
286,49 € 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…


Low cost temperature and humidity sensor Comet P3110E, 4-20mA output
Immediately in stock
139,18 €
excl. VAT
168,41 € 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…

Temperature and humidity data logger Comet U3121 - ELKA
Immediately in stock
211,24 €
excl. VAT
255,60 € 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…


Thermometer, hygrometer Comet P8541 with Ethernet output
Immediately in stock
161,83 €
excl. VAT
195,81 € 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…

WiFi temperature and humidity sensor Comet W3710
Immediately in stock
350,83 €
excl. VAT
424,50 € 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 with hygrometer Comet T3610 PoE with Ethernet output
Immediately in stock
343,83 €
excl. VAT
416,03 € 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…


Thermometer, hygrometer Comet P8611 PoE with Ethernet output
Immediately in stock
170,48 €
excl. VAT
206,28 € 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…


Datalogger Comet U3430 with built-in temperature, humidity and CO2 sensors
usually in stock
386,66 €
excl. VAT
467,86 € 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…


Comet U3120 IoT temperature and humidity datalogger
Rating value is 5 of 5
usually in stock
from
527,07 €
excl. VAT
from 637,75 € 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…


Wireless thermometer with hygrometer Comet W3810 Sigfox IoT
Immediately in stock
197,65 €
excl. VAT
239,16 € 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…

WiFi temperature and humidity sensor Comet W3711
Immediately in stock
271,36 €
excl. VAT
328,35 € 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
459,95 €
excl. VAT
556,54 € 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…


Comet T3111 temperature and humidity sensor with 4-20mA output
usually in stock
from
241,71 €
excl. VAT
from 292,47 € incl. VAT
| Temperature range (max) | 105 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T3111 sensor is designed to measure temperature and humidity using an external probe. The instrument comes standard with a T+RV…

Comet T3110 temperature and humidity sensor with 4-20mA output
Immediately in stock
223,59 €
excl. VAT
270,54 € 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…


Digital thermometer, hygrometer with recording Comet D3120
Immediately in stock
266,83 €
excl. VAT
322,86 € 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…

Datalogger Comet U3631 temperature, humidity and with connector for external temperature probe
Immediately in stock
279,60 €
excl. VAT
338,32 € 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 D3631 thermometer and hygrometer with recording
usually in stock
282,89 €
excl. VAT
342,30 € 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
371,83 €
excl. VAT
449,91 € 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
313,36 €
excl. VAT
from 379,17 € 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 T3117 temperature and humidity sensor with 4-20mA output
usually in stock
249,12 €
excl. VAT
301,44 € 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 T3411 temperature and humidity sensor with RS485 output
Upon request
255,30 €
excl. VAT
308,91 € incl. VAT
| Temperature range (max) | 80 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T3411 is designed to measure temperature and relative humidity using a built-in sensor. It can further convert the measured…

Comet C4141 thermometer, hygrometer and barometer with external probe on cable
Immediately in stock
from
290,30 €
excl. VAT
from 351,26 € 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
usually in stock
356,19 €
excl. VAT
430,99 € 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…


Thermometer, hygrometer Comet D3121 with external probe on cable
usually in stock
from
280,83 €
excl. VAT
from 339,80 € 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 U4130 temperature, humidity and pressure data logger
Immediately in stock
311,30 €
excl. VAT
376,67 € incl. VAT
| Temperature range (max) | 70 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet U4130 stores temperature, relative humidity and atmospheric pressure in an internal memory that can store up to 500,000 values.…

Comet T3113 temperature and humidity sensor with 4-20mA output
usually in stock
240,07 €
excl. VAT
290,48 € incl. VAT
| Temperature range (max) | 125 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T3113 sensor is designed to measure temperature and humidity in air ducts, stem length 150mm. It can further convert the measured…

Indoor temperature and humidity sensor Comet T3118, 4-20mA output
usually in stock
178,71 €
excl. VAT
216,24 € incl. VAT
| Temperature range (max) | 50 °C |
|---|---|
| Temperature range (min) | -10 °C |
| Humidity measurement range | 5 to 95 % |
The Comet T3118 indoor sensor is designed for measuring indoor temperature and relative humidity and for energy management in buildings. It…


Temperature, humidity, CO2 multilogger with barometer Comet M1323
Upon request
958,20 €
excl. VAT
1 159,42 € 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 T0213D temperature and humidity sensor with 0-10V output
In stock
235,54 €
excl. VAT
285 € incl. VAT
| Temperature range (max) | 125 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T0213D sensor is designed to measure temperature and relative humidity in the air duct using a built-in sensor, the length of the…

Comet T0213 temperature and humidity sensor with 0-10V output
usually in stock
235,54 €
excl. VAT
285 € incl. VAT
| Temperature range (max) | 125 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T0213 sensor is designed to measure temperature and relative humidity in the air duct using a built-in sensor, the length of the…


Comet H7530 temperature, humidity and pressure sensor, Ethernet output and two relays
In stock
468,19 €
excl. VAT
566,51 € 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 T7410 temperature, humidity and pressure sensor with RS485 output
In stock
367,72 €
excl. VAT
444,94 € incl. VAT
| Temperature range (max) | 80 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T7410 sensor is designed to measure temperature, relative humidity and atmospheric pressure using a built-in sensor. It can also…


Comet T3319 temperature and humidity sensor with RS232 output
usually in stock
from
207,95 €
excl. VAT
from 251,62 € incl. VAT
| Temperature range (max) | 105 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T3319 sensor is designed to measure temperature and relative humidity using an external probe on a cable. The instrument comes…

Comet T3311 temperature and humidity sensor with RS232 output
Upon request
179,53 €
excl. VAT
217,23 € incl. VAT
| Temperature range (max) | 80 °C |
|---|---|
| Temperature range (min) | -30 °C |
| Humidity measurement range | 0 to100% |
The Comet T3311 is designed to measure temperature and relative humidity using a built-in sensor. It can further convert the measured…


Comet D4141 thermometer, hygrometer and barometer with external probe on cable
usually in stock
from
371,83 €
excl. VAT
from 449,91 € 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
265,60 €
excl. VAT
321,38 € 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…


Web Sensor Comet T7610 PoE temperature, humidity and pressure sensor with Ethernet output
usually in stock
458,72 €
excl. VAT
555,05 € 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, humidity, pressure and CO2 sensor Comet W4710
usually in stock
552,19 €
excl. VAT
668,15 € 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
Upon request
761,38 €
excl. VAT
921,27 € 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…


Web Sensor Comet T7510 temperature, humidity and pressure with Ethernet output
In stock
416,72 €
excl. VAT
504,23 € 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
751,90 €
excl. VAT
from 909,80 € 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
523,78 €
excl. VAT
from 633,77 € 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
usually in stock
from
502,78 €
excl. VAT
from 608,36 € 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 T7418 indoor temperature, humidity and pressure sensor with RS485 output
In stock
313,36 €
excl. VAT
379,17 € incl. VAT
| Temperature range (max) | 50 °C |
|---|---|
| Temperature range (min) | -10 °C |
| Humidity measurement range | 5 to 95 % |
The Comet T7418 indoor sensor is designed to measure temperature, relative humidity and atmospheric pressure indoors and for building…

Comet T7318 indoor temperature, humidity and pressure sensor with RS232 output
Upon request
246,24 €
excl. VAT
297,95 € incl. VAT
| Temperature range (max) | 50 °C |
|---|---|
| Temperature range (min) | -10 °C |
| Humidity measurement range | 5 to 95 % |
The Comet T7318 indoor sensor is designed to measure temperature, relative humidity and atmospheric pressure indoors and for building…

Comet T3418 indoor temperature and humidity sensor with RS485 output
In stock
223,59 €
excl. VAT
270,54 € incl. VAT
| Temperature range (max) | 50 °C |
|---|---|
| Temperature range (min) | -10 °C |
| Humidity measurement range | 5 to 95 % |
The Comet T3418 indoor sensor is designed for measuring indoor temperature and relative humidity and for energy management in buildings. It…

Comet T3318 indoor temperature and humidity sensor with RS232 output
In stock
156,06 €
excl. VAT
188,83 € incl. VAT
| Temperature range (max) | 50 °C |
|---|---|
| Temperature range (min) | -10 °C |
| Humidity measurement range | 5 to 95 % |
The Comet T3318 indoor sensor is designed for measuring indoor temperature and relative humidity and for energy management in buildings. It…

Comet T3218 indoor temperature and humidity sensor with 0-10V output
In stock
178,71 €
excl. VAT
216,24 € incl. VAT
| Temperature range (max) | 50 °C |
|---|---|
| Temperature range (min) | -10 °C |
| Humidity measurement range | 5 to 95 % |
The Comet T3218 indoor sensor is designed for measuring indoor temperature and relative humidity and for energy management in buildings. It…

