COMET system - Advanced features - Relay output

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 H7530 temperature, humidity and pressure sensor, Ethernet output and two relays
In stock
453,89 € excl. VAT
549,21 € incl. VAT
549,21 € 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 H4431 temperature transmitter and controller with RS485 output
In stock
261,08 € excl. VAT
315,91 € incl. VAT
315,91 € incl. VAT
Temperature range (max) | 600 °C, závisí na typu připojené sondy |
---|---|
Temperature range (min) | -200 °C, závisí na typu připojené sondy |
The Comet H4431 is designed for online temperature monitoring using an external Pt1000 probe on a cable (max. length 10m) and two-state…

Comet H4331 temperature transmitter and controller with RS232 output
Upon request
218,76 € excl. VAT
264,70 € incl. VAT
264,70 € incl. VAT
Temperature range (max) | 600 °C, závisí na typu připojené sondy |
---|---|
Temperature range (min) | -200 °C, závisí na typu připojené sondy |
The Comet H4331 is designed for online temperature monitoring using an external Pt1000 probe on a cable (max. length 10m) and two-state…


Comet H3531R 19" rack-mount temperature and humidity sensor with Ethernet output and relay
In stock
from
435,13 € excl. VAT
from 526,51 € incl. VAT
from 526,51 € 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
518,16 € excl. VAT
from 626,97 € incl. VAT
from 626,97 € 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
413,57 € excl. VAT
from 500,42 € incl. VAT
from 500,42 € 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
383,63 € excl. VAT
464,19 € incl. VAT
464,19 € 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
831,54 € excl. VAT
1 006,16 € incl. VAT
1 006,16 € 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
396,41 € excl. VAT
479,66 € incl. VAT
479,66 € 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…

Temperature, humidity and CO2 sensor and controller Comet H6420 with RS485 output
Upon request
491,82 € excl. VAT
595,10 € incl. VAT
595,10 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
CO2 measurement range | 2000 ppm |
The Comet H6420 is designed to measure CO2 concentration, temperature and humidity using built-in sensors. The CO2 measurement is based on…

Temperature, humidity and CO2 sensor and controller Comet H6320 with RS232 output
Upon request
440,72 € excl. VAT
533,27 € incl. VAT
533,27 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
CO2 measurement range | 2000 ppm |
The Comet H6320 is designed to measure CO2 concentration, temperature and humidity using built-in sensors. The CO2 measurement is based on…

Comet H0430 temperature sensor and controller with RS485 output
In stock
289,02 € excl. VAT
349,71 € incl. VAT
349,71 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
The Comet H0430 is designed for online temperature monitoring using a built-in sensor and dual-state variables from three binary inputs.…

Comet H3431 temperature and humidity sensor and controller with RS485 output
In stock
from
374,85 € excl. VAT
from 453,57 € incl. VAT
from 453,57 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3431 is designed for online monitoring of temperature and relative humidity using an external probe and dual-state variables…

Comet H3430 temperature and humidity sensor and controller with RS485 output
Upon request
355,69 € excl. VAT
430,38 € incl. VAT
430,38 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3430 is designed for online monitoring of temperature and relative humidity using a built-in sensor and dual-state variables…

Comet H5421 CO2 sensor and controller with external probe and RS485 output
Upon request
812,38 € excl. VAT
982,98 € incl. VAT
982,98 € incl. VAT
CO2 measurement range | 10000 ppm |
---|
The Comet H5421 is designed to measure CO2 concentration using an external probe on a cable. The CO2 measurement is based on the NDIR…

Comet H5424 CO2 sensor and controller with RS485 output
Upon request
370,46 € excl. VAT
448,26 € incl. VAT
448,26 € incl. VAT
CO2 measurement range | 2000 ppm |
---|
The Comet H5424 is designed to measure CO2 concentration using a built-in sensor. The CO2 measurement is based on the NDIR principle with…

Comet H5321 CO2 sensor and controller with external probe and RS232 output
Upon request
771,66 € excl. VAT
933,71 € incl. VAT
933,71 € incl. VAT
CO2 measurement range | 10000 ppm |
---|
The Comet H5321 is designed to measure CO2 concentration using an external probe on a cable. The CO2 measurement is based on the NDIR…

Comet H5324 CO2 sensor and controller with RS232 output
Upon request
338,92 € excl. VAT
410,09 € incl. VAT
410,09 € incl. VAT
CO2 measurement range | 2000 ppm |
---|
The Comet H5324 is designed to measure CO2 concentration using a built-in sensor. The CO2 measurement is based on the NDIR principle with…

Comet H7430 temperature, humidity and pressure controller with RS485 output
In stock
426,75 € excl. VAT
516,37 € incl. VAT
516,37 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H7430 is designed for online monitoring of temperature, relative humidity and atmospheric pressure using a built-in sensor and…

Comet H3331 temperature and humidity sensor and controller with RS232 output
In stock
from
319,36 € excl. VAT
from 386,43 € incl. VAT
from 386,43 € incl. VAT
Temperature range (max) | 105 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3331 is designed for online monitoring of temperature and humidity using an external probe on a cable and dual state variables…

Temperature and humidity controller Comet H3020, output to 2 relays
In stock
284,23 € excl. VAT
343,92 € incl. VAT
343,92 € incl. VAT
Temperature range (max) | 80 °C |
---|---|
Temperature range (min) | -30 °C |
Humidity measurement range | 0 to100% |
The Comet H3020 controller is designed for online monitoring of temperature and relative humidity using a built-in sensor. Two relay…


Comet H4531 temperature sensor with Ethernet output and two relays
In stock
331,74 € excl. VAT
401,41 € incl. VAT
401,41 € 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
473,45 € excl. VAT
from 572,87 € incl. VAT
from 572,87 € 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
506,99 € excl. VAT
613,46 € incl. VAT
613,46 € 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
338,12 € excl. VAT
409,13 € incl. VAT
409,13 € 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
340,92 € excl. VAT
412,51 € incl. VAT
412,51 € 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…