COMET TA7640 - Web Sensor - temperature, humidity, atmospheric pressure and CO₂ sensor with display, Ethernet & PoE

Model: CO_TA7640
Manufactured by: COMET System
Price was:17908 Kč
Sale price:17013 Kč incl. VAT
14060 Kč excl. VAT
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COMET TA7640 - Web Sensor - temperature, humidity, atmospheric pressure and CO₂ sensor with display, Ethernet & PoE

The TA7640 is the most comprehensive compact sensor in the Web Sensor series. It combines temperature, relative humidity, atmospheric pressure, and CO2 concentration measurement, providing an overview of indoor air quality (IAQ).

A new NDIR module with high accuracy in the common range and the ability to measure up to 10,000 ppm is used for CO2 measurement.

The device is ideal for monitoring indoor air quality in offices, schools, and conference rooms, and for applications requiring comfort and health.

Three-color LED signaling allows use as an air quality 'traffic light' for easy ventilation control.

The TA7640 also calculates variables such as Humidex for assessing thermal comfort. Features include encrypted communication, PoE power, time backup, and the ability to send alarms via email or acoustic signaling.

Main Benefits:
  • Comprehensive monitoring of indoor air quality
  • Precise measurement of temperature, humidity, CO2, and barometric pressure
  • Backlit LCD display, acoustic and LED alarm signaling
  • Power supply 5–24 V or PoE
  • Integrated backup memory
  • Modern web interface, IPv4/IPv6 support, Modbus TCP, COMET Cloud, and fully encrypted communication (HTTPS, SNMPv3, TLS)
  • Integrated detachable bracket for easy installation


Comet TA7640 – datasheet /en/
Comet TA7640 – catalog /en/


This product was added to our catalog on Wednesday 08 April, 2026.
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