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Compact CO2 Concentration and Barometric Pressure Sensor, Ethernet Output and PoE

Compact CO2 Concentration and Barometric Pressure Sensor, Ethernet Output and PoE
Compact CO2 Concentration and Barometric Pressure Sensor, Ethernet Output and PoE
Compact CO2 Concentration and Barometric Pressure Sensor, Ethernet Output and PoE
Compact CO2 Concentration and Barometric Pressure Sensor, Ethernet Output and PoE

The TA5640 is a compact Ethernet sensor designed for measuring CO2 concentration and atmospheric pressure.

Compared to older models, it offers a new NDIR CO2 module with high accuracy in the range up to 5000 ppm and the possibility of extended measurement up to 10,000 ppm. Thanks to the LCD display, LED signaling, and acoustic alarms, the device is suitable for immediate local air quality indication.

The device is suitable for offices, schools, and public spaces where temperature and humidity are controlled by another system, but it is necessary to monitor air quality and ventilation according to the CO2 level. The NDIR sensor used ensures high accuracy and long-term stability without the need for frequent calibration.

The TA5640 is designed for ventilation monitoring and indirect occupancy tracking.

Main Benefits:

  • Precise measurement of CO2 concentration and pressure
  • Local air quality signaling
  • 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

  • code
    TA5640
  • Warranty
    3 years
  • In stock
    on request
  • 446.00 EUR
Add to quote

Technical data

Measured value

CO2
Atmospheric pressure

CO2 SENSOR

Measuring range 0 to 5,000 ppm
Accuracy ±(50 ppm + 3% of reading) at 25 °C and 1013 hPa
Resolution 1 ppm

ATMOSPHERIC PRESSURE SENSOR

Measuring range 600 to 1100 hPa
Accuracy ±(1.3 hPa + 0.06% of configured output range) at 23 °C, from 800 to 1100 hPa
Resolution 0,1 hPa

GENERAL TECHNICAL DATA

Operating temperature range -30 to +60 °C
Measurement channels integrated atmospheric pressure sensor and CO2 sensor
Power supply Power over Ethernet (IEEE 802.3af) or 5–24 V DC
Network interface Ethernet
IP support IPv4, IPv6
Communication protocols HTTP(s), Web server (WWW), HTTP GET (JSON, XML), Modbus TCP, SNMPv1, SNMPv2c, SNMPv3
Alarm protocols Email (SMTP), Syslog
Measurement interval 1 s
Ingress protection (IP rating) IP30
Dimensions 116 x 85 x 42 mm
Weight 210 g
Warranty 3 years

Premium Ethernet Sensors with Display and Local Signaling

The TAx6xx series represents a new generation of Web Sensor 2.0 premium sensors. They combine precise measurement, modern network communication, and local monitoring via an LCD display, LED signaling, and an acoustic alarm.

Ideal solution for:

  • server rooms and data centers
  • laboratories and healthcare
  • industrial facilities
  • offices, schools, and public buildings
  • cleanrooms

Why choose TAx6xx?

Local monitoring without a PC

  • Backlit segmented LCD display (4 brightness levels)
  • Display of values, alarms, and IP address
  • Three-color LED signaling (green / yellow / red)
  • Acoustic alarm with local and remote mute options

Advanced next-generation alarms

  • 2 adjustable alarms per channel (no direction limits)
  • System alarms (measurement, time, or configuration error…)
  • Signaling via: LED, acoustics, e-mail (TLS / STARTTLS), Syslog

Calculations and advanced analytics

  • Dew point
  • Absolute humidity
  • Specific humidity
  • Mixing ratio
  • Enthalpy
  • Humidex and Heat Index
  • Inter-channel calculations (e.g., temperature difference, CO₂ difference)

Maximum connectivity and security

  • HTTP / HTTPS (custom certificate upload)
  • SNMP v1 / v2c / v3 (SHA, AES128)
  • Modbus TCP (including alarm mute and limit changes)
  • IPv4 + IPv6
  • COMET Cloud / COMET Database
  • TLS communication
  • 4 user accounts, 3 permission levels
  • Firmware updates via web

Power without compromises

  • 5–24 V DC
  • PoE (IEEE 802.3af)
  • RTC with battery backup
  • Backed-up memory (>2600 records)

Typical applications

Data centers

  • Monitoring of temperature, humidity, and CO₂ with instant LED indication.
  • Laboratories: High-precision Pt1000 inputs, cable compensation, alarms.
  • Schools and offices: CO₂ air quality "traffic light" for ventilation control.
  • Industry: Durable solution with PoE and SCADA integration.

The new platform brings:

  • new compact design
  • removable bracket for easy mounting
  • unified firmware
  • enhanced cybersecurity
  • RTC with battery
  • advanced alarm system

Optional accessories and download

AC/DC adapter 230Vac to 5Vdc/2.1 A, EU

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AC/DC adapter 230Vac to 5Vdc/2.1 A, US

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Accredited atmospheric pressure calibration

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Accredited CO2 calibration

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Software

download-icon Comet Database One Click Installer (21.1-V)
487.31 MB
download-icon Database Viewer 3.20.0.0 dbapi 21.1
24.33 MB
download-icon Conversions - application for recalculation of values
694.50 KB
download-icon COMET Cloud Lite - Android (Google Play)
download-icon COMET Cloud Lite - iOS (App Store)

Others

download-icon Terms and Conditions COMET System s.r.o.
133.12 KB

Manuals

download-icon Quick Start Manual
881.51 KB
download-icon Declaration of Conformity
0 bytes
download-icon Software development kit (SDK) / Popis komunikačních protokolů (SDK)
35.68 KB

Catalogs

download-icon CATALOG - CO2
5.30 MB
download-icon Catalogue Sheets - COMET Premium WebSensors 2.0
1.03 MB

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We produce

Leading manufacturer of temperature, humidity, atmospheric pressure, carbon dioxide CO2 transmitters, data loggers, monitoring systems, data acquisiton systems, thermometers, hygrometers, barometers. Production includes data acquisition systems, humidity, temperature, CO2 transmitters and portable thermometers, hygrometers, barometers, CO2 meters. Instruments are designed for accurate measurement and for monitoring environmental conditions.

All instruments come with included traceable calibration certificate with declared metrological traceability of etalons based on requirements of EN ISO/IEC 17025 standard.

 

 

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