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Sensor for One Digital Temperature and Humidity or CO2 Probe, with Internal Barometric Pressure Sensor, Ethernet Output and PoE

The TA7611 extends the capabilities of the TA3611 model with integrated atmospheric pressure measurement. The device allows for the connection of one digital probe for temperature and humidity or CO2 measurement, while pressure is measured internally.

Thanks to the combination of an external probe and an internal pressure sensor, the TA7611 is suitable for applications where multiple environmental parameters must be monitored while maintaining a compact design. Naturally, it features an LCD display, multi-level alarm signaling, and PoE support.

The device is unique for meteorological applications or laboratories where conditions in a chamber (external probe) and ambient pressure must be measured simultaneously.

With the 'option' function, the device can also read temperature and pressure measured by the CO2G-10 probe if enabled.

Main Benefits:

  • External T+RH or CO2 probe + internal atmospheric pressure sensor
  • 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
    TA7611
  • Warranty
    3 years
  • On request

Technical data

Measured value

Temperature
Relative humidity
Counted values (dew point…)
CO2
Atmospheric pressure

TEMPERATURE SENSOR

Measuring range Depending on the connected DSxx probe
Accuracy Depending on the connected DSxx probe
Resolution 0.1 °C

HUMIDITY SENSOR

Measuring range Depending on the connected DSxx probe
Accuracy Depending on the connected DSxx probe
Resolution 0.1% RH

DEW POINT

Measuring range Depending on the connected DSxx probe
Accuracy Depending on the connected DSxx probe
Resolution 0.1 °C

ATMOSPHERIC PRESSURE SENSOR

Measuring range 600 to 1100 hPa
Accuracy ±1.3 hPa at 23 °C, from 800 to 1100 hPa
Resolution 0.1 hPa

CO2 SENSOR

Measuring range 0 to 10,000 ppm
Accuracy ±(100 ppm + 5% of reading) at 23 °C and 1,013 hPa
Resolution 1 ppm
CO2 probe cable length 1, 2 or 4 meters

GENERAL TECHNICAL DATA

Operating temperature range -30 to +60 °C
Measurement channels integrated atmospheric pressure sensor, 1× combined T+RH probe (cable-mounted) or CO2 probe, ELKA connector
Calculated values dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy, humidex, heat index
Supported temperature units degrees Celsius (°C), degrees Fahrenheit (°F)
Supported atmospheric pressure units hPa, kPa, mbar, mmHg, inHg, inH2O, PSI, oz/in2
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 (electronics)
Dimensions 116 × 85 × 42 mm (without connected probe)
Weight 240 g
Warranty 3 years

Optional accessories and download

Ultra thin digital temperature/humidity probe

Ultra thin digital temperature/humidity probe

Temperature range: -10 to 60°C
code DIGIH/E-1
Price $233
<10 pcs in stock
Ultra thin digital temperature/humidity probe, cable 2 m

Ultra thin digital temperature/humidity probe, cable 2 m

Temperature range: -10 to 60°C
code DIGIH/E-2
Price $246
<10 pcs in stock
Ultra thin digital temperature/humidity probe, cable 5 m

Ultra thin digital temperature/humidity probe, cable 5 m

Temperature range: -10 to 60°C
code DIGIH/E-5
Price $277
<10 pcs in stock
Digital temperature/humidity probe

Digital temperature/humidity probe

Temperature range: -20 to 80°C
code DIGIL/E
Price $209
> 10 pcs in stock
Digital temperature/humidity probe, cable 1 m

Digital temperature/humidity probe, cable 1 m

Temperature range: -30 to 105°C
code DIGIL/E-1
Price $218
> 10 pcs in stock
Digital temperature/humidity probe, cable 10 m

Digital temperature/humidity probe, cable 10 m

Temperature range: -30 to 105°C
code DIGIL/E-10
Price $308
<10 pcs in stock
Digital temperature/humidity probe, cable 15 m

Digital temperature/humidity probe, cable 15 m

Temperature range: -30 to 105°C
code DIGIL/E-15
Price $356
<10 pcs in stock
Digital temperature/humidity probe, cable 2 m

Digital temperature/humidity probe, cable 2 m

Temperature range: -30 to 105°C
code DIGIL/E-2
Price $229
<10 pcs in stock
Digital temperature/humidity probe, cable 5 m

Digital temperature/humidity probe, cable 5 m

Temperature range: -30 to 105°C
code DIGIL/E-5
Price $257
<10 pcs in stock
Digital temperature/humidity probe

Digital temperature/humidity probe

Temperature range: -20 to 80°C
code DIGIS/E
Price $180
> 10 pcs in stock
Digital temperature/humidity probe, cable 1 m

Digital temperature/humidity probe, cable 1 m

Temperature range: -10 to 60°C
code DIGIS/E-1
Price $189
<10 pcs in stock
Digital temperature/humidity probe, cable 10 m

Digital temperature/humidity probe, cable 10 m

Temperature range: -10 to 60°C
code DIGIS/E-10
Price $277
<10 pcs in stock
Digital temperature/humidity probe, cable 15 m

Digital temperature/humidity probe, cable 15 m

Temperature range: -10 to 60°C
code DIGIS/E-15
Price $328
Usually available within one week
Digital temperature/humidity probe, cable 2 m

Digital temperature/humidity probe, cable 2 m

Temperature range: -10 to 60°C
code DIGIS/E-2
Price $200
<10 pcs in stock
Digital temperature/humidity probe, cable 5 m

Digital temperature/humidity probe, cable 5 m

Temperature range: -10 to 60°C
code DIGIS/E-5
Price $229
<10 pcs in stock

CO2 external probe, range 0-10.000ppm, M12 connector, without cable

CO2 external probe, range 0-10.000ppm, M12 connector, without cable

code SN274
Price $909
<10 pcs in stock
Extension cable for CO2 probe, M12/M8 circular connector, cable 1 meter

Extension cable for CO2 probe, M12/M8 circular connector, cable 1 meter

code UWP001
Price $77
Usually available within one week
Extension cable for CO2 probe, M12/M8 connector, cable 2 meters

Extension cable for CO2 probe, M12/M8 connector, cable 2 meters

code UWP001-2
Price $79
Usually available within one week
Extension cable for CO2 probe, M12/M8 connector, cable 4 meters

Extension cable for CO2 probe, M12/M8 connector, cable 4 meters

code UWP001-4
Price $88
<10 pcs in stock

AC/DC adapter 120Vac to 5Vdc/2.1A, EU

AC/DC adapter 120Vac to 5Vdc/2.1A, EU

code A1825eu
Price $26
> 10 pcs in stock
AC/DC adapter 120Vac to 5Vdc/2.1A, UK

AC/DC adapter 120Vac to 5Vdc/2.1A, UK

code A1825uk
Price $26
Usually available within one week
AC/DC adapter 120Vac to 5Vdc/2.1A, US

AC/DC adapter 120Vac to 5Vdc/2.1A, US

code A1825us
Price $26
> 10 pcs in stock

Accredited temperature calibration

Accredited temperature calibration

code SLU001
Price On request
Usually available within one week
Accredited temperature and relative humidity calibration

Accredited temperature and relative humidity calibration

code SLU003
Price On request
Usually available within one week
Accredited atmospheric pressure calibration

Accredited atmospheric pressure calibration

code SLU006
Price On request
Usually available within one week
Accredited CO2 calibration

Accredited CO2 calibration

code SLU015
Price On request
Usually available within one week

KIT-GSM with modem

KIT-GSM with modem

code KIT-GSM-W
Price On request
Usually available within one week
300Mbps Wireless N Nano Router

300Mbps Wireless N Nano Router

code TL-WIFI
Price $90
<10 pcs in stock

Universal probe holder for easy mounting to rack 19"

Universal probe holder for easy mounting to rack 19"

code MP047
Price $20
<10 pcs in stock
Wall holder for external probes DIGIL

Wall holder for external probes DIGIL

code SP009
Price $18
> 10 pcs in stock
Magnetic holder for Web Sensors PAxxxx and TAxxxx

Magnetic holder for Web Sensors PAxxxx and TAxxxx

code SP104
Price On request
Usually available within one week

sintered bronze sensor cover

sintered bronze sensor cover

code F0000
Price $42
Usually available within one week
plastic sensor protection with stainless filter (gray)

plastic sensor protection with stainless filter (gray)

code F5200
Price $26
Usually available within one week
plastic sensor protection with stainless filter (black)

plastic sensor protection with stainless filter (black)

code F5200B
Price $26
Usually available within one week
PTFE sensor protection, white

PTFE sensor protection, white

code F5300
Price $84
Usually available within one week

COMET Database

COMET Database

code CDB
Price $990
Usually available within one week
COMET Cloud

COMET Cloud

code cloud
Price On request
Usually available within one week
COMET Vision - Software for Dataloggers and Multiloggers

COMET Vision - Software for Dataloggers and Multiloggers

code CV
Price On request
Usually available within one week
Database Viewer for Comet Database

Database Viewer for Comet Database

code DBV
Price $163
Usually available within one week

Software

download-icon Comet Database One Click Installer (22.1-II)
521.60 MB
download-icon Database Viewer 3.23.0.0 dbapi 22.1
24.49 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 Instruction Manual
2.72 MB
download-icon Quick Start Manual
578.69 KB
download-icon Declaration of Conformity
140.71 KB
download-icon Certificate of Volatility
133.86 KB
download-icon MIB
587.33 KB

Firmware and SDK

download-icon Firmware version 11-0-1-0 (2026-05-27)
1.45 MB
download-icon Software development kit (SDK)
35.08 KB

Catalogs

download-icon Catalogue Sheets - COMET Premium WebSensors 2.0
1.03 MB

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Price $601
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Price $638
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