COMET TA3621 is a versatile Ethernet sensor designed to connect up to two digital probes for temperature, relative humidity, or CO₂ measurement in any combination. With PoE support, modern network communication protocols, a backlit LCD display, and advanced alarm functions, it is an ideal solution for professional environmental monitoring in commercial buildings, industrial facilities, and technology applications. More
COMET TA3621 is a versatile Ethernet sensor designed to connect up to two digital probes for temperature, relative humidity, or CO₂ measurement in any combination. With PoE support, modern network communication protocols, a backlit LCD display, and advanced alarm functions, it is an ideal solution for professional environmental monitoring in commercial buildings, industrial facilities, and technology applications. More
COMET TA3621 is a next-generation Ethernet monitoring device designed for professional measurement of temperature, relative humidity, and CO₂ concentration. The unit supports connection of up to two external digital probes in any combination—for example, two temperature and humidity probes, a temperature/humidity probe together with a CO₂ probe, or two CO₂ probes. This flexibility allows simultaneous monitoring of multiple parameters or two separate locations using a single device.
Measured values are clearly displayed on the backlit LCD screen and are simultaneously available via the Ethernet interface for remote monitoring and system integration. The device supports both Power over Ethernet (PoE) and an external 5–24 V DC power supply, providing maximum installation flexibility in both new and existing systems.
The TA3621 offers comprehensive remote communication capabilities, including HTTPS, SNMPv3, Modbus TCP, IPv4/IPv6, and COMET Cloud, making it easy to integrate into building management systems (BMS), industrial automation, and environmental monitoring applications. Integrated backup memory, visual and audible alarm indication, and mathematical channel functions such as temperature difference calculations further enhance its functionality for demanding applications.
Its compact design, removable mounting bracket, and compatibility with a wide range of COMET digital probes make the TA3621 an excellent choice for monitoring conditions in server rooms, data centers, laboratories, warehouses, manufacturing facilities, pharmaceutical environments, and other critical applications where reliable environmental monitoring is essential.
Key Features
Connects up to two digital probes for temperature, relative humidity, or CO₂.
Flexible combination of measured parameters within a single device.
Clear, backlit LCD display.
Powered via PoE or 5–24 V DC external supply.
Ethernet connectivity with support for IPv4/IPv6, Modbus TCP, SNMPv3, HTTPS, and COMET Cloud.
Visual LED and audible alarm indication.
Integrated backup memory for reliable operation.
Mathematical functions between measurement channels (e.g., temperature difference calculation).
Removable mounting bracket for quick and easy installation.
Ideal for data centers, laboratories, warehouses, industrial facilities, pharmaceutical applications, and building management systems (BMS).
The COMET TA3621 is an Ethernet sensor designed for professional monitoring of temperature, relative humidity, and CO₂ concentration. It supports up to two digital probes and transmits measured data over an Ethernet network.
Which probes can be connected to the TA3621?
The device supports COMET digital probes for measuring temperature, relative humidity, and CO₂. Up to two probes can be connected in any combination to meet the requirements of your application.
How many measurement probes can be connected?
The COMET TA3621 supports the simultaneous connection of up to two external digital probes.
Does the TA3621 support Power over Ethernet (PoE)?
Yes. The device supports Power over Ethernet (PoE) according to the IEEE 802.3af standard. It can also be powered by an external 5–24 V DC power supply.
Which communication protocols does the TA3621 support?
The sensor supports HTTPS, Modbus TCP, SNMPv3, IPv4, IPv6, and COMET Cloud for remote monitoring and integration.
Can measured values be monitored remotely?
Yes. Measured values can be accessed through the built-in web interface, network communication protocols, or via COMET Cloud.
Does the device have a built-in display?
Yes. The COMET TA3621 features a backlit LCD display that shows current measured values and device status.
Can the device alert users when limits are exceeded?
Yes. The sensor provides both visual LED indication and an audible alarm when configured measurement limits are exceeded.
Is the TA3621 suitable for industrial applications?
Yes. The TA3621 is designed for use in industrial facilities, laboratories, data centers, server rooms, warehouses, pharmaceutical environments, and building management systems (BMS).
Can the TA3621 be integrated into BMS or industrial automation systems?
Yes. With support for Modbus TCP, SNMPv3, and other standard communication protocols, the TA3621 can be easily integrated into most Building Management Systems (BMS) and industrial automation solutions.
Does the device store measurement data?
Yes. The COMET TA3621 includes integrated backup memory to help protect measurement data during communication or power interruptions.
Which parameters can the TA3621 measure?
Depending on the connected probes, the device can measure temperature, relative humidity, CO₂ concentration, and calculated values between two measurement channels, such as temperature difference.
Can two different probe types be used at the same time?
Yes. For example, you can connect a temperature and humidity probe together with a CO₂ probe, or use two different temperature probes simultaneously.
What are the main advantages of the COMET TA3621?
Key advantages include support for up to two digital probes, PoE power supply, Ethernet connectivity, industrial communication protocols, a backlit LCD display, alarm functions, integrated backup memory, and easy integration into monitoring systems.
What applications is the TA3621 best suited for?
The COMET TA3621 is ideal for environmental monitoring in server rooms, data centers, warehouses, laboratories, manufacturing facilities, museums, archives, pharmaceutical environments, and smart buildings.
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COMET TA3621 is a versatile Ethernet sensor designed to connect up to two digital probes for temperature, relative humidity, or CO₂ measurement in any combination. With PoE support, modern network communication protocols, a backlit LCD display, and advanced alarm functions, it is an ideal solution for professional environmental monitoring in commercial buildings, industrial facilities, and technology applications. More
