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By Rich Handley

Teracom Intros IoT Temperature and Humidity Data Loggers

Teracom Ltd. has announced the availability of its TCW210-TH data loggers for remote temperature and humidity monitoring applications. Each TCW210-TH can monitor up to eight temperature and/or temperature-humidity sensors of various brands and types (up to 24 different parameters each). For example, four sensors can connect via MODBUS, while another can simultaneously connect via 1-Wire.

"Our new TCW210-TH data logger device has a very intuitive setup process and is so easy to configure that most customers will never need to open up the manual," said Ognyan Dimitrov, Teracom's CEO, in a prepared statement. "The humidity and temperature records can be monitored on the Web interface of the device. There is no need for special software and conversions—you only need a standard Web browser like Chrome, IE or Firefox."

Utilizing an Ethernet interface for Web and network connectivity, the device monitors real-time data for temperature, humidity and dew point, and records all monitored parameters using internal Flash memory. The records can be made on set time intervals or alarm conditions. The capacity of memory allows at least 36 days logged, with data recorded once every minute, the company reports; the log file can be periodically uploaded on a dedicated server via HTTP Post.

The device is supported by Android and iOS applications, as well as by Teracom's TC Monitor remote and monitoring software, which provides a free license for up to 10 items. The logger utilizes a circular buffer in Flash memory (up to 70,000 records). When it is full, the latest data overwrites the oldest. In this manner, Flash memory can store a full log all the time.

For security reasons, there is not a command to clear the log. A copy of the full log is always available for download. The TCW210-TH can initiate a connection via HTTP Post to remote dedicated servers. The payload of this post are XML or JSON files. Standard protocols, such as SNMP, MODBUS TCP/IP and HTTP API, are also available for machine-to-machine applications. Additionally, the TCW210-TH supports communication with ThingSpeak servers. Four different parameters (channels) can be processed simultaneously.

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