Multi-input temperature and humidity data loggers

| Information and Communication Technology

Ethernet based temperature and humidity monitoring
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Outputs from eight temperature and humidity sensors can be combined on one data logger with flash memory of up to 70,000 records.

The high reliability TCW210-TH data logger with ease of set up for remote temperature and humidity monitoring is now available from Teracom. Each TCW210-TH can monitor up to 8 temperature and/or temperature-humidity sensors of various brands and types (up to 24 different parameters each) via either 1-Wire interface and/or the more robust MODBUS RTU over RS485. For example, 4 sensors can connect via MODBUS and another four can connect via 1-Wire, all at the same time.

“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,” says Ognyan Dimitrov, CEO of Teracom. “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.”

Using 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 and/or on alarm conditions. The capacity of memory allows at least 36 days logged with data recorded once every minute. The log file can be periodically uploaded on a dedicated server by HTTP Post.

The device is supported by Android and iOS applications, as well as by Teracom’s remote monitoring software TC Monitor, which provides a free licence for up to 10 items.

The logger uses a circular buffer in flash memory (up to 70,000 records). When it is full, the new data overwrites the oldest one. In this manner flash memory can store a full log all the time. A copy of the full log is always available for download.

The TCW210-TH can initiate a connection (HTTP Post) to remote dedicated servers. The payload of this post comprises XML or JSON files. Such standard protocols as SNMP, MODBUS TCP/IP, and HTTP API are also available for M2M applications. TCW210-TH also supports communication with ThingSpeak servers. Four different parameters (channels) can be processed simultaneously.

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