Newport Electronics offers the iTCX transmitter, which allows users to monitor temperature from two independent thermocouple channels over an Ethernet network or the Internet with just a web browser. The iTCX transmitter serves active web pages to display real-time readings, temperature charts, and log data in standard data formats for use in a spreadsheet or data acquisition program such as Microsoft Excel or Visual Basic.
The virtual chart viewed on the web page is a Java applet that plots a chart over the LAN or Internet in real time. iTCX transmitters are able to take thermocouple types J, K, T, E, R, S, B, C, N, and L measuring temperatures up to 1,820 degrees Celsius (3,308 degrees Fahrenheit). It also can display and chart absolute measurements in two locations and a differential measurement between the two locations.