Temperature sensor autocalibrates gain and offset
A
Data Translation product story
Edited by the Engineeringtalk editorial team
Mar 3, 2008
At power on the unit auto-calibrates the gain and offset and 1000V channel-to-channel isolation provides reliable protection in harsh environments.
Data Translation's DT9872 temperature measurement module is a USB-based unit providing 48 channels of temperature measurement for RTDs.
It comes as a complete ready-to-measure solution, including both hardware and software.
The screw terminals on the front panel allow easy connection of two, three and four-wire RTDs and connection to a PC via USB.
Each of the 48 channels has a dedicated 24bit A/D convertor, ensuring high-precision measurements without the need for multiplexers or amplifiers.
Measurement errors are virtually eliminated with Kelvin sensing.
At power on the unit auto-calibrates the gain and offset and 1000V channel-to-channel isolation provides reliable protection in harsh environments.
There are eight opto-isolated digital inputs and eight opto-isolated digital outputs that can be used to drive external relays.
The DT9872 hardware is complemented by a software application for viewing, limit checking, graphing, logging and analysing data from all 48 channels.
Exporting data to applications such as Excel and Matlab is also a standard feature of the software.
Measure Foundry test and measurement software can be used to modify and customise the standard application so that it meets specific requirements more closely.
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