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Data Acquisition Switch-Accurate Temperature Measurements

Data Acquisition Switch-Accurate Temperature Measurements

应用文章

If you want to make more accurate measurements with your Keysight Technologies, Inc. 34970A or 34972A data acquisition switch unit and the Keysight 34901A 20-channel multiplexer module, you can use an external isothermal terminal panel, or “patch panel,” such as the VTI Instruments VT1586A rack-mount terminal panel. The VT1586A has an aluminum isothermal reference that allows you to make temperature measurements with less than ± 0.53 °C error. The accuracy of relative measurements is better than ± 0.35 °C across 39 channels. This application note explains how to wire the VT1586A remote isothermal panel and use it to make high-accuracy temperature measurements with a 34970A or 34972A data acquisition switch unit and 34901A 20-channel multiplexer module.

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