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Data Acquisition Switch-Accurate Temperature Measurements

Data Acquisition Switch-Accurate Temperature Measurements

Notas de Aplicação

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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