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Ratiometric Three-Wire RTD

 
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daqmaster
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PostPosted: Mon Sep 15, 2008 7:16 am    Post subject: Ratiometric Three-Wire RTD Reply with quote
The three-wire ratiometric circuit assumes that both sense-wire resistances in the four-wire circuit are the same. The equation for calculating RTD resistance simply accounts for it with a factor of two.

Topic: RTD Measurements
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