[volt-nuts] What is Transfer Accuracy?
Murray.Early at callaghaninnovation.govt.nz
Tue May 6 02:17:53 EDT 2014
With regard to the Transfer Accuracy spec for the 3458A, I have generally interpreted this as a measure of the differential linearity with a contribution from the short-term stability of the gain. In effect it becomes a measure of how reproducible a similar measurement could be over a short time. Hence it defines how well a value can be transferred from one device (say a Fluke 732A) to another (like a Fluke 5700A) at a similar voltage level (like 10V) over a short interval (like 10 minutes). For similar voltages this transfer doesn't really depend on the gain accuracy of the DVM, only the gain stability.
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