Title: Noise investigation of a high precision digital multimeter model HP3457A or HP3458A for microvolt level dc voltage measurements
Abstract: This article examines noise characteristics of a high precision digital multimeter HP3457A or HP3458A by presenting a conceptual but useful model for the generation of zero voltage error under short-circuited input terminals. Two setting states, auto-zero on (AZ-ON) and off (AZ-OFF) are tested and one important conclusion derived is that the state of AZ-OFF has a more extensive potential of performing to the full specifications for measurements of μV level dc voltage than that of AZ-ON.
Publication Year: 1999
Publication Date: 1999-12-01
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 1
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