Digital Sampling Setup for Calibration of Strain Gauge Bridge Calibration Unit BN100

This paper describes minimalistic, economic, automated, digital sampling calibration setup for calibration of a strain gauge bridge calibration unit BN100 or similar high division ratio dividers. The setup uses impedance divider instead of the IVD as the reference divider. It achieves comparable or...

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Bibliographic Details
Main Authors: Maslan, Stanislav, Sira, Martin, Skalicka, Tereza
Format: Conference Proceeding
Language:English
Subjects:
Bridge circuits
Calibration
Impedance
inductive voltage divider
Multiplexing
strain gauge
Strain measurement
Uncertainty
Voltage measurement
voltage ratio
Online Access:Request full text
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Description
Summary:This paper describes minimalistic, economic, automated, digital sampling calibration setup for calibration of a strain gauge bridge calibration unit BN100 or similar high division ratio dividers. The setup uses impedance divider instead of the IVD as the reference divider. It achieves comparable or better uncertainty for division ratios below 1mV/V compared to the IVD based methods. For 1mV/V the expanded uncertainty (\mathbf{k}=\pmb{2}) is 8 nV/V from the input.
ISSN:2160-0171
DOI:10.1109/CPEM.2018.8501038