The A*STAR’s National Metrology Centre (NMC) is the national measurement institute of Singapore, dedicated to advancing measurement science for an innovative and competitive economy
NMC establishes, develops, maintains and disseminates the national measurement standards traceable to the International System of Units, providing key support to a wide spectrum of industry.
Achieving the nation’s highest level of physical measurement through close collaboration with leading national and international organisation.
With a multidisciplinary team of experienced scientists and engineers and state-of-the-art facilities, NMC provides dedicated services to industry partners to meet their specific needs.
NMC believes in working in close collaboration with industry partners, to create values for them and fuel growth for the industry.
This course covers the principles and techniques in the calibration of digital multimeter. The participants will learn how to develop general calibration procedure for multimeters using a multifunction calibrator, and understand practical issues such as the impact of grounding, interference, temperature, loading, cable and connectors that affect the accuracy of measurements.
The participants will also learn how to estimate the measurement uncertainty for the calibration of multimeters, and preparation of calibration reports. Measurement demonstrations will be conducted to illustrate some of the measurement techniques.
Fundamental of electrical metrology
Vocabulary and concepts of metrology
Measurement standards and traceability
Introduction to measurement uncertainty
Principles of electrical measurements
Digital multimeter (DMM) and calibrator
Measurement of voltage, current, and resistance
Source of errors
Cables, connectors, and accessories
Understand the specifications and equipment selection
Calibration of digital multimeter
General DMM calibration requirements
Accuracy ratio and compliance to specifications
Development of a general DMM calibration procedure
Estimation of measurement uncertainty and Calibration and Measurement Capabilities (CMC)
Reporting calibration results
National Metrology Centre
1 Science Park Drive
T: +65 6279 1900
F: +65 6279 1992/1993
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