Page 1 Measurements Part 1: Basic Principle of Measurements Page 2 Measurements Part 1: Basic Principle of Measurements Learning objectives ? To state sub-systems in a measurement system ? To understand main function in each sub-system ? To understand the basic properties of measurement systems ? To understand the basic operation of ADC and DAC Page 3 Measurements Part 1: Basic Principle of Measurements Learning objectives ? To state sub-systems in a measurement system ? To understand main function in each sub-system ? To understand the basic properties of measurement systems ? To understand the basic operation of ADC and DAC Basic components in a measurement system Basic components in a measurement system are shown below: It is also important to mention that a power supply is an important element for the entire system. Amplification and Conditioning Page 4 Measurements Part 1: Basic Principle of Measurements Learning objectives ? To state sub-systems in a measurement system ? To understand main function in each sub-system ? To understand the basic properties of measurement systems ? To understand the basic operation of ADC and DAC Basic components in a measurement system Basic components in a measurement system are shown below: It is also important to mention that a power supply is an important element for the entire system. Amplification and Conditioning Major issues in instrumentation and measurement systems ? Sensitivity (deflection over the change in the variable) ? Accuracy (uncertainties) ? Precision (spread of readings, repeatability) ? Resolution (the smallest step that can be distinguished) ? Robustness (noise, disturbance, or drift) ? Response time (fast response/high bandwidth) ? Input impedance (loading effect) Page 5 Measurements Part 1: Basic Principle of Measurements Learning objectives ? To state sub-systems in a measurement system ? To understand main function in each sub-system ? To understand the basic properties of measurement systems ? To understand the basic operation of ADC and DAC Basic components in a measurement system Basic components in a measurement system are shown below: It is also important to mention that a power supply is an important element for the entire system. Amplification and Conditioning Major issues in instrumentation and measurement systems ? Sensitivity (deflection over the change in the variable) ? Accuracy (uncertainties) ? Precision (spread of readings, repeatability) ? Resolution (the smallest step that can be distinguished) ? Robustness (noise, disturbance, or drift) ? Response time (fast response/high bandwidth) ? Input impedance (loading effect) Sensitivity Variation of the physical variables Most sensitiveRead More

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