![]() A reading of 100.0 V on a digital multimeter with an accuracy of ☒% can range from 98.0 V to 102.0 V. Some applications, such as calibration of automotive, medical aviation or specialized industrial equipment, may require higher accuracy. If a digital multimeter is only used to check if a receptacle is energized, a digital multimeter with a ☓% measurement accuracy is appropriate. An example of this variation is a voltage measurement taken at a standard 115 V AC receptacle. ![]() For example, most AC power line voltages can vary ±5% or more. The accuracy of a specific digital multimeter is important, depending on the application. Accuracy requires a comparison to an accepted industry standard. It is expressed as a percentage and indicates how close the measurement displayed is to the actual (standard) value of the signal measured. What is the accuracy of a digital multimeter?Īccuracy refers to the largest allowable error that occurs under specific operating conditions. Accuracy and precision ensures the measurements you take will be useful higher precision enables easier repeatability and higher accuracy means the your readings will be closer to perfect. Knowing what those measurements mean is even more important. Using a multimeter that provides the right measurements is important. What is the difference between counts and digits?.What is meant by resolution in measurement?.How do digital multimeters provide consistent readings?.What is the accuracy of a digital multimeter?. ![]()
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