Tell me how to calculate the error of the digital multimeter.
- Question
- Tell me how to calculate the error of the digital multimeter.
- Answer
- "The following formula shows the error calculation method.
±{(accuracy error rate <%> × reading) + range error <dgt>}
Example of our PC510a
When the true value 2.000V is measured in the 5.000V range, the accuracy is given as ±(0.08%rdg+2dgt), so the displayed value will be within the range of 1.996 to 2.004V.
*Accuracy error is 0.0016V and range error is 0.002V。Although, the displayed value should be within the range of 1.9964 to 2.0036V in the calculation, the PC510a displays only 4 digits, so round off the 5th digit."
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