A 4 digit multi-meter with an accuracy of...

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Question 1 of 200BsENqokj0UilpIt5jNW

A 4 digit multi-meter with an accuracy of 0.15% and 2 counts is set on the 60 volt scale. What range of readings may be expected when measuring a 24 volt DC source?

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0BsENqokj0UilpIt5jNW

A 4 digit multi-meter with an accuracy of 0.15% and 2 counts is set on the 60 volt scale. What range of readings may be expected when measuring a 24 volt DC source?

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🔍 Key Concepts

• Accuracy specification of a multimeter: percentage of reading plus a certain number of counts (digits) on the selected range • How a 4-digit meter on the 60 V range relates to resolution (smallest step in volts per count) • How to apply ±(percentage of reading + counts × resolution) around the true value (24 V) to get a minimum and maximum reading

💭 Think About

• First, compute the percentage error in volts based on 24 V and 0.15%. Is that added or subtracted from 24 V? • Next, determine the value of 1 count on the 60 V range for a 4-digit display. How many volts does 1 digit represent? • Finally, apply the count error (2 counts) in volts to the percentage error and then compare the resulting min/max range with the answer choices.

✅ Before You Answer

• Verify how to interpret 0.15%: is it of full scale (60 V) or of the measured value (24 V) according to usual DMM spec wording? • Confirm how a 4-digit meter on a 60 V range is typically scaled: is it 60.00, 60.000, or 59.99 max display? This tells you the resolution per count. • Be sure to apply the error as ±(percent error + counts error) around the nominal 24 V value before matching to the closest listed range.

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Question 1 of 200BsENqokj0UilpIt5jNW

A 4 digit multi-meter with an accuracy of 0.15% and 2 counts is set on the 60 volt scale. What range of readings may be expected when measuring a 24 volt DC source?

Back

Question 1 of 20

0BsENqokj0UilpIt5jNW

A 4 digit multi-meter with an accuracy of 0.15% and 2 counts is set on the 60 volt scale. What range of readings may be expected when measuring a 24 volt DC source?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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