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Results tagged with multimeter
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user 56411
A multifunction measuring instrument used for measuring AC and DC voltage [V] and current [A] as well as resistance [Ω]. Many digital multimeters can also measure frequency [Hz], duty cycle [%], capacitance [F], temperature [°C], and/or other electrical or physical properties. Most are handheld; more expensive bench models are also available for applications requiring high precision.
15
votes
Why are these readings violating ohm's law? (Are they?)
Inserting the multimeter in the circuit, I suddenly read 0.28A. … Now, if I insert the multimeter into the circuit I get 0.24A, yet again a different current. …
- 22.3k
10
votes
In which scenarios is it important to measure microampere?
First, your assumption that professional multimeters don't have a microamp scale is wrong. A Fluke 287, for instance, will happily measure microamps. The Fluke 116 only has a microamp scale for curren …
- 22.3k
2
votes
Accepted
Why isn't Ohm's law working for this simple circuit?
The current limit on your ExTech multimeter is 200 mA according to the datasheet. The meter is showing about 60% over that limit. …
- 22.3k