All Questions
Tagged with damage multimeter
7
questions
0
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138
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Fluke 393 checked resistance on a live circuit wonder if I damaged my meter
I have a fluke-393 multimeter and I was testing voltage on a 480V circuit didn’t realize I was on resistance and when I put my probes on the circuit there was a small arc, quickly taking my probes off ...
- 1
9
votes
2
answers
4k
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Can continuity test cause component damage?
In order to test some tracks on a mounted PCB, I would like to use a multimeter for continuity test.
However, then I measured the open-circuit voltage of two multimeters at hand, and the results were:...
- 579
5
votes
1
answer
535
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Can capacitors be damaged by a DMM in continuity mode?
Some multimeters have a pretty high open circuit voltage in continuity test mode and resistance mode (possibly to improve SNR?), but they are current limited. For example, the Fluke 87V behave like an ...
- 61
2
votes
2
answers
964
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How can you damage DMM if you haven't discharged a capacitor?
Hi, I measured capacitance on some capacitors using my UNI-T 139S True RMS Multimeter without discharging them first. To be clear, I don't even know if they were charged because they are mounted on ...
- 23
0
votes
1
answer
327
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Can a digital meter be damaged when reading resistance but connected to AC voltage
While testing with multimeter like a fluke 177 or fluke 334 clam meter in ohms range, if it is connect to ac voltage up to 50 volts, does it damage the multimeter?
2
votes
1
answer
5k
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Have I damaged my multimeter by applying voltage in resistance mode?
I have an VC97 digital multimeter. In resistance mode, I applied the multimeter leads to a battery with a 4.2V charge. I did this twice, and also did so in capacitance mode.
I didn't notice any ...
- 23
3
votes
3
answers
1k
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Multimeter misuse by shorting a 220 voltage through it
I intended to measure an AC voltage, but I forgot the multimeter on the resistance position (200 Ohm scale). I've shorted the 220V through the multimeter.
The fuse is not damaged, neither the bridge, ...
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