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| New EEVblog BM786 Multimeter |
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| Algoma:
In follow-up to my AutoRange flickering issue. When its flickering between MOhms and Kohms, it wont take any measurements at all, even with the leads shorted, or a resistor to measure. Though, If I push down gently on the selector switch it will settle and take a measurement. I think it may have likely took some shipping damage, Considering the soiled state of the DHL bag and Squish on the bottom corner of the box, I think it had a bit of a rough transit. Yes, if I push down gently on the selector switch it works, but if I pull up slightly or tap on the edge of it, off-center, it begins to randomly flicker ranges and produce intermittent random readings. Either bad contacts or possible shipping damage. |
| EEVblog:
--- Quote from: joeqsmith on February 23, 2021, 01:04:49 pm ---Someone wrote me about the magnetic strap having an effect on the beepers loudness. I was able to replicate it on all the 78x meters I have. It's not a small effect. You can make the audio very faint with it. Really odd. I have written Brymen about it. I don't use these magnetic hangers often and wonder if there are other meters with a similar problem. --- End quote --- I could not preproduce wiht the Brymen BM01 hanger for the BM235. Need to try bigger hangers. |
| joeqsmith:
--- Quote from: EEVblog on February 23, 2021, 11:10:18 pm --- --- Quote from: joeqsmith on February 23, 2021, 01:04:49 pm ---Someone wrote me about the magnetic strap having an effect on the beepers loudness. I was able to replicate it on all the 78x meters I have. It's not a small effect. You can make the audio very faint with it. Really odd. I have written Brymen about it. I don't use these magnetic hangers often and wonder if there are other meters with a similar problem. --- End quote --- I could not preproduce wiht the Brymen BM01 hanger for the BM235. Need to try bigger hangers. --- End quote --- Try it with your new 786 using their hangers. The hanger is molded to fit into the meter. |
| joeqsmith:
--- Quote from: Algoma on February 23, 2021, 07:16:41 pm --- --- Quote from: joeqsmith on February 23, 2021, 07:06:11 pm ---That doesn't seem right. I wonder what "quite a while" means. --- End quote --- Its intermittent and inconsistent.. 5 seconds to 30 seconds. Diode test mode intermittently flashes low Forward Voltage values, indicating like a shorted diode, even with no leads attached. --- End quote --- I don't see anything like this with the three I have. |
| joeqsmith:
--- Quote from: Pampalini on February 23, 2021, 08:10:16 pm --- --- Quote from: joeqsmith on February 23, 2021, 01:04:49 pm ---Someone wrote me about the magnetic strap having an effect on the beepers loudness. I was able to replicate it on all the 78x meters I have. It's not a small effect. You can make the audio very faint with it. Really odd. I have written Brymen about it. I don't use these magnetic hangers often and wonder if there are other meters with a similar problem. --- End quote --- Ups... It means I should avoid laying my new BM789 on linear motor or any other magnetic field source :o. I didn't buy magnetic strip only because it was not available yet so my beeper still works. Thanks for the warning. --- End quote --- Remove the magnet and the audio level returns. |
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