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Is that the big 70v power supply in the corner of the electronics bench? If so, the output seems OK, it is the voltage and current meters that are not working and remain at zero. I have been using it by measuring the output voltage with a multimeter.I don't mind if you take it away to repair it. :-)
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I only use the lower range, so 30V/10A would be fine. Is it digital? I try to avoid the digital power supplies because they don't work well with some of my projects (flyback transformer driver and induction coils).Thank you for repairing Hackspace equipment. :-)
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No, it's unashamedly analog (Farnell B30/10) and of the same generation as the other one.You might find the switchers (Server supplies giving 100A / 12V in a small space are pretty handy) behave better on horrible loads if you add a big capacitor to the output.
> wrote: > >> I only use the lower range, so 30V/10A would be fine. Is it digital? I >> try to avoid the digital power supplies because they don't work well with >> some of my projects (flyback transformer driver and induction coils). >> >> Thank you for repairing Hackspace equipment. :-) >> >> -- >> You received this message because you are subscribed to the Google Groups >> "London Hackspace" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to london-hack-sp...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "London Hackspace" group. To unsubscribe from this group and stop receiving emails from it, send an email to london-hack-sp...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
The SMT oven used to live on top of it. Might that be the source of the heat?PhilIoannes 8:32----- Reply message -----
From: "Adrian Godwin" <artg...@gmail.com>
To: "london-hack-space" <london-hack-space@googlegroups.com>
Subject: [london-hack-space] Re: Farnell power supply
Date: Sun, Feb 18, 2018 11:12
Lucia (or anyone else who's used it) - do you remember it ever getting exceptionally hot ? The reason the meters stopped working is that the black trim on the front has warped. It might be just age or it might be heat. The rest of the meter plastic is fine so it probably didn't get red hot, but maybe ran well above room temperature for a while - left on but shorted ? I might fit a high temperature cutout. On Mon, Jan 29, 2018 at 12:05 PM, Adrian Godwin <artg...@gmail.com
> wrote: > No, it's unashamedly analog (Farnell B30/10) and of the same generation as > the other one. > You might find the switchers (Server supplies giving 100A / 12V in a small > space are pretty handy) behave better on horrible loads if you add a big > capacitor to the output. > > > On Mon, Jan 29, 2018 at 11:08 AM, 'Lucia N' via London Hackspace < > london-hack-space@googlegroups.com> wrote: > >> I only use the lower range, so 30V/10A would be fine. Is it digital? I >> try to avoid the digital power supplies because they don't work well with >> some of my projects (flyback transformer driver and induction coils). >> >> Thank you for repairing Hackspace equipment. :-) >> >> -- >> You received this message because you are subscribed to the Google Groups >> "London Hackspace" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to london-hack-space+unsubscribe@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "London Hackspace" group. To unsubscribe from this group and stop receiving emails from it, send an email to london-hack-space+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
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