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badferday
Tinkerer
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Joined: Jan 26, 2024
Posts: 175
Likes: 42 		Apr 30, 2024 - #1
Have my eye on one capable of 0-30v, which I know is fine. But max 3 amp... that sounds a bit on the low side.

It's a Protek 303. Recently-ish calibrated in 2022.

Thoughts?

Kai Robinson
TinkerDifferent Board President 2023
Worthing, UK
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Joined: Sep 2, 2021
Posts: 1,322
Likes: 1,313 		May 1, 2024 - #2
Uhhh, 3 amps at 30v is NINETY WATTS.

What benchtop projects need THAT much power?

Certificate of Excellence
Active Tinkerer
United Sates
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Joined: Nov 1, 2021
Posts: 765
Likes: 530 		May 1, 2024 - #3
Evidently I am perpetually 12 years old.

:D

Carry on

ClassicHasClass
Tinkerer
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Joined: Aug 30, 2022
Posts: 386
Likes: 215 		May 1, 2024 - #4
>> Kai Robinson said:
Uhhh, 3 amps at 30v is NINETY WATTS. What benchtop projects need THAT much power? Click to expand...
A small hair dryer?

I forget how much my bench supply can generate. I'll glance at the manual later.

badferday
Tinkerer
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Joined: Jan 26, 2024
Posts: 175
Likes: 42 		May 1, 2024 - #5
Don't matter now. The seller ended the listing.

This one looks so nice. Reminds me of my Vestax MW-3000. But yet another seller padding the shipping cost.

Sorensen IPS 2302A Laboratory DC Power Supply 9869606 | eBay

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Attachments:
www.ebay.com [View]

badferday
Tinkerer
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Joined: Jan 26, 2024
Posts: 175
Likes: 42 		May 1, 2024 - #6
And it has a digital twin. Question is... which manufacturer is badge engineering?

Tenma 72-6615 0000479 30V/5V Power Supply | eBay

Find many great new & used options and get the best deals for Tenma 72-6615 0000479 30V/5V Power Supply at the best online prices at eBay! Free shipping for many products!
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Attachments:
www.ebay.com [View]

Elemenoh
Active Tinkerer
Bay Area
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Joined: Oct 18, 2021
Posts: 428
Likes: 415 		May 1, 2024 - #7
If you do need something high wattage and high quality you could go with a classic HP/Agilent/Keysight E364xA. They go up to 400W or so. They're so common you may be able to find a very cheap broken one and fix It up.

badferday
Tinkerer
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Joined: Jan 26, 2024
Posts: 175
Likes: 42 		May 1, 2024 - #8
>> Elemenoh said:
If you do need something high wattage and high quality you could go with a classic HP/Agilent/Keysight E364xA. They go up to 400W or so. They're so common you may be able to find a very cheap broken one and fix It up. Click to expand...
Oh nice! Thanks for the tip.

I don't know that I need high wattage. That particular supply was an example of something I thought would cover all my bases. I wanna be able to test up to 24v, because that's about the highest DC I've seen inside consumer electronics (except CRTs and amps).

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