| Products > Test Equipment |
| Best PSU under $1000? |
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| Someone:
--- Quote from: bladerunner on June 03, 2022, 07:16:16 am ---However most of the threads I've found are roughly a year old. I'm hoping to get more recent information. --- End quote --- This is test equipment, not consumer GPU/phone/upgrade pump. 1 year is a tiny period of time! Test equipment is usually on 10-15 year cycles. |
| nctnico:
--- Quote from: thm_w on June 03, 2022, 09:45:04 pm ---They keysight is only 80W and over $1,500 so its not really comparable here IMO. --- End quote --- If you set a hard limit on $1000 then it simply is over budget. However the Keysight E36312A / E36313A are nice power supplies. A really nice feature is the low range current measurement so you can see current consumption at the tens of uA level (up to 20mA). The Rigol and Siglent PSU offerings don't come close! Only the GW Instek GPP-4323 can hold a candle compared to the E36313A. |
| mawyatt:
--- Quote from: nctnico on June 04, 2022, 04:25:00 pm --- --- Quote from: thm_w on June 03, 2022, 09:45:04 pm ---They keysight is only 80W and over $1,500 so its not really comparable here IMO. --- End quote --- If you set a hard limit on $1000 then it simply is over budget. However the Keysight E36312A / E36313A are nice power supplies. A really nice feature is the low range current measurement so you can see current consumption at the tens of uA level (up to 20mA). The Rigol and Siglent PSU offerings don't come close! Only the GW Instek GPP-4323 can hold a candle compared to the E36313A. --- End quote --- Actually the Siglent SDP3303X and GW GPP-4323 have the exact same Setting and Readback Accuracy specs (+-{0.03% + 10mv} & +-{0.3% + 10ma}, neither anywhere near as good as the Keysight +-{0.04% + 5mv} & +-{0.04% + 3ma} Worst Case for Settings and Readback, and on low 20ma range +-{0.25% + 80ua}. So technically the GW doesn't come close either, the Keysight is a completely different class of power supply!! In actual use, we have a GPP-4323 and three SDP3303X in use, so no speculation here. The extra resolution digit of the GPP-4323 may be useful but not accurate. With a 10mv or 10ma accuracy spec how is one going to put faith in a 100uV or 100uA digit!! The overall stability of the output voltage is better on the GPP than the SDP, which is already pretty good for GP PS. Of course both SDP and GPP supplies have issues, the front panel terminal placement and operation idiosyncrasy of the SDP and the placement of Ch4 to the far left and lack of any calibration method for users (none that we are aware of) for the GPP. These issues aside we think both are very good GP PS for lab use and why we have and use both types. Best, |
| loki42:
I'm not sure what I'd want more than a couple of watts for. Smaller the better is point 4 in the OP and for working with micros and analog audio stuff I've never set my current agilent psu / smu for over 0.2 amps at 12v or 9 v. LAN control is vital for me though as is good measurement accuracy especially logging over time or some kind of statistics / peak hold. |
| Black Phoenix:
I will leave this here: https://www.eevblog.com/forum/crowd-funded-projects/eez-bench-box-3-sequel-to-eez-h24005/ It's up to you if it fits your needs. |
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