Siglent Technologies SPD3303C DC Power Supply

I have had this PSU for a couple of years, it is used daily and has performed flawlessly. It is well built and provides a good stable output suitable for general bench usage. Support from Siglent is very good, I managed to break one of the terminal posts off recently which Siglent replaced for me FOC. I have every confidence in this PSU and would not hesitate to recommend it to anyone as a general purpose benchtop supply.

A Good HP Product,

Indispensable dans mon labo, pratique de de bonne qualité .

aanvulling op andere voedingen.werkt eenvoudig en adequaat

The media could not be loaded. Wenn man die Ausgänge mit einer Krokodilklemme oder einem Bananenstecker berührt, spielt die die Tastenbeleuchtung verrückt. ESD Impuls ? Ein Stern dafür, weil es ansonsten funktioniert. Ich schicke es zurück.

I really like this power supply and find it to be much higher quality than other popular supplies in the $200 price range.Pros:1. DC voltages were dead on using fluke multimeter.2. Area efficient for my workbench given its three amp output compared with other supplies.3. Oscilloscope tests showed no spiking of voltages at power on, when enabling channels, or when changing voltages. The voltage change was gradually ramped and controlled.4. Not a ton of relay switching as voltages were increased. There is also some hysteresis built-in so if the voltage is at a switch in point there is margin after it has been switched. If the channel is off you don't hear any relay switching until you enable the channel which is nice.5. Oscilloscope tests showed noise was well within spec.6. Can set current limits without shorting supply terminals.7. It is extremely quiet, almost silent, for low current applications which is primarily what I use it for.8. All channels worked well, there was no issue with damage during shipping which seems to affected other reviewers.9. It's nice to be able to individually enable each channel and also load previous voltage settings.10. I feel safe with this power supply in my home as it seems to be good quality. I get nervous about some of the other ones!11. I enjoyed speaking with the US customer service rep. He was quite helpful with my oscilloscope questions(from an earlier purchase) and gave me the impression that this company really does intend on being a professional lab equipment company rather than an Amazon hobbyist company.Quirks1. The read back sometime shows a voltage 10 mV lower (one LSB) than what you set it for. This is because it's giving an accurate read back on what seems to be a mismatch for that particular quantization step. I actually appreciate the honesty of the display showing an accurate read back rather than what I set it for but I can see why people would miss the clean even number they set it for. I imagine they can add some granularity and sophistication to correct this but honestly I don't care if my voltage is 5.00 V or 4.994 V as long as I know what it is in reality.Cons1. It's 25 pounds which increases the chance of damage from shipping. However it seems most supplies with this current output are heavy. Mine arrived just fine at least but it seems another reviewer gave a negative review due shipping damage. I would recommend just exchanging with Amazon as both Amazon and the company seem to be pretty open and easy about handling such issues.2. Noise spec is slightly higher than supplies from Agilent. I measured 800uVrms. A lower current output Agilent supply I was looking at had a spec of 175uVrms but it was much more expensive. The noise of the supply is still low and good for my applications.Bottom lineGiven the quality and features of the supply I highly recommend it at this price point.