Adjustable Power Supplies, Eventek Adjustable Power Supply 30V 5A, Adjustable Bank Power Supply, Crocodile Cable/Test Lines

I am a hobbyist and not an experienced electrician and this is my initial impression as I have only owned the product for a few days. Until now I have made do with wall socket PSu's to power my projects, so the Eventek bench supply is my first supply of this type. My first impressions are that it is ideal for an hobbyist and the advantage over a wall socket PSU is obvious. The unit appears to be solidly engineered and is compact with a small footprint. The voltage range 0 - 30 volts is more than sufficient for my purposes, and the 0 - 10 amp rating is also sufficient. My initial check confirms that the output is stable. Others have questioned the quality of the leads, but for my usage I think they are OK. The fine adjustment controls enables spot on selection of parameters and the display is very clear. Many other bench supplies are very much more expensive than this product, which I consider to be excellent value for money. Overall I am very impressed with the quality of this product and for the hobbyist it comes highly recommended.

The media could not be loaded.  I needed a stable 12 V - 24 V power supply for a project. It worked straight out of the box. Very easy to set the voltage and choose your current limit and allowed me to finish my project. Only had it two days but it has worked brilliantly so far.

Compact power supply with a useful voltage (0 to 30V) range and according to the manual, a maximum current of 10A. I haven't yet tested the maximum voltage obtainable at 10A but it does pull 10A under the current limit test (i.e. by shorting the output terminals) and measuring the current. Very disappointed in how the item arrived. Unit was sent only in it's product box which is quite flimsy cardboard. On arrival, it was obvious what the item was and the box was well bashed and torn. However to my amazement it survived with no damage and worked OK. Just think it was bad to send this type of item in such a weak box. Tested the unit across the voltage range. The voltage output is pretty smooth when viewed on a oscilloscope, although the voltage display becomes less accurate as the voltage is increased. At 1.0V, 9.0V, 15.0V, 20.0V & 30.0V the unit output is 1.00V, 8.77V, 14.51V, 19.35V & 29.0V. So at it's maximum displayed output of 31.0V the measured output is actually about 1V less at exactly 30.0V (no load). I'd have expected the display to be a little better than this but I guess the unit is low cost. The cooling fan only comes on at >=50C so haven't tested that yet. The output terminals do not look that strong but with care should last. The output terminals do accept 4mm banana plugs (not included) which I would recommend purchasing as the cable fixings supplied are fiddly to fit. My unit arrived with a three pin UK plug. Overall I'm pleased with the item. It is good value. Don't expect a high end power supply but for general home use at reasonable current loads it works OK. I cannot comment on it's performance under high current loads as I didn't purchase it for that reason. A few amps is all I really require across the voltage range.

Brilliant all round high power supply. Compact but can run high amps and not even get warm. Supplied with two sets of crocodile leads which would have been nice if they were a bit longer. Use mine for electronic projects and supplying bolts to a Perspex bender I have made.

Great bit of kit, got it to do some electro platting, worked perfectly.

In under 3 months this faulted short, taking out breakers. It can not cope with inrush current.

I bought this to provide controlled power for my (inexperienced) efforts to create electronic projects. So far it has worked perfectly and I feel confident in using it. It is reasonably weighty and gives the impression of being very well built and rugged. I would have preferred banana plugs for the leads, rather than the fiddly lugs provided, but that is very minor in my overall favourable view of this power supply. Another plus is its very reasonable price.

I simply LOVE it. Small, light, yet tremendously powerful, and (how shall I put it otherwise ?) gracious controls. Gorgeousity in a box.I did replace the supplied cables with others more suitable for my work, but this was my personal option.I've had in the past variable power supplies, twice the size, half the power and (at least) ten times as heavy, so I do know the difference :)

Arriva bene confezionato, è bene rifinito e i pulsanti e manopole sono robusti e lavorato bene. La corrente erogata è precisa (misurati con un tester sia il voltaggio che amperaggio). La corrente è stabile nel tempo.

Ein kleines, funktionierendes Netzteil mit beeindruckenden 10A und 30V ohne unnötigen Schnickschnack.Einige andere Netzteile, bei denen man nach dem Einschalten zusätzlich eine Taste drücken muss, damit Spannung anliegt, oder solche, bei denen man durch Druck auf Drehregler, Dezimalstelle für Dezimalstelle durchtasten und einstellen muss, finde ich persönlich sehr umständlich und nervig.Nicht so bei diesem Netzteil. Durch Drehen an Grob- und Feinreglern wird direkt eingestellt.Einziger kleiner Kritikpunkt an diesem Netzteil:Die Drehknöpfe hätten der Anzeige entsprechend zugeordnet werden können; Da die Spannungsanzeige oben und die Stromanzeige darunter ist, hätte ich zur intuitiven Bedienung erwartet, dass die oberen Drehregler die Spannung und die Unteren den Strom einstellen. Und zwar der Eigenschaft von Zahlen entsprechend, die linken Drehregler für die Grob-Einstellung und die Rechten für die Fein-Einstellung. Diese Zuordnung ist naheliegend und hätte die Einstellung noch intuitiver gemacht.Da ich aber bisher kein vergleichbares Netzteil gesehen habe, bei dem an diese Zuordnung gedacht wurde, gibt es dafür keinen Punktabzug.Klare Kaufempfehlung.

To allow for doing experiments using more power I bought two of these. I did understand there was no setting up, you have to start from zero and increase voktage and amps till you are happy, nor any way of switching that setting on or off except switching the whole thing on and off. I have not measured if it will produce any bad glitches when switched on. Not planning to use these ones to power cpus anyway, so not worried. I have done a quick power test using a 12 V heated fan. All settings on max I got 9.5 volts and 9.5 Amps (same on both of them), which is ok, but I was hoping for a bit more. Might look around for one more that can produce more power. All in all happy with the purchase, but it has compromises. Good price performance, but as a power supply for the lab it is lacking some features. I was aware, and have better ones when I need more control.

Buen producto, una fuente con tanta potència no suele ser tan barata. todas las funciones son correctas, la precisión de la pantalla integrada es cuestionable (si lo que se necesita es mucha precisión, si no es perfecto) recomiendo medir con un multímetro la salida antes que confiar al 100% en que el valor que se muestra por pantalla es exacto. Buen producto recomiendo su compra

Le carton contient une documentation (anglais, francais, italien...). Deux cables d'alimentation au format anglais/royaume uni et francais/europeen de type E (type E = France sans clapets metalliques, F = Allemagne avec clapets lateraux). On a egalement deux jeux de cable crocodile/cosses en C. L'appareil n'est pas trop lourd. On regle la tension a 0 et le courant (A) a 50 % et on met les deux reglages fins a moitie de course. Fonctionne de maniere standard : on regle le voltage selon ce que l'on doit alimenter et l'appareil affiche l'impedance consommee en mode "tension continue" ou "Current Voltage". Lorsque l'on souhaite proteger un circuit on manipule le bouton A : reduire le niveau en-dessous de ce qui est normalement consomme fait basculer en "Constant Current" et agit comme limiteur d'impedance, et augmenter le voltage est limite automatiquement. Remonter l'impedance au niveau consomme par le circuit permet de rebasculer en tension continue. On retrouve bien le fonctionnement habituel d'une alimentation de laboratoire qui permet de reguler la tension de 0 a 30 Volts, et soit d'observer l'impedance consommee soit de la limiter avec une contrainte automatique sur la tension fournie en consequence, pour proteger un circuit un appareil.0.02 V de tension minimale donc tres bien. Voltage maximal conforme. Le coarse peut se manipuler lentement et reste relativement precis et le fine permet de faire du +/- 0.1 V ou A en pas. L'alimentation est silencieuse, et son ventilateur ne s'enclenche que si la tension et l'impedance augmente au-dela d'un seuil consequent.Je n'ai pas encore eu le temps de la demonter pour verifier les condensateurs presents et la construction interne. Je sais qu'il existe pas mal de clones chinois de l'appareil a la qualite plus que douteuse (au sens ou une certification CE leur est impossible) et j'espere donc ne pas avoir de desagreable surprise a l'inspection interne. Je n'ai pas passe le signal a l'oscilloscope pour voir le bruit mais au vu du prix et des revues que j'ai deja pu voir de l'appareil, il n'est pas enorme mais present malgre tout (aux environs de 100 micro-Volts de bruit ce qui est correct).L'alimentation est correcte, fonctionne comme attendu. Je reviendrais dessus apres avoir etudie la partie interne et passe a l'oscillo la sortie.[mise a jour fevrier 2019] J'ai pu passer l'alimentation a l'oscillo et j'ai un bruit d'environ 300 mV de 0V a 30V. Plus on s'approche des 30V et plus on approche les 400 mV de bruit, et a 0V on est a un minimum de 250 mV environ. Ajout de deux images en provenance d'un Hantek 5102P.