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- o***o (1263)- Feedback left by buyer.Past yearVerified purchaseExcellent eBayer, no problems at all.
- the_buyers_warehouse (32381)- Feedback left by buyer.More than a year agoVerified purchaseGood buyer, prompt payment, valued customer, highly recommended.
- ramindustrialsupplies (15075)- Feedback left by buyer.Past 6 monthsVerified purchaseThanks and hope to see you back again soon
- 1***o (13255)- Feedback left by buyer.Past yearVerified purchaseOutstanding item, Outstanding service, highly recommend this eBay seller!!!!!!!!!!!!
- serversseller (7024)- Feedback left by buyer.Past yearVerified purchaseThank you for an easy, pleasant transaction. Excellent buyer. A++++++.
- olinkatech (3401)- Feedback left by buyer.Past yearVerified purchaseFast payment, great communication, fast and friendly emails.
Reviews (23)
May 19, 2019
Looks cheap but works well
Works well on 240 V, goes up to 265 V on the output at its highest setting with 240 V in. The scale is a little off as it's marked based on 220 V input but it's close enough that it makes little difference, and the digital readout shows the exact output voltage anyway.
The unit I received came with a nicer black front panel instead of the cheaper looking translucent beige shown in the listing photo. Otherwise it's identical.
Disassembly is easy, simply remove the two grubscrews in the rotary knob to lift it off, then undo the seven screws around the base and pull the housing up and off.
Construction is definitely cheap but not excessively so, and better than I expected from the listing photos. The metal case is thin but solid and it doesn't flex, and while it smells quite strongly of rubber due to the feet, the smell goes after a few days.
The input and output connections are very small, with a couple of washers sitting on thumbscrews. As the screw is tightened by hand, the washers come together and clamp the wires in place. It wouldn't be great for high current connections but at 500 watts it seems fair enough.
I haven't tested the unit at its rated 500 watts, but as with all these things I imagine it is probably somewhat optimistic. I plan to stick to 200 watts and below which should hopefully not be an issue.
May 19, 2019
Seems to go well above 30 kV
Works really well. Seems to output a higher and higher voltage the further apart the electrodes are placed. At 30mm (yes, 3cm) it emits a clear corona discharge with occasional sparks. If the electrodes are too far apart there will be an audible corona discharge between the electrode wires, *through the insulation*. I have no means of measuring it but it seems like it gets well over 30 kV, perhaps even above 50 kV.
No problem running it continuously with 10mm sparks.
It's a pulsed output generator so it will create lots of long bright white/blue/purple sparks, but it can't be used to make a Jacob's ladder because that requires a continuous spark. The pulse rate is very rapid (so it looks like a continuous spark) but each spark doesn't last long enough for the Jacob's ladder effect to work. Instead the two arms of the ladder simply arc at random locations, which is actually an interesting effect in and of itself.
It only draws a few watts when operating. It won't switch on until the supply voltage is above around 180 V, so you can't reduce the output voltage by reducing the input voltage.
Feb 07, 2023
Good read/write speeds with a SanDisk card reader
I used a SanDisk USB UHS-I MicroSD card reader with this and I was able to briefly reach 90 MB/sec write speeds, but the card got to 85°C according to my thermal camera. 200 MB/sec read speeds were promised but I was only able to get to 170 MB/sec, and the card got too hot to touch. But it didn't fail, I was still able to fill up the card and read it all back again without any problem.