Will be back every time I log on.
Okay tester and cheap plastic cover feel......., (What's this?) You get what you pay for, so should have get the aluminum body which costs a little more $18.92.
However, LCD screen is better than led light indicator.
Works well - valuable troubleshooting tool, (What's this?) I purchased this because I was having some strange computer problems and suspected the power supply. I got this one through Amazon.com because it was half the price of the identical unit at the local branch of a major computer parts chain. I won't go into operation and use of the unit because other reviewers (especially P.S. and R.W.) have already provided great detail. If you are troubleshooting a modern desktop computer power supply (ATX style) or an older AT style, you must have one of these. It is about as easy as it can get to operate: connect the motherboard and CPU power plugs to the tool, and disk drive and SATA power plugs if you want to test power for those as well. Then press and hold the button and read the display.
One thing that is rarely mentioned is that the power supply must have correct load impedances attached before it can operate at all. That is a characteristic of all switching power supplies, not just these. A switching power supply is not like an older analog power supply. If you disconnect it from the motherboard and try to measure output voltages, the power supply probably will not be operating. This tester provides the correct loads and makes the measurements for you.
Don't Buy!!!, (What's this?) I ordered this from LLYTech Inc as a new item. I didn't notice the clear tape on the back of the package.
power supply tester, it helps me to identify powers in different power cables....making sure it s good use before connecting to the motherboard...
Simply does not work., (What's this?) Cheap, flimsy plastic design.
Vague and brief instructions.
No way to regulate beeping sound.
Tested 3 PSUs, 1 brand new, 2 know to be to good. Same results for all 3. Inconsistent beeping, confusing readout. Tried all methods, from using only the main power-lines, to using up every port, to everything in between.
Spend the extra few dollars and purchase a solids PSU tester. This one is just a waste of time.
Now I know!, (What's this?) This tester was shipped from Amazon on June 1 2011. I purchased this just to have on hand in case I needed it. I finally had to use it this month (August) on a brand new power supply the supply tested bad. Tested another new supply, it also tested bad. I pulled a known good supply from storage and tested, this one also tested bad. I borrowed another tester (Extremely expensive model) and all three tested O.K. I will be returning this one for the same model because of the reviews on it.
Just as described!, (What's this?) This Power Supply Tester worked just as it was described. It took only a few seconds to determine that my power supply had gone bad. Much easier and safer than doing it manually. I recommend this device highly.
A useful tool for computer technicians, The Coolmax PS-228 power supply tester is a valuable tool for anyone who builds or services computers. It allows easy testing of the PSU voltages and cables if a computer fails or before PSU installation so you will not damage your CPU or motherboard.
The unit tests your 20 or 24 pin power connector as well as the CPU power cables, PCI-E cables, SATA, floppy drive and Fan/Accessory cables. It features a power on button so you can connect the PSU when it is off and when you push the on button you see the voltage levels on an easy to read display. I use it to test every PSU when I build a computer to make sure that the voltages and cables are all working. The digital display is easy to read and there are tone alarms for high, low or no voltage conditions.
It's cheap and it works, (What's this?) You do get what you pay for with this PSU tester, but for my purposes it worked perfectly. I was able to figure out how to use it with the included instructions plus one of the helpful reviews here on Amazon. I would imagine that if you use something like this on a regular basis, you should consider investing in something more sturdy. I only intend to use this when I need it for emergency computer break downs, and I think it should hold up just fine for that.
I thought it was odd that you have to hold down the power button for the entire duration you want to use it, but maybe that's standard with these things. It was my first time using one after all. The alert sound was vastly annoying, and rather ear-piercing, but it certainly gets you to work quickly. At least the display was easy to read.
Features Large, backlit LCD display.Accurate readings up to +/- 0.1 V.Introduces the new 8-pin PCI-Express connector.The easiest method to accurately test or diagnose faults with your PC Power Supply Unit.Compatible with 20-pin and 24-pin PSUs..
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