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Written by Mikhail Ivanenkov
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Tuesday, 10 July 2007 |
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Page 2 of 2
The tester receives power from your PSU, so as soon as the 24-pin connector is hooked up it turns on.
The LEDs on the left will illuminate depending on which connectors you have plugged in. The LCD readout to the right is always the same. It displays +5V, +12V1, +3.3V, -12V, +12V2, and 5VSB rails as well as PG (power good signal rising time). According to the spec sheet it's accurate to within 0.1V and allows for +/- 5% tolerance on the 5V and 3.3V rails and +/- 10% tolerance on the 12V rails. Anything above or below that and the display will flash and an alarm will sound. In the above images, you can see that the connected power supply is reported as having 5.4V on the 5V rail which is above the 5.25V high tester rating.
Additionally, since the appropriate connector wasn't hooked up, the letters "LL" flashed for the +12V2 rail, designating that no voltage was detected. This also happens if it drops below the minimum tester rating. If the voltage exceeds the maximum tester rating, the letters "HH" will flash. The only drawback to this tester is that it's impossible to check voltages with a connected system (particularly during peak load), which is just as (if not more) important than idle voltage readings. It would be nice if there was a pass-through 20/24-pin connector allowing for these readings to be taken. You can use a digital multimeter for that though.
Pros
- Fast and easy way to detect rail voltages
- Alarms for high/low voltages
- Solid build
- Inexpensive
- Great tool for anyone dealing with computers on a regular basis
Cons
- Not for everyone
- No way to measure voltages when the PSU is connected to a system
Jab-tech's PSU tester is a solid piece of equipment that's great for quick testing of unconnected power supplies. It's a good way to check if really awful rails are causing problems, but the lack of pass-through power connector prevents any sort of on-the-fly testing with a functional system. All in all it's a good tool and should be considered by those in the tech field. If interested, you can get yours here at Jab-tech. Feel free to comment on this review here. Thanks for reading and enjoy the site!
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Last Updated ( Tuesday, 10 July 2007 )
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