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Coolmax PS-228 LCD Power Supply Tester

PS-228 Coolmax PS-228 LCD Power Supply Tester
PS-228 Coolmax PS-228 LCD Power Supply Tester
*Image may not reflect most recent product revision
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Part#: PS-TEST228
Package: RETAIL
Manufacturer: Coolmax
Manufacturer Part#: PS-228
Shipping Weight: 0.30 lbs.(0.14 kg)
Average Review:
Price: $12.99

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Product Info Reviews Warranty

Product Info:

    Specifications

    • Mfr Part Number: PS-228
    • Feature:
      • Easy to check ATX power supply
      • Accurate voltage indicator +/- 0.1V (+12V1/+5V/+3.3V/5VSB/+12V2/-12V)
      • ATX P.G. value display
      • Lower or higher P.G. values alarm
      • ATX output connectors check
      • Lower voltage detected alarm
      • Over voltage alarm
      • No voltage detected alarm
    • Connectors: 20/24pin Connector; 4/8pin CPU Connector; Floppy Connector; HDD Connector; 15Pin SATA Connector; 6/8pin PCI-E Connector
* Product descriptions and part numbers are subject to change, and may not reflect manufacturer product changes. Please check the manufacturer's website and use the item's manufacturer part number to find the most up to date product description.

Customer Reviews (Write a review.  Read all 6 reviews.)

   Reviewed by Wilson Brown from Mocksville, NC on 12/10/09

The Good:    The best, and most useful PSU field tester that I've used in 30+ years of building and troubleshooting PCs. ...and probably the cheapest one I ever bought!
The Squirrelly:    The only thing squirrelly I've found about this tester is some of the reviews I've read that made me a bit concerned about the quality before I got it and started to use it. This thing is rock solid and dead on according to my $250.00 multimeter. One guy said it seemed cheap and rattled when he shook it...Not if you hold your finger on the "free-floating" On/Off push-button. Another complained about how hard it is to disconnect the cables...that's how cable connectors are....it (continued...)
Pro Tip:    The manufacturer probably would not approve of this, but I found a flaky PSU that always passed static tests, by using a Y splitter power cable and monitering the voltages all the way through the boot sequence...Bingo!
4 out of 4 found the following review helpful, did you?
   Reviewed by G Peter Rycroft from Tacoma, WA on 01/21/10

The Good:    Works Great!
The Squirrelly:    none
1 out of 1 found the following review helpful, did you?
   Reviewed by Anonymous from Richmond, VA on 03/10/14

The Good:    This is great, I've never had one before and mostly used Volt/Ohm Meters and this is right on with all the voltages and specifics. Thanks
The Squirrelly:    you have to hold the button down and not let go of it.
Pro Tip:    Needed something to verify that I needed a new PSU.
Was this review helpful?
(Write a review. Read all 6 reviews.)


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I build and repair computers as a hobby and to help friends. SuperBiz has been fast, fair and low priced. Their customer service has been good to me. When the delivery service lost my shipment, SuperB...
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