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The Best Power Supply Tester of 2021

  Updated on 19 October, 2021

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Quality-Checked
Generated From 25K+ Reviews!
SaleBestseller No. 1
Thermaltake Dr. Power II Automated Power Supply Tester...
  • Supports all ATX power supply up to ATX12V 2.3
  • Oversized LCD panel shows all voltages within 1/10th volt for quick and easy...
  • Voltage reading for all rails (+12V/5V/+3.3V/5VSB/ 12V)
  • Built in output connectors diagnostic system, low voltage, high voltage, no voltage, PG...
Bestseller No. 2
Optimal Shop 20+4 Pin LCD Computer Power Supply Tester for...
  • 8-in-1 ATX power supply tester: Support testing 20-pin IDE/24-pin IDE/HDD/floppy disk...
  • Aluminum alloy shell: light and easy to carry, high strength, good thermal conductivity...
  • 1.8" LCD screen: The output voltage is displayed on the 1.8" LCD screen, which is easy to...
  • Buzzer alarm: When your power supply PG number fails, the power tester will emit a buzzer...
Bestseller No. 3
Comidox 1Pcs 20/24 Pin LCD Computer PC Power Supply Tester...
  • The LCD power tester is a powerful power test device. This power tester only needs to be...
  • The LCD displays various parameters such as output voltage and PG. When each parameter...
  • It can measure the voltage of each group of power supply 3.3V/+5V/+12V/-12V/SB+5V/PG, and...
  • It has LCD intuitive and accurate display voltage (+/-0.01V), automatic fault alarm,...
Bestseller No. 4
Seasonic PRIME 1300 Platinum SSR-1300PD 1300W 80+ Platinum...
  • MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and...
  • FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a...
  • 80 PLUS Platinum - 90% efficient at 20% load, 92% efficient at 50% load, and 89% efficient...
  • PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the...
Bestseller No. 5
Seasonic PRIME 1300 Gold SSR-1300GD 1300W 80+ Gold ATX12V &...
  • MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and...
  • FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a...
  • 80 PLUS GOLD - 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at...
  • PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the...

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8.9
Popularity
7.9
Reviews
8.4
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9.5
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Buyer's Guide: Power Supply Tester

Power Supply Tester: An Essential Computer Hardware Safety Device

An ATX Power Supply Tester is a great investment to protect your ATV from power surges and outages. These inexpensive testers can be purchased at any local power supply shop. They are simple to operate, and once installed can help prevent expensive damage to your ATV.

The ATX Power supply test provides a built in multimeter with VCR like features to test the power input on your ATV. The ATX Power supply tester provides a built in 25W 5.4hm, +12V, -12V and 3.3v leads for measuring output voltage levels, making multimeters easy to use. The power supply tester also has a display that will show all of the results it has accumulated during a testing session.

Before beginning a session, you should make sure the power supply tester is set to its full output. The power supply tester should have an active fuse of the appropriate value. If the fuse does not work, the device may need to be repaired or replaced. In most cases, the only way to tell if the fuse is working properly is to carefully examine the multimeter and look for an accurate voltage reading. If the reading is off by more than five volts, the fuse probably needs to be replaced.

If your ATX power supply tester produces a variety of measurements, consider purchasing a universal serial bus power cable that can connect the different sensors. This will allow you to get a better readout on the sensors. If your psu is made of a circuit board that has many components, consider replacing all of them with new sensors that are designed to work with the same circuit. By doing so, you can ensure that the readings are consistently off when the components are tested together.

When installing the power supplies, check to make sure all of the connectors are securely in place. Some manufacturers place the power connectors in a way that makes it difficult to tighten or remove. Others place the connectors in a way that makes it difficult to reconnect them. To avoid having these problems, always place the power supplies in a way that provides a good amount of space for tightening and removing the power connectors. Never try to force the connectors while they are still connected to one another.

When troubleshooting an ATX 24-pin motherboard power supply voltage fluctuation, you should first take note of the other components on the ATX 24-pin motherboard. If the power supply is equipped with the appropriate motherboards cables, then it should be easy to isolate the cause of the fluctuation. You might need to use an ohm meter or a multimeter to determine the supply's resistance. Once you have determined which component is providing the supply's fluctuation, you can then look for other problematic parts on the motherboard.

Sometimes, a bad connection can also cause a drop in voltage. To test for this situation, you can connect an watt meter or multimeter to the output terminals of all 12v power supplies that you have. You can then observe the voltage drop as the output varies from time to time. This will give you an indication that the power supplies are not connecting properly.

To prevent a drop in voltage, it is important to always connect the components of your computer correctly. The use of an improper power cable can cause a serious short-circuit and fire. Therefore, always use power cable wires that are compatible with the components. Power Supply Tester is very essential to maintain the proper operation of your computer equipment. It can save your life.