Re: My POS 360 Died............Again
Joule rating. This is the most widely promoted surge protection specification. It is also the most misunderstood and misrepresented specification. Joules are representative of how much energy (how large a surge) the UPS can absorb without being destroyed by a power surge. The higher the rating, the less often you will have to replace your UPS.
UPSes with higher joule ratings are also more likely to prevent a huge power spike from reaching your computer. The internal UPS component that intercepts power surges and sends them to ground is an MOV (metal-oxide varistor). Units with higher joule ratings usually have more MOVs than units with lower joule ratings. The more MOVs, the less likely a power surge is to jump across the UPS to reach your computer.
Unfortunately, some companies use a variety of techniques to inflate the joule ratings of their equipment. For example, some less reputable companies use MOVs designed for 220-volt circuits. This increases the joule rating in a totally meaningless way because the MOVs do not respond until the power surge has already damaged your equipment.
When you buy a diamond, the best way to avoid phony jewels is to buy from a reputable dealer. When you buy a surge protector, the best way to avoid phony joules is to buy from a reputable manufacturer such as APC, Belkin, or Tripp Lite.
Joule rating. This is the most widely promoted surge protection specification. It is also the most misunderstood and misrepresented specification. Joules are representative of how much energy (how large a surge) the UPS can absorb without being destroyed by a power surge. The higher the rating, the less often you will have to replace your UPS.
UPSes with higher joule ratings are also more likely to prevent a huge power spike from reaching your computer. The internal UPS component that intercepts power surges and sends them to ground is an MOV (metal-oxide varistor). Units with higher joule ratings usually have more MOVs than units with lower joule ratings. The more MOVs, the less likely a power surge is to jump across the UPS to reach your computer.
Unfortunately, some companies use a variety of techniques to inflate the joule ratings of their equipment. For example, some less reputable companies use MOVs designed for 220-volt circuits. This increases the joule rating in a totally meaningless way because the MOVs do not respond until the power surge has already damaged your equipment.
When you buy a diamond, the best way to avoid phony jewels is to buy from a reputable dealer. When you buy a surge protector, the best way to avoid phony joules is to buy from a reputable manufacturer such as APC, Belkin, or Tripp Lite.
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