Some questions about the above. I have a client who has some bio tech instruments that are supposedly very sensitive. He claims that the smallest power "flicker" will make them reset and stop. We talked about a UPS but he claims they looked into that and that most UPS's are not fast enough, but that there are a few expensive high end ones that are. I thought that is what a UPS was and why it has a "U" in it - that it is essentially an inverter powered off a battery so the power supply is continuous. Who is off base here, me or him? Also, we talked about using a TVSS and/or some sort of "power conditioner". Does a UPS act as a power conditioner? I would think if it is making a sine wave with an inverter than it is, as long as nothing takes out the inverter section. Would just a high quality UPS and a TVSS be all we need here?