I have had a convection oven and 2 sat receivers go bad after using my inverter to power the electronics.I also have observed that my flatscreen puts out a high pitch noise when on the inverter.I am wondering if the power from the inverter, since it is not a true sine wave is causing early failure of these items.Your thoughts ?

Many inverters caution that the modified sine wave power may damage sensitive electronic devices. It seems to be a******shoot as to what ones are affected and which ones are not. Digital electric blankets and some cell phone chargers seem to fail quite frequently and digital clocks do not seem to work well at all.

Yes, it is lousy MSW power that's giving you problems. It makes little sense to shove crappy msw power to your expensive gear.

My CPAP machine will run on modified sine wave, but the humidifier attachment has a sticker attached to it that says true sine wave only. I purchased a true sine wave inverter and installed it in the bedroom to be used only by the CPAP. In fact I plug the CPAP into the inverter so I can still use the machine in case of a power failure.

My MSW inverter has worked just fine for 10 years now. No electronic or other probs.

Mandalay Parr wrote:My MSW inverter has worked just fine for 10 years now. No electronic or other probs.That's why we always say it's a c r a p shoot. Evidently the OP is having problems.

Inverter use and electronics | Good Sam Community

KCFDCapt
Explorer
Aug 01, 2014
My CPAP machine will run on modified sine wave, but the humidifier attachment has a sticker attached to it that says true sine wave only. I purchased a true sine wave inverter and installed it in the bedroom to be used only by the CPAP. In fact I plug the CPAP into the inverter so I can still use the machine in case of a power failure.
2oldman
Explorer II
Aug 01, 2014
Yes, it is lousy MSW power that's giving you problems. It makes little sense to shove crappy msw power to your expensive gear.
rgatijnet1
Explorer III
Aug 01, 2014
Many inverters caution that the modified sine wave power may damage sensitive electronic devices. It seems to be a******shoot as to what ones are affected and which ones are not. Digital electric blankets and some cell phone chargers seem to fail quite frequently and digital clocks do not seem to work well at all.

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