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The Satic Shield EMI Meter measures electromagnetic interference that is commonly referred to as "dirty electricity" on AC power lines.
Once plugged in, the monitor immediately displays total line interference, also referred to as line noise, rated in millivolts as measured from peak-to-peak, ranging from 0-2999mV.
The unit records peak mV while also displaying real-time mV numbers. The LCD displays adds a second visual indicator in the form of a visual swoosh-shaped line diagram indicating peak interference before and after filtering as well as displaying voltage.
A speaker adds an audio indication proportionate to the real-time line interference.
What does the EMI Meter tell me, and how are the Power Perfect Box and Pure Power Plug-In EMF Filters helping?
The Satic Shield EMI Meter measures the relative amount of dirty electricity, or electromagnetic interference (EMI), on wiring in buildings. It measures the amount of EMI in millivolts (mV). The amount of EMI correlates to the amount of sound emitted by the EMI meter, which also relates to the amount of EMF on the wiring. The Power Perfect Box Wire-In EMF Filter and Pure Power Plug-In EMF Filter reduce the amount of EMI. Using the EMI Meter to measure before and after EMF Filter installation will demonstrate how the products can reduce the amount of EMI and related EMF radiation.
Why do the EMI Meter readings vary in different areas of the house?
The EMI Meter will measure what the reading is on any particular phase and circuit at a particular time. Although your entire electrical system is interconnected at the distribution panel, the proximity of devices on a particular circuit will have a greater influence on the EMI meter than a more distant place in the house, on a different circuit, or on a different phase.
Why is my EMI reading so high? Other Satic members are reporting much lower numbers.
Readings will vary greatly depending on what is connected to the electrical system. If there is already a solar system installed, then the inverter will likely have a significant impact on the reading. Other factors such as CFL lighting, switching power supplies for electronics, and older appliances may also have significant impact on the readings both before and after. In fact, in some situations you may not be able to get readings under 100 for these reasons.
Why do my EMI readings change throughout the day?
Your EMI/Dirty Electricity readings are a component of your electrical usage. The more electricity that is in use, the higher your EMI/DE readings may be. They can also be affected by your neighbor’s usage and from the power you receive from the grid.