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Summary of EMF testing of Ereada Professional mats EREADA AMETHYST MATS EMF All Ereada mats use the passive and active EMI (Electro-Magnetic Interception) technologies integrated into our Amethyst mats to protect users from this harmful inductive EMF, especially those of high frequencies.   The passive system consists of the double silicon and Teflon insulation and shielding of low emission titanium heating elements and the EMI layers of the mats with the copper fiber,...

Hello!​I am Andrey, the founder of Ereada Corp. Often, we receive questions about the heated crystals' powers and related literature and studies. In 2014 I was skeptic about the warming amethyst mats and shocked by their high prices.  It was so until I tried the Richway Biomat Mini for the first time. I suffered from the injured nerves in both elbows (carpal tunnel syndrome), knee and hand surgeries after several accidents, chronic back pain, and...

Ereada® mat is not a regular heating pad.

It contains a lot of crushed & polished natural Amethyst. Hot crystals emit energy by radiant deep penetrating FIR rays, not as conductive heat like a regular pad mainly heating the skin only.

Our mats reach 158°F (70°C). Conventional pads' max temperature is only 130°F (55°C).​ 

Our heated stone mats are multi-layer, with an expensive EMF-free titanium 64-twisted wires heating system (0.2-0.5 MilliGauss) and distinct layers to block harmful electromagnetic waves. 

It is beyond comparing with standard pads emitting 20-40 MilliGauss while heating. 

Now we have almost all of our mats in both 110-120V versions for the North American Voltage (also used in Japan) and the 220-240V models for Europe, Asia, and South America. 

110-120V and 220-240V mats are entirely different. They will not work with another voltage without a large and noisy power converter.

When you select the model, please make sure you choose the right one!

Some of our customers, not so familiar with our mats, first think that Ereada Mats are not as hot as they should be.  

Folks try to use the mats on the highest levels for an extended time and may get low-temperature burns or a "buzz" effect.

Other people think that the mats may be defective.

This article answers most important questions about how radiant far infrared rays of all types of Amethyst Mats and other gemstone or crystal heating pads transfer heating energy inside your body and shows our customers how to perform temperature tests at home to be sure that the mat is in good condition.

How to preheat mat correctly, so that it gains full temperature in a short period and not to worry about rapid changes of the mat surface temperature.