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by eosophos
985 days ago
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Yes. I've wondered about this for a while. Because although the microwave is supposed to be fully shielded, when I take EMF readings on it with my TriField TF2 EMF meter, it's spitting out >100mW/m^2 when it's turned on. And I've seen this happen with just about every microwave I've tried this on. The only ones that haven't seem to be those expensive integrated under-counter ones where the tray slides out rather than opens like a door. Also my phone still works/receives calls when I put it in there, so it can't be as good of a faraday cage as it's supposed to be... |
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In the US, for instance, it's the Center for Devices and Radiological Health (CDRH), part of the FDA, that sets the rules for microwaves, with the performance standard set forth by CDRH allowing leakage (measured at five centimeters from the oven surface) of 1 mW/cm² at the time of manufacture, and a maximum level of 5 mW/cm² during the lifetime of the oven.[1]
A strong wifi router or bluetooth transmitter may be transmitting at one or two orders of magnitude greater than the microwave's allowed to leak, but if you're closer to the microwave than the wifi/bluetooth transmitter, or the microwave is simply between you and the wifi/blueooth transmitter, or especially if you have a low power transmitter, that microwave's going to wreak havoc.
[1] https://transition.fcc.gov/Bureaus/Engineering_Technology/Do...