Measuring EMF in your infrared sauna: Saunray customer question Trifield TF2: https://amzn.to/2I1bMHt Voltmeter: https://amzn.to/2NR3Bku Grounded cord: https://amzn.to/2LsUjIx How to test your infrared sauna for emf levels. https://youtu.be/eUY2Fh2NYFc
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