TFM3 Tri-Field Meter Kit
Ramsey Electronics Model No. TFM3
Detect RF from your radio transmitter, computer monitor, or cell phone. Pick up the field from magnets around your house, even the earth! Do a sensor sweep and learn all about electronic sensors. “See” the RF, Electric, and Magnetic fields around you in your home or office! A great teaching tool for kids of all ages; show them the invisible fields all around them. Ramsey Customer Use Only Not For Publication “See” the charge on a staticky hairbrush or comb. Learn how to use electronic parts as sensors. Runs on 4 AAA batteries. Small, handy size for portability. Cool LED displays.
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