Depending on where the knob is set, the
meter detects either frequency- weighted magnetic fields (two separate
scales), or frequency-weighted electric fields in the ELF and VLF range.
It has significant sensitivity at 100,000 Hz, well past the 17,000 Hz
horizontal scan of video displays. The radio/microwave setting can
detect up to three billion Hz (3 GHz), which lets you gauge radio- wave
power, CB and cellular phone equipment, and many types of radars. ...
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