Measures AC Fields with Digital Accuracy This has got to be the easiest hand held meter to use for measuring AC electric fields accurately. Just turn the switch on and take your readings. 4½-digit readout is in V/m. Sensitive from 1 - 19,999 V/m. 2% accuracy from 40 Hz to 20 kHz, but can be used up to 100 kHz. 9V battery included. One year mfr warranty.
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