HI-3638
Measure ELF and VLF Electric Fields with the HI-3638 Electric Field Survey Meter. Full ELF and VLF capability to the Swedish MPR and the proposed IEEE P-1140 test requirements in a single meter makes electric field testing quick and simple.

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HI-3637 Isotropic VLF Magnetic Field Meter
Make isotropic measurements simply and economically with the HI-3637 3-Axis VLF Magnetic Field Meter. Three Orthogonal sensing coils are combined in a vector sum to provide accurate magnetic field measurements from any VLF magnetic field source.

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HI-3603 VLF Survey Meter
The HI-3603 VDT/VLF Radiation Survey Meter is specifically designed for measuring the complex electromagnetic field emissions from computers and video display terminals.

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