AlphaLab, Inc. builds field measurement instruments in Salt Lake City, Utah, and has been at it since 1993. The staff is small, around a dozen people, and the meters are assembled and serviced in the USA. Best known is the TriField EMF meter, model TF2: an AC gaussmeter, an AC electric field meter and a radio power density meter in one handheld case. The catalog also holds laboratory gaussmeters GM1-HS and GM2, a DC milligauss meter, surface DC voltmeters and Air Ion Counters built on a Gerdien tube. Meters come with a one year warranty, calibration service and free AlphaApp software for PC data logging.
Sensible pick for EMF inspectors, electricians tracing dirty wiring, labs checking magnets and researchers who need numbers they can defend. Hobbyists get a working meter too. Anyone who needs frequency detail should look elsewhere: these are level meters, not analyzers.
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