The HT-4100 tachometer is small, thin and weighs less than 4ounces. Ergonomically designed to fit into the hand, the unit can be carried in a shirt or pants pocket. Measurement set-up can be completed ...
It’s the latest in instrumentation for the well-appointed shop — an acoustically coupled fast Fourier transform tachometer. Sounds expensive, but it’s really just using a smartphone spectrum analyzer ...
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