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Wavemeters (Gumpfw)

Testing (G)
     Use For: Trials (Testing)
    Testing equipment (Gu)
         Use For: Testing machines
         Related Term (Associative): ; Equipment (Qt)
        Measuring instruments (Gum)
             Use For: Gages; Gauges; Instruments; Measuring devices; Measuring equipment; Meters; Metres
            Instruments for measuring specific phenomena (Gump)
                Instruments for measuring electromagnetic phenomena (Gumpf)
                    Frequency analyzers (Gumpff)
                    Interferometers (Gumpfj)
                    Magnetometers (Gumpfm)
                    Photometers (Gumpfp)
                    Radiometers (Gumpfq)
                    Signal generators (Gumpfr)
                         Use For: Test oscillators
                    Spectrometers (Gumpfs)
                    Spectrophotometers (Gumpft)
                    Time domain reflectometers (Gumpfv)
                         Related Term (Associative): 
                    Wavemeters (Gumpfw)