An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 7035-01-403-2841
NSN 6110-00-101-4704
NSN 6685-01-049-1017
NSN 5965-01-412-5064
NSN 5999-00-090-7008
NSN 6240-00-990-3226
NSN 5998-01-216-1300
NSN 4140-01-102-6145
NSN 6620-01-271-4630
NSN 6240-01-106-6113
NSN 5985-01-126-3124
NSN 5965-01-147-5847