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 5960-01-334-5146
NSN 6240-01-093-4202
NSN 6130-00-619-7069
NSN 6240-01-420-6495
NSN 5999-01-425-2720
NSN 5925-00-081-9135
NSN 5855-01-049-5354
NSN 6620-00-890-5581
NSN 6685-01-056-7360
NSN 5920-01-461-2423
NSN 4140-01-271-5265
NSN 5920-00-063-0505