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 6220-01-415-3350
NSN 5990-01-160-6978
NSN 7035-00-946-2642
NSN 5996-00-075-3027
NSN 2925-00-654-3206
NSN 5999-00-840-6361
NSN 6220-00-943-8323
NSN 5990-01-286-0601
NSN 5996-01-500-7871
NSN 6145-01-024-9211
NSN 6110-01-063-2146
NSN 5905-00-296-8763