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 5855-00-688-9954
NSN 7035-01-658-1623
NSN 6620-00-525-9294
NSN 6645-00-963-6354
NSN 6130-01-044-7373
NSN 5920-01-609-3846
NSN 6685-01-023-8731
NSN 6130-01-090-0894
NSN 5945-01-348-7996
NSN 5999-01-120-4284
NSN 6610-00-851-8727
NSN 6240-00-428-4027