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 5990-01-106-3786
NSN 6685-00-319-3497
NSN 6610-01-455-0290
NSN 6150-01-352-4504
NSN 6105-01-311-9120
NSN 5999-00-707-6083
NSN 5930-00-874-3096
NSN 5925-01-170-6580
NSN 5985-01-023-5002
NSN 6220-01-047-4060
NSN 4140-01-554-8628
NSN 5925-01-419-9833