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 6650-01-467-2355
NSN 5985-00-617-7702
NSN 5835-01-193-6192
NSN 6240-01-425-1939
NSN 6620-01-618-9854
NSN 6220-00-001-7941
NSN 6610-01-498-4063
NSN 5910-01-148-6772
NSN 6620-00-010-8190
NSN 7035-00-360-2008
NSN 2925-01-656-8217
NSN 6145-01-099-0448