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 4140-00-203-0812
NSN 6150-01-479-3371
NSN 5925-00-349-7046
NSN 5945-01-407-3716
NSN 6105-01-477-6406
NSN 5855-01-283-3730
NSN 6135-01-343-7093
NSN 6220-00-817-8692
NSN 6105-01-380-4392
NSN 5998-00-518-7121
NSN 6220-00-334-7008
NSN 6135-00-182-7008