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 4140-00-300-8111
NSN 5925-00-304-3315
NSN 5855-00-688-9954
NSN 5945-00-263-1511
NSN 5925-00-910-0033
NSN 6220-00-099-9192
NSN 5935-00-989-3211
NSN 5945-01-202-6177
NSN 5915-01-032-0642
NSN 5895-00-942-2833
NSN 6150-01-241-0324
NSN 5996-01-287-8311