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 6620-01-256-9703
NSN 6620-01-461-3550
NSN 6130-01-268-1703
NSN 5910-01-288-5644
NSN 5920-00-213-6411
NSN 7035-01-158-7673
NSN 5895-01-624-6469
NSN 5910-00-347-5211
NSN 5996-01-370-4940
NSN 5960-01-350-2925
NSN 6685-01-487-0173
NSN 6610-01-440-9913