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 5985-01-448-6988
NSN 6650-01-350-0067
NSN 6150-01-056-5288
NSN 6685-01-552-8769
NSN 5996-01-541-4974
NSN 6150-01-562-9796
NSN 6220-01-545-8739
NSN 5930-01-135-5558
NSN 5855-01-383-6558
NSN 6130-00-023-8701
NSN 6620-01-292-2815
NSN 5935-01-348-2119