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 6135-00-050-7189
NSN 6240-01-482-4544
NSN 6610-00-984-6528
NSN 6135-01-300-8455
NSN 6150-01-517-8498
NSN 5855-01-600-0003
NSN 6620-01-259-5944
NSN 6620-01-537-4121
NSN 5990-00-242-3754
NSN 5960-00-940-7976
NSN 6620-00-632-0161
NSN 5905-00-436-6195