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 6610-01-445-5274
NSN 6130-01-149-9148
NSN 5910-00-405-1542
NSN 6110-01-213-8768
NSN 4140-01-005-0154
NSN 5999-00-063-3246
NSN 5930-01-210-4312
NSN 5965-00-722-7574
NSN 6145-01-597-5086
NSN 5930-00-326-2099
NSN 5999-00-971-6832
NSN 5965-00-486-7907