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 5996-01-222-8745
NSN 5915-00-050-1307
NSN 6610-01-485-8973
NSN 6145-01-022-0886
NSN 6130-01-392-1199
NSN 5920-00-018-1452
NSN 6620-00-811-7614
NSN 6320-00-701-0437
NSN 7035-01-110-9355
NSN 6220-00-760-8823
NSN 5965-00-087-6767
NSN 6240-01-173-7809