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 6145-01-019-4478
NSN 6685-01-570-6670
NSN 6220-01-560-9909
NSN 5965-01-190-7391
NSN 5985-00-042-3697
NSN 6620-01-568-2555
NSN 5985-01-457-5634
NSN 5905-00-110-7779
NSN 5930-00-722-1745
NSN 2925-00-071-4197
NSN 6685-01-182-7806
NSN 5999-00-299-4661