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 6610-01-260-6320
NSN 6145-01-528-7853
NSN 6220-00-150-0039
NSN 6240-00-388-6479
NSN 6610-01-284-6968
NSN 6220-00-480-4906
NSN 5855-00-902-3069
NSN 6685-01-415-3895
NSN 6620-01-486-2555
NSN 6130-01-470-3737
NSN 5905-00-912-4442
NSN 4140-01-172-0084