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 5950-01-273-5466
NSN 5996-01-425-5270
NSN 6150-01-397-4724
NSN 6240-00-372-4841
NSN 5950-01-461-3109
NSN 5855-00-466-2309
NSN 5910-00-663-5865
NSN 5905-01-211-2754
NSN 6610-01-287-9814
NSN 6110-01-117-8836
NSN 5975-01-301-8609
NSN 7035-00-616-4410