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 6150-01-030-1620
NSN 6320-00-937-5625
NSN 6320-01-233-5798
NSN 6650-01-271-1594
NSN 6110-00-233-4589
NSN 6610-01-446-7635
NSN 5915-00-932-9066
NSN 7035-01-553-1103
NSN 5895-01-599-9870
NSN 6135-01-426-8282
NSN 5998-01-310-9519
NSN 5925-00-995-1631