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 5855-01-525-1994
NSN 5895-00-561-3326
NSN 4140-01-198-5652
NSN 5915-01-375-4916
NSN 5990-01-167-1308
NSN 6620-01-093-1383
NSN 7035-01-374-0005
NSN 6650-00-585-1850
NSN 6610-00-739-3095
NSN 2925-01-612-0405
NSN 6110-00-453-5839
NSN 7035-01-218-6960