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 6220-01-371-6631
NSN 5990-00-093-6794
NSN 5855-01-141-8227
NSN 5915-01-645-1687
NSN 6145-01-249-1012
NSN 6135-01-400-2947
NSN 6240-01-354-2626
NSN 6620-00-053-9568
NSN 6620-01-106-9100
NSN 2925-01-455-2558
NSN 5925-00-361-8836
NSN 6645-00-192-1152