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 5999-01-343-6510
NSN 6105-00-833-1587
NSN 5999-01-061-9771
NSN 6620-01-352-5640
NSN 6135-01-351-1131
NSN 5950-00-854-4643
NSN 6650-00-952-4500
NSN 6110-00-626-7485
NSN 5985-01-428-7002
NSN 5960-01-284-1642
NSN 2925-01-500-4952
NSN 5855-01-088-8700