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 5960-00-985-2783
NSN 6610-01-033-2402
NSN 4140-00-249-5603
NSN 5895-00-134-9053
NSN 5945-01-651-3604
NSN 5905-01-396-9284
NSN 5915-00-466-2840
NSN 6145-01-350-3532
NSN 6240-01-242-4495
NSN 6620-01-175-1408
NSN 5950-01-528-8796
NSN 6645-00-789-0800