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 5910-01-351-4667
NSN 5965-01-335-6630
NSN 5935-00-532-0344
NSN 5935-00-802-4027
NSN 5965-01-279-1075
NSN 6645-01-552-4570
NSN 5895-01-655-6025
NSN 5945-01-356-5198
NSN 4140-01-207-0452
NSN 6110-00-787-4833
NSN 5925-00-804-5814
NSN 6620-01-277-5990