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 6620-01-323-7620
NSN 6610-01-491-6226
NSN 5855-01-601-0754
NSN 5910-01-311-9261
NSN 5935-01-390-9165
NSN 5835-01-447-2544
NSN 5945-01-180-8050
NSN 5935-00-775-6759
NSN 2925-01-359-4027
NSN 7035-01-598-7660
NSN 6145-00-299-7757
NSN 5920-00-886-1142