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 5975-00-211-7124
NSN 5930-01-180-7203
NSN 5910-01-651-5176
NSN 6145-01-173-9474
NSN 5950-00-980-3830
NSN 5905-00-775-5733
NSN 5930-00-912-9130
NSN 5855-01-507-5749
NSN 6135-01-400-2947
NSN 5895-01-181-5471
NSN 6130-00-518-1723
NSN 5945-01-359-3028