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 5975-01-152-2635
NSN 5925-01-551-9134
NSN 5950-00-419-4759
NSN 7035-01-322-9239
NSN 5925-00-880-3294
NSN 5985-01-564-1419
NSN 5855-01-501-5683
NSN 5930-00-248-4599
NSN 2925-01-607-4340
NSN 6650-00-223-7301
NSN 5999-01-418-2157
NSN 6135-01-496-5810