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 5920-01-258-5035
NSN 6135-00-938-1351
NSN 5895-01-396-9058
NSN 5975-00-337-8795
NSN 5895-00-707-6663
NSN 6620-01-426-2220
NSN 6240-01-556-5808
NSN 4140-00-163-2868
NSN 6645-01-501-0576
NSN 5930-00-277-4704
NSN 2925-01-197-5432
NSN 5950-01-634-0677