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 5855-01-614-3207
NSN 6105-01-562-4530
NSN 6220-01-070-0244
NSN 2925-01-364-7926
NSN 6145-01-137-4473
NSN 6620-00-997-6791
NSN 5930-00-395-7053
NSN 6110-01-573-4203
NSN 6220-00-966-7528
NSN 6620-00-916-3134
NSN 5990-01-284-3187
NSN 6645-01-532-8690