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 6110-01-058-1175
NSN 6135-00-168-9352
NSN 5910-00-821-5295
NSN 5905-00-240-8180
NSN 5915-01-484-5029
NSN 7035-00-275-5604
NSN 6220-01-251-0344
NSN 5999-00-379-7130
NSN 6610-00-583-1084
NSN 4140-01-370-3262
NSN 5925-00-990-0238
NSN 5920-01-153-7487