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 6110-00-311-6123
NSN 6135-00-735-8530
NSN 5965-00-529-0602
NSN 4140-01-118-6657
NSN 6150-01-257-5394
NSN 5855-00-937-7709
NSN 6645-00-754-4108
NSN 5895-00-155-4578
NSN 5990-00-983-1813
NSN 5910-01-096-8879
NSN 4140-01-650-1208
NSN 6220-01-406-9048