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 5915-00-707-2297
NSN 6135-00-738-5571
NSN 6610-01-256-7938
NSN 5915-01-596-8573
NSN 5950-01-015-1733
NSN 5905-01-015-6024
NSN 6320-01-443-8676
NSN 5960-00-762-0553
NSN 7035-00-849-5526
NSN 6650-01-408-3269
NSN 6145-00-803-2100
NSN 4140-01-151-2158