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 5905-01-452-0604
NSN 5920-01-518-5670
NSN 6320-01-343-8191
NSN 6645-01-508-9074
NSN 5910-01-465-5869
NSN 5996-01-433-7045
NSN 5998-01-287-9771
NSN 6650-01-555-8049
NSN 6620-01-398-8986
NSN 5945-01-590-1148
NSN 6320-00-186-6452
NSN 5895-00-200-5607