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 5950-01-627-6473
NSN 6645-01-431-3652
NSN 5990-01-083-2430
NSN 5920-01-634-0250
NSN 5945-01-382-4537
NSN 5990-00-378-1449
NSN 6320-01-202-8761
NSN 6150-00-156-6080
NSN 6220-01-401-5337
NSN 5945-01-443-4022
NSN 6145-01-200-6377
NSN 5915-01-509-2998