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 5998-01-415-5525
NSN 5920-01-154-6209
NSN 5920-00-752-2778
NSN 5990-01-571-7468
NSN 5910-01-204-9539
NSN 5990-01-510-4699
NSN 5999-00-964-5239
NSN 5960-01-536-9763
NSN 4140-00-550-2994
NSN 5950-00-505-0295
NSN 5950-00-982-0183
NSN 5945-00-042-5553