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 6240-01-311-1121
NSN 7035-00-009-8705
NSN 6320-01-177-3192
NSN 5999-00-418-1625
NSN 5835-01-158-6878
NSN 2925-01-472-4423
NSN 5905-00-170-4163
NSN 6105-00-984-3356
NSN 6130-01-071-3848
NSN 5996-01-495-9197
NSN 6645-00-710-1352
NSN 6145-01-323-8813