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 5996-01-627-7593
NSN 6620-01-335-9813
NSN 5965-01-406-3156
NSN 6150-00-784-0274
NSN 6220-00-888-7235
NSN 5905-01-448-0192
NSN 5996-01-117-0338
NSN 6135-00-025-6382
NSN 5999-01-141-6859
NSN 6110-01-135-7908
NSN 5930-01-057-7869
NSN 6150-01-310-5120