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 5895-01-567-2308
NSN 6610-00-935-7131
NSN 5998-01-544-7667
NSN 5915-01-443-6559
NSN 2925-00-099-4030
NSN 5999-00-784-5452
NSN 5996-00-330-9184
NSN 6135-01-495-0933
NSN 6320-01-643-0850
NSN 5925-00-346-7991
NSN 6685-00-153-0266
NSN 6130-01-369-5456