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 5998-01-437-8013
NSN 5945-00-332-6954
NSN 5905-01-607-1884
NSN 7035-01-421-2398
NSN 5925-01-074-3043
NSN 5985-01-170-9997
NSN 5985-00-840-6817
NSN 5855-01-184-8089
NSN 5835-00-868-3399
NSN 5999-00-081-0305
NSN 5935-01-020-3922
NSN 6145-01-315-1620