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 5910-01-459-9092
NSN 5905-00-881-5943
NSN 5985-01-136-4577
NSN 5990-00-578-8850
NSN 5835-01-595-4099
NSN 6610-00-661-1797
NSN 5990-00-170-9553
NSN 6110-00-982-2838
NSN 5935-00-477-2047
NSN 6145-01-279-0551
NSN 5855-01-286-9928
NSN 5855-00-631-4565