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 2925-01-374-2402
NSN 5835-00-711-3371
NSN 6685-01-099-4046
NSN 6645-00-615-8246
NSN 5895-01-085-5382
NSN 6105-00-221-5049
NSN 5915-01-150-9289
NSN 5920-01-426-1731
NSN 5975-00-827-0932
NSN 5910-01-291-6859
NSN 6105-01-258-5884
NSN 6645-00-684-3424