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 6610-01-519-0997
NSN 5930-01-260-6907
NSN 5905-01-094-3642
NSN 5996-01-099-2841
NSN 6105-01-598-1841
NSN 5905-01-484-7772
NSN 6685-00-229-7350
NSN 5930-01-122-4589
NSN 5945-01-532-1463
NSN 5996-01-097-6256
NSN 6135-01-570-4284
NSN 5945-01-367-6469