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 5935-01-322-8135
NSN 6320-00-036-3688
NSN 6610-01-250-7477
NSN 5996-01-087-9037
NSN 5855-01-098-9038
NSN 5998-01-617-4247
NSN 5895-01-568-9978
NSN 6110-01-097-2164
NSN 5835-01-457-7951
NSN 5950-00-386-8442
NSN 6685-01-533-0365
NSN 6135-00-444-1402