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 5998-01-330-9110
NSN 5965-00-512-1298
NSN 2925-00-732-2237
NSN 2925-01-425-7087
NSN 6220-01-173-2203
NSN 5985-00-883-2325
NSN 5930-00-210-3021
NSN 6685-01-340-7799
NSN 5945-01-336-0140
NSN 6130-00-247-8871
NSN 6130-00-295-2661
NSN 6145-01-512-7446