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 6610-00-500-6944
NSN 5910-01-446-8400
NSN 6150-01-505-7144
NSN 5855-01-295-2313
NSN 5998-01-317-3493
NSN 6220-00-334-7008
NSN 5930-01-631-4169
NSN 5999-01-348-8871
NSN 5895-01-463-9979
NSN 5835-01-384-3206
NSN 5920-01-114-6264
NSN 6645-00-462-7072