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 6610-01-291-4173
NSN 5945-01-128-6709
NSN 7035-01-166-2473
NSN 6150-01-632-6623
NSN 5920-01-094-7284
NSN 6130-00-204-2976
NSN 5855-00-797-8217
NSN 5990-00-059-3449
NSN 6240-01-057-1716
NSN 5960-01-495-0859
NSN 6685-01-077-2326
NSN 6240-01-595-6812