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 6620-00-663-8962
NSN 6105-01-353-2240
NSN 5905-01-094-7216
NSN 5930-00-479-2387
NSN 6110-01-519-9131
NSN 6220-00-025-3697
NSN 5910-01-652-3037
NSN 5965-01-528-2226
NSN 6145-01-506-7301
NSN 6650-01-030-5545
NSN 6620-01-365-1499
NSN 5950-01-160-8176