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 5895-00-943-3552
NSN 6150-00-519-1334
NSN 6150-01-487-6918
NSN 5920-01-202-4977
NSN 6620-00-868-7104
NSN 5905-00-269-5452
NSN 6685-00-339-2207
NSN 5960-01-448-3497
NSN 5945-01-473-3447
NSN 6145-01-064-4171
NSN 6650-00-557-0780
NSN 5999-01-062-2109