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 5975-00-845-2097
NSN 6650-01-260-1762
NSN 7035-01-501-2950
NSN 5999-01-648-2640
NSN 6645-01-470-7246
NSN 5935-01-234-7875
NSN 5855-01-120-7831
NSN 5950-01-303-7323
NSN 5965-01-213-0338
NSN 5985-01-540-6939
NSN 6645-00-618-6694
NSN 5960-01-567-1096