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 6240-01-353-5029
NSN 5910-01-048-7454
NSN 6645-00-020-2787
NSN 5996-00-058-3089
NSN 5985-00-177-3633
NSN 6105-00-836-2663
NSN 6110-00-280-2753
NSN 4140-01-565-5580
NSN 5835-01-095-8851
NSN 6650-01-465-2923
NSN 5965-00-477-7587
NSN 5835-01-383-1313