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 5960-01-432-6038
NSN 6150-01-388-2592
NSN 5960-01-030-2792
NSN 7035-00-312-3055
NSN 5895-01-368-6231
NSN 5915-01-331-5097
NSN 5895-00-006-2025
NSN 5905-01-095-7920
NSN 5985-01-447-3043
NSN 5965-00-422-5415
NSN 5910-00-498-6174
NSN 4140-01-148-9867