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 5920-00-427-7267
NSN 6320-01-426-8947
NSN 6685-01-502-9028
NSN 6620-01-341-5164
NSN 5835-01-541-9991
NSN 5960-01-623-7202
NSN 5855-01-210-3002
NSN 5905-01-292-9098
NSN 6610-00-688-9487
NSN 5960-01-322-1945
NSN 5985-00-136-0976
NSN 5905-01-395-7616