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 5950-00-008-7066
NSN 5945-01-121-1190
NSN 6240-01-633-9357
NSN 5905-01-286-7953
NSN 5996-01-596-3039
NSN 5950-00-809-3178
NSN 5905-01-657-9334
NSN 6320-00-270-8222
NSN 5895-01-378-8686
NSN 5996-01-433-1230
NSN 5895-01-120-0959
NSN 7035-00-167-7411