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 5950-01-472-2196
NSN 6240-01-099-2472
NSN 6620-01-168-8450
NSN 6135-01-010-0891
NSN 5960-01-536-9763
NSN 6650-01-436-1173
NSN 6610-01-146-0331
NSN 5905-00-443-9464
NSN 5950-01-303-4733
NSN 5925-00-519-3484
NSN 4140-00-963-7517
NSN 5895-01-245-9090