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 4140-01-126-8999
NSN 5930-00-889-5855
NSN 4140-00-552-7370
NSN 5985-00-289-9862
NSN 7035-01-012-2259
NSN 6240-01-335-7727
NSN 5990-01-211-6136
NSN 5920-01-273-3144
NSN 6620-00-080-2847
NSN 5920-01-416-2133
NSN 5915-01-459-8059
NSN 5965-00-377-0301