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 6645-00-389-3370
NSN 5950-00-481-4030
NSN 5915-01-159-7016
NSN 5910-01-398-6280
NSN 4140-01-581-7160
NSN 2925-01-633-4048
NSN 5920-01-186-0963
NSN 5960-01-108-6636
NSN 5990-01-389-1196
NSN 6220-01-013-9498
NSN 6150-01-022-6163
NSN 5975-00-452-9315