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 5999-01-364-1237
NSN 5935-00-483-3275
NSN 6220-00-386-0997
NSN 5960-00-492-2502
NSN 5930-01-190-8706
NSN 6110-01-526-9272
NSN 5855-00-586-6255
NSN 2925-01-032-3814
NSN 5975-00-081-2171
NSN 6610-01-142-8958
NSN 7035-01-397-5009
NSN 6620-01-550-2804