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 6610-00-859-1862
NSN 6105-01-653-8574
NSN 6240-01-648-4399
NSN 6240-00-455-7640
NSN 6320-01-326-1316
NSN 5985-00-251-3458
NSN 4140-01-023-8846
NSN 5935-01-289-1194
NSN 5990-01-537-4815
NSN 5905-00-173-2970
NSN 5855-00-471-6002
NSN 5835-01-422-7393