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 7035-00-541-8516
NSN 5895-01-437-9318
NSN 5990-01-609-4793
NSN 6130-01-651-2255
NSN 6645-01-163-9930
NSN 6610-00-875-3247
NSN 5960-00-231-3767
NSN 5965-01-399-8454
NSN 6135-01-606-8244
NSN 5985-00-067-3324
NSN 6110-01-068-4743
NSN 5960-01-495-0859