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 6620-01-095-5558
NSN 6105-01-103-3127
NSN 5925-01-616-6138
NSN 5910-01-553-2368
NSN 5960-01-009-2579
NSN 5915-01-132-6577
NSN 6645-00-140-5173
NSN 5999-00-113-5330
NSN 5895-00-126-9583
NSN 5965-00-265-7861
NSN 6105-01-070-2527
NSN 5990-01-253-1332