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 6130-00-757-9471
NSN 2925-00-247-6248
NSN 5915-01-578-3343
NSN 5930-01-210-7759
NSN 5920-00-144-8031
NSN 5975-00-170-3623
NSN 5910-00-655-3036
NSN 6135-01-190-2628
NSN 5910-01-368-5544
NSN 6135-01-344-2442
NSN 6240-00-163-5143
NSN 5985-01-412-0465