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 5996-00-389-7404
NSN 5999-01-346-6017
NSN 4140-01-129-2239
NSN 6645-00-968-6118
NSN 6650-01-022-0627
NSN 5895-01-530-8914
NSN 6610-01-361-5784
NSN 5895-01-561-0230
NSN 5855-01-651-1393
NSN 5895-01-313-0296
NSN 2925-01-100-3694
NSN 6220-01-307-6012