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 5895-00-470-8276
NSN 5905-01-521-8627
NSN 7035-00-079-7189
NSN 6650-00-069-3107
NSN 2925-00-099-4030
NSN 5998-00-245-2984
NSN 6320-01-056-1164
NSN 5930-01-235-6679
NSN 5950-01-037-5513
NSN 5960-00-766-6042
NSN 7035-00-562-9881
NSN 5945-00-740-7159