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 5960-01-311-2170
NSN 5935-01-091-6168
NSN 5855-00-797-8217
NSN 6320-00-405-2348
NSN 5930-00-079-0171
NSN 6645-01-165-3785
NSN 5999-00-597-0851
NSN 6145-01-544-2990
NSN
NSN 5965-01-484-9818
NSN 6685-00-898-3167
NSN 5895-00-079-1314