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 6645-00-551-8291
NSN 6685-01-602-9641
NSN 5910-01-176-7176
NSN 5996-00-476-5908
NSN 6150-01-290-1438
NSN 5905-00-262-5645
NSN 6645-01-625-4810
NSN 4140-01-034-9806
NSN 5855-01-147-6024
NSN 6135-01-190-2628
NSN 6220-01-334-0613
NSN 6240-01-159-3726