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 6135-00-451-0709
NSN 5855-01-100-3272
NSN 5905-01-158-8158
NSN 6620-01-599-2011
NSN 6220-01-333-4415
NSN 5905-01-216-2150
NSN 7035-01-469-0109
NSN 5998-01-525-6689
NSN 6685-01-387-7587
NSN 2925-00-677-5641
NSN 5895-00-966-7710
NSN 6110-01-529-6715