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 5855-01-530-2057
NSN 5915-01-495-1384
NSN 5945-00-490-0221
NSN 5965-00-836-2690
NSN 5905-00-246-4639
NSN 7035-00-533-4464
NSN 5910-01-304-2021
NSN 6105-00-253-5520
NSN 5960-00-529-2704
NSN 6620-00-290-6505
NSN 5960-01-425-1454
NSN 5950-00-645-7236