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 7035-00-585-2113
NSN 5855-01-125-4768
NSN 5985-01-201-7655
NSN 6650-01-188-8028
NSN 6320-00-403-6003
NSN 4140-01-243-3187
NSN 6685-00-075-4709
NSN 6645-01-485-6536
NSN 6240-00-944-1296
NSN 5855-01-203-4719
NSN 5905-01-106-5212
NSN 6105-01-323-4695