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 5999-01-493-7639
NSN 5999-01-007-4050
NSN 5975-01-318-1850
NSN 6320-01-569-2672
NSN 6110-00-243-9210
NSN 6130-00-684-6773
NSN 5990-01-116-2181
NSN 6240-01-239-7499
NSN 7035-01-502-6764
NSN 7035-00-361-5975
NSN 6685-01-350-3451
NSN 6645-00-262-7448