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 6320-00-116-3658
NSN 6135-00-862-5736
NSN 5990-01-575-3275
NSN 6135-00-801-0587
NSN 7035-01-590-6755
NSN 6150-01-104-1041
NSN 5975-01-432-8002
NSN 5855-00-014-5008
NSN 6130-00-452-9464
NSN 5930-01-580-4392
NSN 5910-00-879-2139
NSN 6645-00-309-0447