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 6150-00-420-7870
NSN 6220-01-351-6458
NSN 7035-01-598-5676
NSN 5999-00-913-1280
NSN 5998-00-381-8587
NSN 6145-01-168-7756
NSN 6130-01-460-2807
NSN 5935-01-227-4206
NSN 5935-00-623-8256
NSN 6645-01-299-7806
NSN 5996-00-009-7956
NSN 6320-01-203-4303