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 5905-00-482-4076
NSN 5950-01-604-8158
NSN 6220-00-267-6940
NSN 5998-01-554-4280
NSN 5930-01-058-1959
NSN 5998-01-339-6480
NSN 5998-01-554-4211
NSN 5985-01-025-1491
NSN 5996-01-505-4239
NSN 5965-01-294-7522
NSN 4140-01-311-8596
NSN 6620-00-273-8735