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 5905-00-067-6477
NSN 5915-00-670-7948
NSN 6105-01-446-0732
NSN 5985-01-343-5473
NSN 5998-01-555-8960
NSN 7035-01-457-0371
NSN 5999-01-463-5629
NSN 5975-01-025-1613
NSN 6135-01-469-7574
NSN 6220-01-024-5931
NSN 5920-01-449-6048
NSN 6620-00-780-7786