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 6105-01-350-9691
NSN 6610-00-103-1196
NSN 6240-01-230-5731
NSN 5985-00-849-6184
NSN 6105-01-323-7401
NSN 5945-01-502-5961
NSN 5975-01-579-1029
NSN 5915-01-483-4695
NSN 5950-00-329-8009
NSN 5910-01-360-4109
NSN 6220-01-269-9954
NSN 5855-00-482-9876