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 6220-01-024-9444
NSN 6240-00-212-4305
NSN 5950-01-291-6786
NSN 5990-01-080-0097
NSN 5855-00-821-7512
NSN 5925-00-584-7189
NSN 7035-00-624-7265
NSN 2925-01-185-9144
NSN 6220-01-368-9107
NSN 5998-01-361-7121
NSN 7035-00-358-0470
NSN 7035-01-462-1957