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 4140-00-283-6843
NSN 5999-01-218-3769
NSN 5950-00-007-4488
NSN 6150-01-432-3591
NSN 6145-00-378-3836
NSN 5930-01-611-6282
NSN 6320-01-201-2776
NSN 2925-01-649-7543
NSN 6110-01-097-6805
NSN 5835-00-106-2120
NSN 6130-00-138-9665
NSN 5975-00-361-0313