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 6105-01-188-5051
NSN 5960-01-448-3497
NSN 5975-01-268-1529
NSN 5895-01-315-0060
NSN 6645-01-421-2445
NSN 5945-01-083-7334
NSN 5960-01-328-8248
NSN 6145-00-275-4046
NSN 6145-00-213-9177
NSN 5990-01-423-2219
NSN 5835-00-438-4489
NSN 6320-01-116-3980