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 4140-00-097-0167
NSN 5855-00-165-3093
NSN 5835-00-602-4750
NSN 6105-01-050-9376
NSN 6645-01-289-2950
NSN 5990-00-296-4825
NSN 7035-01-660-5981
NSN 6145-01-483-1905
NSN 6620-01-068-6224
NSN 5920-01-595-4192
NSN 6685-01-550-5710
NSN 5910-01-060-4943