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 5895-01-578-6546
NSN 5855-00-930-9478
NSN 6110-01-210-2454
NSN 6150-01-152-2560
NSN 5935-01-514-9278
NSN 5835-00-764-4388
NSN 5975-00-282-2707
NSN 5895-00-915-8499
NSN 5905-01-500-4400
NSN 5990-00-079-2903
NSN 6645-00-192-1152
NSN 6610-00-890-5167