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 6645-01-413-8003
NSN 6240-01-088-0389
NSN 6610-01-660-9082
NSN 6110-01-386-3093
NSN 6320-01-259-2604
NSN 5910-01-610-4037
NSN 6145-01-077-4886
NSN 5905-01-262-7329
NSN 6650-01-131-5318
NSN 5990-01-270-3209
NSN 6150-01-009-6420
NSN 5925-00-204-9759