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 5996-00-911-3890
NSN 6620-01-342-5953
NSN 6135-01-641-8640
NSN 6145-00-065-4337
NSN 6105-00-919-4744
NSN 5945-01-083-4228
NSN 5925-01-227-5536
NSN 6135-01-553-3604
NSN 6220-01-575-5265
NSN 6610-01-315-5149
NSN 5855-01-191-3404
NSN 6150-01-417-0902