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 5895-01-608-8864
NSN 6150-00-616-1541
NSN 5835-01-529-3050
NSN 5996-01-640-9357
NSN 5910-01-345-2897
NSN 7035-01-443-3052
NSN 5855-00-688-9954
NSN 5945-00-577-3985
NSN 5990-00-902-7764
NSN 6645-00-456-2923
NSN 5990-00-783-4560
NSN 6610-01-603-7069