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 5985-01-464-4302
NSN 6135-01-087-7895
NSN 6645-01-432-0052
NSN 5990-00-424-8872
NSN 5999-00-539-9934
NSN 6610-01-225-0416
NSN 5996-00-345-8025
NSN 6150-01-348-9684
NSN 5950-01-171-9819
NSN 5910-01-205-1456
NSN 5935-01-534-9888
NSN 5920-01-337-3823