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 6645-00-155-2398
NSN 6610-01-138-5786
NSN 7035-01-442-3987
NSN 5855-00-138-2386
NSN 6645-01-496-9868
NSN 5950-00-858-4686
NSN 6135-00-904-6780
NSN 5965-01-399-8454
NSN 5905-00-526-0753
NSN 5835-00-215-3769
NSN 6240-01-406-5345
NSN