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 6650-01-108-6629
NSN 5925-00-792-9073
NSN 5990-00-223-5938
NSN 6145-01-467-0354
NSN 6650-00-155-5827
NSN 7035-00-931-9415
NSN 6645-00-940-0774
NSN 4140-01-390-4104
NSN 6220-00-249-4751
NSN 6320-01-476-5145
NSN 6610-00-170-6715
NSN 5999-00-959-7144