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 5996-01-178-5272
NSN 6145-01-499-9745
NSN 5950-00-343-9683
NSN 5855-01-337-0245
NSN 5945-01-132-4877
NSN 6220-01-042-4613
NSN 5945-01-247-6373
NSN 6685-01-150-4095
NSN 5950-01-407-8548
NSN 7035-00-541-8516
NSN 6645-00-497-3495
NSN 6650-01-203-1632