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 5975-01-426-3279
NSN 5965-01-169-9163
NSN 5835-00-838-0707
NSN 5905-00-063-9278
NSN 6240-01-012-6953
NSN 5930-01-309-4676
NSN 5996-01-515-6895
NSN 5920-01-258-5035
NSN 6645-01-093-5015
NSN 5950-00-528-9293
NSN 6150-01-455-2613
NSN 5998-01-069-0481