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 5855-01-261-5495
NSN 7035-00-300-3208
NSN 5920-00-190-4418
NSN 5950-00-008-8685
NSN 6685-00-862-9055
NSN 5915-00-226-5461
NSN 5960-01-641-5493
NSN 6150-01-229-4957
NSN 5965-01-305-7413
NSN 6650-00-716-1552
NSN 6130-01-320-3031
NSN 6110-00-061-7611