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 5950-01-347-9230
NSN 5920-01-318-5316
NSN 6150-00-007-6712
NSN 5920-01-142-7554
NSN 6320-00-036-3688
NSN 6650-00-862-7143
NSN 6650-01-036-4344
NSN 6320-00-082-5868
NSN 5975-00-397-9533
NSN 5998-01-396-7550
NSN 5945-01-381-9417
NSN 2925-00-404-6461