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 6320-01-506-9439
NSN 6110-01-104-3082
NSN 5990-01-020-6841
NSN 6145-00-466-4068
NSN 5905-01-120-5768
NSN 5960-00-108-9555
NSN 5965-00-007-7863
NSN 6130-01-534-6634
NSN 5998-01-351-1447
NSN 6105-00-195-1273
NSN 6610-01-463-5368
NSN 6320-00-186-6452