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 5975-00-018-7143
NSN 6110-01-125-1660
NSN 6685-01-646-9931
NSN 6645-01-310-1539
NSN 5985-01-139-4667
NSN 6685-01-323-3610
NSN 5975-00-709-9429
NSN 6105-01-259-6879
NSN 5930-00-597-5064
NSN 6145-01-264-7232
NSN 5975-00-276-7559
NSN 6320-00-004-9158