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 5999-01-007-2677
NSN 6220-01-555-8332
NSN 6145-01-424-1351
NSN 6685-01-087-2577
NSN 5998-00-922-9218
NSN 5895-01-033-0887
NSN 6610-00-314-2605
NSN 7035-01-026-0117
NSN 6150-01-241-0150
NSN 5915-01-243-9192
NSN 5975-01-658-1004
NSN 6240-01-135-2949