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 6685-01-196-0566
NSN 6650-00-899-5145
NSN 5925-00-140-6367
NSN 6610-01-133-9812
NSN 5998-01-514-8566
NSN 6610-00-280-6037
NSN 6130-01-632-2870
NSN 5985-01-038-7038
NSN 5999-01-085-5082
NSN 6220-01-158-2871
NSN 6135-01-180-9611
NSN 6105-01-625-3366