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 6145-01-252-0394
NSN 5965-01-436-0390
NSN 6240-01-514-4184
NSN 6220-01-375-7521
NSN 5905-01-142-2894
NSN 5905-01-114-8331
NSN 5925-01-197-2586
NSN 5999-00-218-4743
NSN 5999-00-134-3993
NSN 6145-00-840-6685
NSN 7035-00-541-8516
NSN 5920-00-106-1454