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 4140-00-081-6814
NSN 6645-01-064-3711
NSN 5930-01-127-7846
NSN 5855-01-620-4801
NSN 5920-01-148-4071
NSN 6105-00-946-8442
NSN 5999-00-793-4273
NSN 5920-01-041-8936
NSN 5999-01-649-8811
NSN 7035-01-541-2307
NSN 4140-01-581-0843
NSN 5915-01-381-2519