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An instrument which measures the level of continuous noise present in amplifier and/or receiver circuits with reference to a fixed level of signal generated by a separate noise source. It is designed to measure noise levels over a wide band of frequencies including radio and video frequencies, and is normally calibrated in decibels relative to a specified r.M.S. Voltage summation across a specified impedance, or in decibels relative to a specified noise power level. if only audio frequency range, see meter, audio level.
Classification: Instruments and apparatus without a recording device specially designed for telecommunications, nesoi
NSN 5855-00-361-0167
NSN 5960-01-462-1864
NSN 5835-00-458-4392
NSN 5925-00-154-0275
NSN 6135-00-269-5843
NSN 6610-01-065-1073
NSN 2925-01-448-2880
NSN 5945-01-088-6526
NSN 5990-00-257-2637
NSN 5920-00-144-8031
NSN 6105-01-098-8381
NSN 5855-01-479-3152