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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 5975-01-627-9790
NSN 6135-00-248-4102
NSN 5910-01-494-7716
NSN 6145-00-351-4539
NSN 5950-01-371-3158
NSN 5915-01-302-7984
NSN 5925-01-170-4150
NSN 6135-01-546-4588
NSN 5998-01-463-0651
NSN 5855-01-495-6457
NSN 6135-01-184-0727
NSN 5935-00-424-9202