sound pressure level under reference conditions is 102db; less than 3% thd; operating temperature range -10 to +50 degrees celsius; operates in 5 to 90% relative humidity; altitude correction less than 0.1db to 10.000 feet; microphone chamber accepts 0.375 inch microphone
An item that, when used with an associated audio frequency signal generator, determines by comparison the output level of an audio frequency voltage. The meter is marked in volts or submultiples thereof. For items utilizing a meter the scale of which is marked in decibels or comparable units, and which do not require a driving oscillator, see meter, audio level. See also meter, modulation and meter, s-units.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5910-01-592-1459
NSN 5950-01-364-9471
NSN 6130-01-025-5546
NSN 7035-01-538-7381
NSN 5935-01-633-1210
NSN 6240-01-267-3573
NSN 6320-01-532-7491
NSN 5935-00-164-6391
NSN 6320-00-433-2773
NSN 2925-01-372-9455
NSN 6135-01-205-5965
NSN 5945-01-314-6344