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 6620-01-357-0757
NSN 2925-00-922-8953
NSN 5930-01-552-4981
NSN 5925-01-614-4636
NSN 6135-01-487-6275
NSN 5945-00-177-4676
NSN 5835-00-922-1263
NSN 6145-00-786-7980
NSN 6620-01-070-9042
NSN 5855-00-147-2508
NSN 6620-00-542-1579
NSN 5915-01-598-9816