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 5910-01-019-9683
NSN 5999-00-554-9966
NSN 6685-01-483-1373
NSN 5855-00-885-8452
NSN 5895-01-238-6225
NSN 6685-01-346-5838
NSN 5999-01-082-7621
NSN 6620-00-402-6587
NSN 5975-01-396-7329
NSN 5985-01-374-8526
NSN 5999-00-311-4347
NSN 5965-00-518-0958