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 6240-00-536-1867
NSN 5960-00-156-5603
NSN 5996-01-557-5337
NSN 6320-01-247-0898
NSN 6650-00-764-4136
NSN 5996-01-554-9882
NSN 6645-01-631-9142
NSN 5975-01-208-4842
NSN 4140-01-259-4149
NSN 5960-00-272-9230
NSN 6105-00-027-9061
NSN 5835-01-589-4735