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 6130-01-097-9234
NSN 7035-01-408-6802
NSN 5935-00-287-9898
NSN 6650-01-207-0829
NSN 6130-01-435-2800
NSN 6145-00-553-8196
NSN 5915-00-112-3504
NSN 6685-01-424-1542
NSN 6130-01-659-0118
NSN 6645-00-372-2618
NSN 5960-01-457-0157
NSN 6645-01-521-3180