Read both a and c freq. Weightings meets iec 651 type 2 standards; 3 measurings ranges, low-30 to 80db; medium, 50 to 100db; high, 80 to 130db; max hold functiuon stores highest reading; utilizes 0.52in mm condenser microphone ac and dc outputs are standard through a phone output terminal for connection to an analyzer or recorder
No other part numbers with same form, fit, and function found.
An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6650-01-018-5153
NSN 6150-00-826-9502
NSN 5835-01-163-4215
NSN 6645-01-244-4881
NSN 6645-00-411-3733
NSN 4140-00-846-4786
NSN 2925-01-014-8007
NSN 6105-01-420-1019
NSN 5925-01-197-4693
NSN 6145-01-108-6401
NSN 5999-01-354-9165
NSN 5895-01-501-5901