Special Features:

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

Properties:

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.