A-8 Model 831 Specifications Model 831 Manual
General Specifications
Reference level 114.0 dB SPL
Reference level range Single large Range for SLM
Normal for Octave Band Analysis option
Reference frequency 1000 Hz
Reference direction 0° is perpendicular to the microphone
diaphragm
Influence of Temperature ± 0.5 dB error between
-10° C and 50° C
Storage temperature -20° C to 70° C
Influence of Humidity ± 0.5 dB error from 30% and 90%
relative humidity at 40° C
Equivalent microphone
impedance
12 pF for Larson Davis 1/2” microphone
Range level error (OBA option)
±0.1 dB relative to the reference range
Digital Display Update Rate Once per second. First display indication
is available 0.25 seconds after initiation of
a measurement
Filename Requirements Up to 12 characters long using letters "A"
to "Z" and "a" to "z"; numbers "0" to "9";
symbols "." period, "-" dash and "_"
underscore.
Effect of an extension cable
(EXCXXX) on calibration
None (up to 200 feet)
Electrostatic Discharges The instrument is not adversely affected
by electrostatic discharges
Table A-8 General Specifications
To Next Page
Loading...
