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INTRODUCTION
This Sper Scientific Graphic Display Sound Level
Meter (Model 850015) provides fast and accurate
measurement in a wide range of environments.
Applications include safety engineering, health
environments, industrial settings, and office
engineering.
The meter features both a numerical digital display
and 30-segment bar graph for accuracy. AC
and DC signal outputs are available through the
standard 3.5 mm coaxial socket, allowing use of a
frequency analyzer, level recorder, FFT analyzer,
graphic recorder, and more.
Meets IEC 61672:2013 Class 2 frequency and
time weighting specifications.