BRUEL & KJAER 2210 Instruction Manual

Instruction Manual 2210
Impulse Precision Sound Level Meter Type 2210
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033-0245
204624
This compact battery-operated instrument
with digital read-out of sound level con-
forms to the Consolidated Revision of IEC
1 23 and 1 79 and fulfills the requirements
of the proposed Type 0 Laboratory Refer-
ence Standard. The detector has the stan-
dardized Impulse, Fast, and Slow modes
and a Peak mode (rise time: 50 ps). It has
automatic gain control giving a large dy-
namic range of 90 dB(A) for direct measure-
ments, tape recording / reproduction tech-
nique using FM Tape Recorder Type 7003 .
Manual gain control is also provided. The
measuring range is covered in three ranges
shifted 20 dB each . The SPL is shown on a
1 / 3" 4-digit display updated at 0,1 or 1
second intervals or manually . The manual
updating also provides a max. hold facility .
The frequency range is 20Hz to 20kHz and
the A, B, C, and D weighting networks are
built in.
External filters such as 1613 and 161 6
can be connected for frequency analysis
(also of weighted signals). Plug-in input
stage allows long cables between instru-
ment and microphone . The SLM accepts
1 / 2" microphones directly, other micro-
phones via adaptors. AC, DC and digital out-
put facilities to peripheral equipment.
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