Manual

211
Specifications
Polarity Checks polarity of speakers and line signals
Positive/Negative detection of wideband and
individual 1/1 octave bands through internal micro-
phone or XLR/RCA connector
Test signal: NTi Audio polarity test signal gener-
ated by the MR-PRO, MR2 or the included NTi
Audio Test CD
Noise
Curves
Noise Rating NR in accordance with ISO 1996
Noise Criteria NC
in accordance with ANSI S12.2-2008 and -1995
Room Noise Criteria RNC
in accordance with ANSI S12.2-2008
Room Criteria RC
in accordance with ANSI S12.2-1995
Preferred Noise Criteria
in accordance with ASA 1971
Application range of measurement microphones:
M2230: down to NC15 »
M2211: down to NC15 »
M4260: down to NC27 »
1/12 Octave
Analysis
(optional)
Actual level, L
eq
, L
min
, L
max
Selectable 1/1, 1/3, 1/6 and 1/12 octave spectral
resolution
Measurement Units: Volt, dBu, dBV and dBSPL
Capturing of multiple readings into the internal
memory
Comparing measurement results against captures
with relative or absolute curve display
Comprehensive tolerance handling
Creating tolerance masks based on captures for
passed/failed measurements
Cinema
Meter
(optional)
Measurements in 1/3 octave resolution according
SMPTE ST 202:2010 and SMPTE RP 200:2012
An interactive assistant guides the user through
dedicated measurement procedures.
STIPA
Speech
Intelligibility
(optional)
Single value STI and CIS test result in accordance
with IEC 60268-16, ISO 7240-16,
ISO 7240-19, DIN VDE 0828-1, DIN VDE 0833-4
Ambient noise correction
Automated averaging of measurements
Modulation indices and individual band level re-
sults with error indicator
Test signal: NTi Audio STIPA signal generated by
the MR-PRO, NTi Audio TalkBox or the STIPA Test
CD