User manual

266
Specifications
Audio Analyzer
Conforms
with Stan-
dards
IEC 61672, IEC 60651, IEC 60804 •
DIN EN 60065, VDE 0860, IEC 468-4 •
Level RMS True RMS detection in V, dBu, dBV, dBSPL •
Power measurement in Watt W or dBm •
with flexible load setting from 1.0 to 9999 Ohm
Range XLR/RCA input: 2 µV - 25 V (-112 dBu to •
+30 dBu)
Accuracy: ± 0.5 % @ 1 kHz, •
Flatness: ± 0.1 dB @ 12 Hz to 21.3 kHz •
Bandwidth (-3 dB): 5 Hz to 23.6 kHz •
Resolution: 3 digits (dB scale),5 digits (linear scale) •
or 6 digits (x1 scale)
Real-Time
Analyzer
RTA
Following measurement functions offer audio spec-
trum in Volt, dBu and dBV
Sound Level Meter •
FFT •
1/12 Octave (optional) •
Frequency Range: 9 Hz to 21.3 kHz •
Resolution: 6 digits •
Accuracy: < ± 0.003% •
THD+N
(Total Har-
monic
Distortion +
Noise)
Range: -100 dB to 0 dB (0.001% to 100%) •
Minimum level: > -90 dBu •
Fundamental frequency range: 10 Hz to 21.3 kHz •
Measurement bandwidth: 2 Hz to 23.6 kHz •
Resolution: 3 digits (dB scale) or 4 digits (linear •
scale)
Residual THD+N @ XLR/RCA input: < 2 µV •
Scope Auto ranging, auto scaling
Filter Frequency weighting: A, C, Z •
Highpass 100Hz, 400 Hz, 19 kHz, •
Bandpass 22.4 Hz - 22.4 kHz in accordance with •
IEC468-4
Remote
Measure-
ment
(optional)
Querying measurement data online via the USB
interface of the following functions:
Sound level meter and spectrum analyzer •
SLMeter/RTA
FFT analyzer
•
RT60 reverberation time •
Audio analyzer RMS/THD+N •
High resolution spectral analyzer 1/12 Oct + Tol •
Calibration
Free-field
Correction
NTi Audio Class 1 Sound Calibrator •
M2230: -0.1 dB »
M2211: -0.1 dB »
M2215: -0.1 dB »
NTi Audio Class 1 Sound Calibrator with •
1/4” Calibration Adapter, type ADP 1/4-P
M4260: +0.1 dB »
M4261: +0.2 dB »
Wind Screen
Correction
50 mm Wind Screen: +0,12 dB •
90 mm Wind Screen: +0,19 dB •
WP30 Wind Screen 90 mm: +0,19 dB •
Calibration Recommended calibration interval: one year •
Microphone calibration with external calibrator •
supported
Optional calibration certificate for new instru- •
ments available