NTi Audio XL2 Sound Level Meter - Manual (Page 207)

207
Specifications
18. Technical Data XL2
Sound Level Meter
Product Con-
figurations
Class 1
Type 1
XL2-TA, M2230 microphone and •
ASD Cable forms an integrating sound level meter
with type approval
Class 1 in accordance with IEC 61672 »
Type 1 in accordance with ANSI S1.4 »
XL2 with M2230 microphone •
Class 1 in accordance with IEC 61672 »
Type 1 in accordance with ANSI S1.4 »
XL2 with M2211, M2215 microphone •
Class 1 frequency response in accordance with »
IEC 61672
Type 1 frequency response in accordance with »
ANSI S1.4
These specifications apply for operation with the
microphone detached using the ASD cable. This
prevents possible acoustic reflections from the XL2
housing and ensures a high measurement accuracy
in accordance with the standards IEC 61672 and
ANSI S1.4.
Product Con-
figurations
Class 2
Type 2
XL2 with M4260 microphone •
Class 2 in accordance with IEC 61672 »
Type 2 in accordance with ANSI S1.4 »
Conforms
with Stan-
dards
IEC 61672, IEC 60651, IEC 60804, •
IEC 61260 class 0, ISO 2969
China: GB/T 3785:2010, GB/T 3241, GB 3096-2008, •
GB 50526, GB-T_4959-1995
Germany: DIN 15905-5, DIN 45645-2, optional: DIN •
45645-1
Japan: JIS C1509-1:2005, JIS C 1513 class 1, JIS C •
1514 class 0
Switzerland: SLV •
US: ANSI S1.4, ANSI S1.43, ANSI S1.11-2004 class 1 •
International IEC standards are adopted as European •
standards and the letters IEC are replaced by EN.
XL2 conforms to these EN standards.
Details Measurement bandwidth (-3dB): 4.4 Hz - 23.6 kHz •
Level resolution: 0.1 dB •
Internal noise: 1.3 µV A-Weighted •
Weighting Frequency weighting: A, C, Z (simultaneous) •
Time weighting: Fast, Slow, optional: Impulse •
(simultaneous)
Measure-
ment
Ranges with
different
microphones
XL2+M2230: 17 dB(A) - 138 dB •
XL2+M2215: 25 dB(A) - 153 dB •
XL2+M2211: 21 dB(A) - 144 dB •
XL2+M4260: 29 dB(A) - 144 dB •
Linear Mea-
surement
Range acc.
IEC61672 /
ANSI S1.4
XL2+M2230: 24 dB(A) - 138 dB •
27 dB(C) - 138 dB
XL2+M2215: 33 dB(A) - 153 dB •
XL2+M2211: 29 dB(A) - 144 dB •
XL2+M4260: 35 dB(A) - 144 dB •
@ typical microphone sensitivity