User manual

249
Further Information
Limit Light
The XL2 Audio and Acoustic Analyzer in
combination with this Limit Light offers
a turnkey solution for live sound monitor-
ing. The sound level limits are set in the
XL2. The Limit Light provides a pre-warn-
ing with an orange light and indicates that
levels have been exceeded with a red
light.
NTi Audio #: 600 000 600
Stack Light
The XL2 Audio and Acoustic Analyzer in
combination with this Stack Light pro-
vides a turnkey solution for noise level
monitoring or passed / failed measure-
ments where a prominent visual indica-
tion is required. The Stack Light connects
directly to the XL2 Analyzer and shows
the actual measurement result with three
different colors; green, orange and red.
NTi Audio #: 600 000 610
Class 1 Sound Calibrator
The battery-operated Class 1 Sound
Calibrator is classified for the calibration
of class 1 measurement microphones,
sound level meters and other acoustic
measurement equipment. This precision
microphone calibrator delivers 94 or 114
dB at a frequency of 1 kHz.
NTi Audio #: 600 000 388
The optional 1/4” adapter ADP-1/4-P is
required to fit 1/4” measurement micro-
phones.
NTi Audio #: 600 000 391
Class 2 Sound Calibrator
The battery-operated Class 2 Sound
Calibrator is classified for the calibration
of class 2 measurement microphones,
sound level meters and other acoustic
measurement equipment. This micro-
phone calibrator delivers 114 dB at a fre-
quency of 1 kHz.
NTi Audio #: 600 000 394