NTi Audio XL2 Sound Level Meter - Manual (Page 202)

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Further Information
Stack Light with I/O Adapter Box
The XL2 Audio and Acoustic Analyzer con-
trols the external Stack Light via the Digi-
tal I/O Adapter Box. The light has three
lamp sections, colored green, orange and
red.
Applications:
Sound level monitoring at live events or •
clubs
The Stack Light shows orange for sound
levels near the limit and red at levels ex-
ceeding the limits.
Industrial noise pollution monitoring
•
Passed / Failed measurements •
(requires XL2 Spectral Limits Option)
NTi Audio #
Stack Light: 600 000 382
Digital I/O Adapter Box: 600 000 381
Precision Calibrator 94/114 dB, Class 1
The precision calibrator is used to ensure
accurate sound level measurements. It
generates 94 or 114 dBSPL reference
tones @ 1kHz for calibration of 1/2” and
1/4” measurement microphones.
NTi Audio #: 600 000 390
Weather Protection for Microphone
Protect your M2230 microphone from
wind, rain and perching birds with this
professional outdoor microphone protec-
tion kit. Ideal for semi-permanent, unsu-
pervised outdoor installations.
Features
IEC 61672 class 1, ANSI S1.4 Type 1 •
Compliant for 0° and 90° •
sound incidence
Non-corrosive material
•
3/8” Tripod Mount •
Supplied in a protective case •
NTi Audio # 600 040 060