CAL150
Precision Acoustic Calibrator
Manual
I150.01 Rev E
Larson Davis
CAL150
Manual
Copyright
Copyright 2006-2015 by PCB Piezotronics, Inc. This manual is copyrighted, with all rights reserved.
The manual may not be copied in whole or in part for any use without prior written consent of PCB
Piezotronics, Inc.
Trademarks
PCB® is a registered trademark of PCB, Inc.
Disclaimer
The following paragraph does not apply in any state or country where such statements are not
agreeable with local law:
Even though PCB Piezotronics, Inc. has reviewed its documentation, PCB Piezotronics, Inc. makes no
warranty or representation, either expressed or implied, with respect to this instrument and
documentation, its quality, performance, merchantability, or fitness for a particular purpose. This
documentation is subject to change without notice, and should not be construed as a commitm ent or
representation by PCB Piezotronics, Inc.
This publication may contain inaccuracies or typographical errors. PCB Piezotronics, Inc. will
periodically update the material for inclusion in new editions. Changes and improvements to the
information described in this manual may be made at any time.
Recycling
PCB Piezotronics, Inc. is an environmentally friendly organization and encourages our customers to
be environmentally conscious. When this product reaches its end of life, please recycle the product
through a local recycling center or return the product to:
PCB Piezotronics, Inc.
Attn: Recycling Coordinator
1681 West 820 North
Provo, Utah, USA 84601-1341
where it will be accepted for disposal
Product Warranty
For warranty information, refer to our Terms and Conditions of Sale on our website at
www.larsondavis.com/TermsConditions.aspx.
CAL150 Technical Reference Manual Introduction 1-1
CHAPTER
1
Introduction
This chapter describes the features and accessories of the
Larson Davis CAL150 Sound Level Calibrator.
Features
The Larson Davis CAL150 Sound Level Calibrator is a
battery-operated precision microphone calibrator used for
the calibration of sound level meters and other sound
measurement equipment. It can provide an output level of
either 94.0 or 114.0 dB (switch-selectable) at a frequency of
1 kHz. It has been designed for both field and laboratory use
and the accuracy has been calibrated to a reference traceable
to the National Institute of Standards and Technology.
The Larson Davis CAL150 Sound Level Calibrator has the
following features:
• Class 2 sound level calibrator
• Dual output levels: 94.0 dB and 114.0 dB (user
selectable)
• Output frequency 1 kHz
• Internal batteries for portable operation
• Opening for use with 1/2” microphones
Accessories
• Adaptor ADP031 included for use with 3/8”
microphones
• Adaptor ADP024 available for use with 1/4” microphone
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