Spartan 821/721 Manual 1
Chapter 1 Product Overview
The Spartan 821 or 721 from Larson Davis is a precision sound level meter that is
compatible with a variety of accessories, which makes it an ideal hand-held instrument for
a wide range of acoustic tests. Additionally, the touchscreen interface makes this SLM as
easy to use as your smart phone for acoustic applications, such as:
• Industrial Hygiene studies
• Product noise evaluation
• Production line acoustic testing
• Site assessment
• Mining and industrial operations and noise exposure
The instrument, with noted accessories, performs the following operations and more:
• Dosimetry with customizable measurement setup
• Displays “Overall” measurement metrics for the current measurement
• Attended or unattended noise monitoring for short or long term
• Charging via AC or DC external power with the internal battery charger
• 1/1 Octave and 1/3 Octave filter analysis (on enabled units)
In this module:
1.1 Hardware Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-2
1.2 Package Contents - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-3
1.3 Available Options and Accessories - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-5
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