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Model: 831

IEC 61672-1:2002, ANSI S1.4, ANSI S1.43 Class 1 integrating sound level meter.
Voice annotation.
ANY LEVEL display.
User programmable run modes.
Six user selectable statistics (Ln).
Threshold exceedance data.
Community noise calculations (Lden, CNEL).
Back Erase functionality.
Normalized spectrum.
User-selectable screen layout and lockable setup protection.
Remote access and field upgradable.
Wide variety of non-proprietary powering options including–4XAA internal batteries, AC, USB and external batteries.

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Model: SoundTrack LxT

Simple opreation-with just one hand.
30 hours operation using AA lithium batteries.
Large, bright, high-contrast LCD screen.
1/1 and 1/3 octave digital filters.
Extremely rugged-compact and lightweight.
Available in Class 1 or Class 2.
Multi-language for global compatibility.

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