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upgrade model 831 sound level meter with real-time 1/1 & 1/3 octave filter set.

OPT 831 1/1 & 1/3 OCTAVE FILTER SET UPG

Model 831-OB3

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Upgrade Model 831 sound level meter with Real-time 1/1 & 1/3 octave filter set.

For more information see http://www.larsondavis.com/products/soundlevelmeters/model831

    Specification Notes

    English: SI:

    * All specifications are at room temperature unless otherwise specified.

    Product Documents

    Datasheet

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    Manual

    Product Manual for 831-OB3