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Decibel Meter (Range: 30 to 130db) Type 1 Sound Level Meter | db Meter | Digital Class 1 Sound Level Meter | Certified Noise Meter for Auditoriums, Vehicle Noise Testing, Theatres | Model: SL-4001

Decibel Meter (Range: 30 to 130db) Type Class 1 Sound Level Meter | Digital Class 1 Sound Level Meter | Certified Noise Meter for Auditoriums, Vehicle Noise Testing, Theatres | Model: SL-4001

Class 2 Sound Level Meter(Range: 30 to 130dB) | Professional Decibel Meter | Decibel Meter Sound Level Reader | Noise Level Meter for Classroom Auditoriums | Model: SL-4030

Noise Level Meter (Range: 30 to 130 dB) Class 1 Sound Level Meter | Professional db Meter | Industrial Decibel Meter for Classroom Auditoriums, Vehicle Noise Testing | Model: SL-4001

Class 1 Sound Level Meter (Range: 30 to 130 dB) | Noise Level Meter for Classroom | Professional Decibel Meter | Industrial Decibel Meter for Classroom Auditoriums | Model: SL-4023SD

Class 1 Sound Level Meter/Professional Decibel Meter/Noise Level Meter for Classroom Auditoriums, Vehicle Noise Testing, Theatres Along with Factory Calibration Certificate |Model: SL-4022

Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Tester with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange

Sound Level Meter Class-1 (Range: 30 to 130 dB) for Industries, Vehicle Noise, Environmental Noise Along with Calibration Certificate by Lutron SL-4036SD