AR824 Digital Sound Level Meter - Professional Noise Level Tester with LCD Display | Accurate Decibel Measurement for Home, Workplace & Industrial Use | Perfect for OSHA Compliance, Construction Sites & Soundproofing Projects

Specification: Brand: Smart Sensor Model: Ar824 Material: Abs Plastic Digit &Amp; Resolution 5 Digits &Amp; 0.1Db Display: 0.5 Secretary Measuring Range: 30~130Dba 35~135Dbc Accuracy ±1.5Db Frequency Range: 31.5Hz To 8.5K Hz Linearity Range: 50Db Frequency Weighting: &Nbsp;A, C Microphone 1/2 Inch Electret Condenser Microphone Standard According To Iec651 Type 2 &Amp; Ansis1.4 Type 2 Time Weighting Fast / Slow Bar Graph:50 Db Scale At 1 Db Step Fro Monitoring Current Sound Pressure Level Display Period: 50Ms Level Ranges: 30-80Db; 50-100Db; 60-110 Db; 80-130Db Over Indicate Over Range:Under Indicate Less Than Lower Limit For The Range &Nbsp; Ac Output: 0.707 Vrms At Fs Output Impedance Approx 600Ω Dc Output: 10Mv / Db Output Impedance Approx 100Ω Max: Maximum Hold / Auto Power Off &Nbsp; &Nbsp; Yes External Power Supply &Nbsp;Yes Level Range Bar Graph Yes Range Selection 4 Modes Range Over Indication / Battery Indication Yes Backlight Display / &Nbsp;Max &Amp; Min Hold Function &Nbsp;Yes Sampling Frequency2 Times / Sec Self Calibration Time:10 Secs(Every Turn On) Operating Condition &Nbsp; &Nbsp; &Nbsp;Temperature :0-40℃ ; Humidity: 10% To 80%Rh Storage Conditiontemperature: 10 To 60℃ ; Humidity: 10% To 70% Rh Power &Nbsp;4 * Aa1.5 Alkaline Cells ( Battery Not Include)Weight: Approx. 617G / 21.8Oz Size:Approx. 224 * 66 * 33Mm / 8.8 * 2.6 * 1.3In Package List: 1 * Sound Level Meter 1 * Dc Cable 1 * Plastic Box 1 * User Manual

This Sound Level Has Instantaneous Sound Measure Function

This Sound Level Has Instantaneous Sound Measure Function

With Two Equivalent Weighted Sound Pressure Levels, A And C

Suitable For Measuring Noise Of Industrial, Environmental And Aircraft.

The Measurement Range Is 30-130Db