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30 - 130 dB USB Digital Decibel Sound Level Meter

30 - 130 dB USB Digital Decibel Sound Level Meter
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Item #:001-6423
30 - 130 dB USB Digital Decibel Sound Level Meter30 - 130 dB USB Digital Decibel Sound Level Meter

This Multi-functional Digital Sound/Noise Level Meter w/ USB Interface is designed to meet the measurement requirement of noise engineers, noise quality control and health prevention in various environments. Such as noise measurement in factory, office, traffic road, family and all other noise measurement applications. You can record the sound and send the synchronized data/time easily through USB to your computer. Furthermore, with the helpful software included in the item, you can find out the result of the research in minutes from the conspicuous information form. Multi Value added tripod fixed screw aperture for support setting can facilitate long time recording. Features: Designed according to following standards:a. International Electrician Committee Standard: IEC PUB 651 TYPE 2 b. US National Standard: ANSI S1.4 TYPE 2 Accuracy: up to +/- 1.5dB Windscreen for Filter-out Unwanted Signals Wild Measurement Range: 30-130dB. 5 Measurement Levels for More Precise Result Fast (High Speed) Rate to Pick Up the Current Reading Slow (Low Speed) Rate to Pick Up the Reading of Average within 1 Second A-Weighting for General Sound Level Measurements C-Weighting for Checking the Low-frequency Content of Sounds Maximum Value Holding Function to Lock up the Maximum Reading Auto Power Off Design for Energy Saving Calendar Function to Record the Reading Date and Time High 4700 Data Record Capability for Long Time Recording USB Interface Is Configured to Connect to The Computer for Statistic, Printing And Analyzing by The USB Cable And The Software Functions of Data Record Downloading, Real Time Data Sampling Analysis, and Printing Graph & Data etc. Both AC and DC Analogy Signal Output are Available connecting to Frequency Analyzer or X-Y Axis Recorder for Data Statistical Analysis Requries 4x 1.5V AA Battery (Not included)


Calibration Sound Source


Measurement Range 30-130dBA/ 35-130dBC

Accuracy +/-1.5dB(reference sound pressure standard,94dB@1KHz)

Frequency Response 31.5Hz-8.5KHz

Resolution 0.1dB

Measuring Level 30-80, 50-100, 60-110, 80-130, 30-130

Dynamic Range 50dB/ 100dB

Overload Indication OVER/ UNDER

Frequency Weighting Characteristic A and C

Digital Display 4 digits

Analogy Bar Graph 1dB/1 bar graph

Sampling Rate 20 times/second

AC Signal Output 4Vrms/ full bar graph, output impedance is about 600 ohm

PWM Signal Output Duty cycle=0.01 x db value/3.3 x 100%

Dynamic Characteristic FAST (high speed)/SLOW (low speed)

Calendar Accuracy +/-30seconds/day

Data Storage Quantity 4700

The Maximum Value Holding MAX

Auto Power Off Yes (after no operation for 10 minutes)

Microphone 1/2" polarization capacitance microphone

Operating Voltage 6V

External Dimensions 67 x 30 x 183 (mm)

Net Weight 147.5g (not includes battery)

Battery Life 20Hours (continuous use)

Package Includes: 1x Sound Level Meter 1x Sponge Ball 1x Computer Software Disc 1x USB Connection Cable 1x AC output wire 1x Operation Manual 1x Black Carrying Case 4x 1.5V AA Battery Not Included
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