Digital Sound Level Meter 30-130dB LCD Noise Volume Measuring Instrument Decibel Monitoring Tester for Accurate Sound Measurement

Monitor and control sound levels accurately and effortlessly with this advanced Digital Sound Level Meter, featuring a large 2.7-inch LCD display for easy reading and user-friendly operation. Designed for precision, it offers a wide measurement range from 30dB to 130dB with an impressive resolution of 0.1dB and an accuracy of ±1.5dB, making it suitable for a variety of professional and personal applications. Key Features: · Large 2.7-Inch LCD Display: Provides clear and convenient readings, enabling easy monitoring of noise levels in real time. · Wide Measurement Range: Measures sound levels from 30dB to 130dB with frequency response spanning 31.5Hz to 8kHz, covering common environmental noise scenarios. · Dual Frequency Weighting Modes: Includes both A-weighted and C-weighted measurements for versatile sound pressure level analysis tailored to different regulatory and environmental standards. · Fast and Slow Time Weighting: Offers dynamic characteristic modes to accurately capture fluctuating sounds or steady noise environments. · Maximum and Minimum Value Measurement: Records peak and lowest sound levels, with a hold function that captures the highest reading when it exceeds the set alarm threshold. · Alarm Function: Adjustable alarm level between 90dB and 130dB alerts users when noise exceeds safe or desired limits, enhancing safety and compliance monitoring. · AC and DC Signal Outputs: Compatible with frequency analyzers, level recorders, FFT analyzers, and graphic recorders, enabling integration with professional sound analysis equipment. · Low Battery Indicator and Power Options: Features automatic and manual power-off functions to conserve battery life; powered by a 9V battery or optional DC adapter (not included). · Portable and Lightweight Design: Compact ABS construction weighing only 200g (7.06oz) with included sponge windscreen and storage pouch for convenient transport and protection. Specifications: · Material: Durable ABS plastic · Accuracy: ±1.5dB at calibration point (94dB at 1kHz) · Frequency Response: 31.5Hz to 8.0kHz · Dynamic Range: 50dB · Measurement Range: 30~130dBA and 35~130dBC · Frequency Weighting: A and C weighting · Digital Display: 4-digit with 0.1dB resolution · Sampling Speed: 2 samples per second · Analog Bar Graph: 1dB increments, 2 samples per second · Overload Alert: Displays OVER or UNDER for signal limits · AC Signal Output: 0.707V rms at full scale, approx. 600 ohms output impedance · DC Signal Output: 10mV/dB, approx. 100 ohms output impedance · Time Weighting: Fast and Slow modes · Microphone: 1/2 inch electret condenser microphone (ECM) · Operating Temperature: 0 to 40℃, 10% to 80% relative humidity · Storage Temperature: 10 to 60℃, 10% to 70% relative humidity · Power Supply: 1 x 9V 6F22 battery or 9V 100mA DC adapter (adapter not included) · LCD Size: 52 x 43mm (2.05 x 2.01 inches) · Item Dimensions: 221 x 66 x 32.5mm (8.70 x 2.60 x 1.28 inches) · Item Weight: 200g (7.06oz) · Package Dimensions: 24.5 x 9.2 x 5.2cm (9.65 x 3.62 x 2.05in) · Package Weight: 261g (9.23oz) Package Includes: · 1 x Digital Sound Level Meter · 1 x Sponge Windscreen · 1 x Storage Pouch This versatile sound level meter is perfect for personal use, home environments, industrial noise monitoring, educational purposes, and any scenario requiring precise, reliable sound measurement. Its combination of high accuracy, ease of use, and comprehensive features makes it an essential tool for sound level monitoring and noise control.