SNDWAY LCD Digital Sound Level Meter Digital Noisemeter Noise Measuring Instrument Decibel Monitoring Tester 30-130dB Data Storage & Alarm Function

The device is for measuring environment noises in fields like noise project, quality control, and healthy and , etc, and also could be used in places and items, such as industries, offices, traffic roads, home, audio, air conditioner, and fridges. Features: Time display and warning function to meet customer needs. Connect with computer via USB data wire, convenient to download data record, take current sample, print charts and data. This DB Meter complies with IEC651 Type 2 and ANSI .4 Type 2, with the measuring scope from 30 to 130dB, Frequency: 31.5Hz~8KHz, A and C Frequency Weighting mode selection and High speed(FAST)/Low speed(SLOW) response rate selection. The Mini Handhold Digital Sound Level Reader is compact, lightweight, and easy to use, it is not only extremely , but also elegant. AC and DC analog signal output. Features with backlight feature, it is appropriate for gathering the sound data at night.  Auto power off function is provided, high-reliability and well-designed high-efficiency power supply circuit make the battery more durable. Specifications: Material: ABS Accuracy: ±1.5dB (based on the standard sound source 94dB @ 1KHz) Frequency Response : 31.5Hz~8.5KHz Measurement : 30~130dB Frequency Weighting Character: A weight and C weight Response Time: FAST and SLOW Microphone: 6mm capacitor microphone Digital Display: 3.5-digit, resolution: 0.1 dB, sampling rate: 2 times/sec Dynamic Scale Display: 30~130dB(1 scale equals 2dB) Overload Display: "UNDER" or "OVER" in display screen Time Display: Yes Warning: Set the warning max value Storage: 1 stock/sec, storing 17h constantly Connecting with Computer: Via USB cable AC Signal Output: 0.65Vrms for each shift and full scale, the output of impedance around 600ohm DC Signal Output: 10mV/dB, the output of impedance around 100ohm Power Supply: 3 * 1.5V AAA Battery (NOT included) Operating Temperature & Humidity: 0～40℃ / 32～104℉ (10%～80%RH) Storage Temperature & Humidity: -10～60℃ / 14～140℉ (10%～70%RH) Item Size: Approx. 215 * 64 * 27mm / 8.46 * 2.52 * 1.07in Item Weight: Approx. 178g / 6.29oz Package Weight: Approx. 374g / 13.21oz Package Size: Approx. 23.3 * 18 * 5.5cm / 9.18 * 7.09 * 2.17in Package List: 1 * Sound Level Meter 1 * USB Cable 1 * 1 * User Manual (English)

Time display and warning function to meet customer needs.Connect with computer via USB data wire, convenient to download data record, take current sample, print charts and data.This DB Meter complies with IEC651 Type 2 and ANSI .4 Type 2, with the measuring scope from 30 to 130dB, Frequency: 31.5Hz~8KHz, A and C Frequency Weighting mode selection and High speed(FAST)/Low speed(SLOW) response rate selection.The Mini Handhold Digital Sound Level Reader is compact, light