SNDWAY LCD Digital Sound Level Meter Digital Noisemeter Noise Volume 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 prevention and cure, 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 S1.4 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 wear-resisting, 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 plastic
Accuracy: ±1.5dB (based on the standard sound source 94dB @ 1KHz)
Frequency Response Range: 31.5Hz~8.5KHz
Measurement Range: 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 * CD
1 * User Manual (English)