SNDWAY High Accuracy LCD Digital Noisemeter Sound Level Meter 30-130dB Noise Volume Measuring Instrument Decibel Monitoring Tester with A and C Frequency Weighting for Sound Level Testing

Want to test the sound level? Need to know the noise level? Try our digital sound level meter. It's featured with wide measuring range (30-130dB). It's portable and easy to use as a handy instrument for sound quality control in factory, office, home, school and construction site.

Features:
This Audio DB Meter complies with IEC651 Type 2 and ANSI S1.4 Type 2, with the measuring scope from 30 to 130 dB and automatic shifting function, A and C Frequency Weighting mode selection and High speed(FAST)/Low speed(SLOW) response rate selection.
The mini handheld digital sound level reader is compact, lightweight, and easy to use, it is not only extremely wear-resisting, but also elegant.
The output of AC and DC analog signal can be connected to frequency analyzer or X-Y axles recorder for statistic analysis of data.
Features with backlight feature, it is appropriate for gathering the sound data at night. And auto power off function is provided, high-reliability and well-designed high-efficiency power supply circuit make the battery more durable.
Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.

Specifications:
Material: ABS plastic
Accuracy: ±1.5 dB (based on the standard sound source, 94dB @ 1KHz)
Frequency Response Range: 31.5Hz~8KHz
Dynamic State Range: 50dB
Measurement Range: 30~130dBA, 35~130dBC
Frequency Weighting Character: A weight and C weight
Dynamic Characteristic of Sound Pressure: FAST 125ms, SLOW 1sec
Microphone: 6mm capacitor microphone
Digital Display: 4-digit, resolution: 0.1 dB, sampling rate: 2 times/sec
Dynamic Scale Display: 1 scale equals 2dB or 1dB, sampling frequency 2 times/sec
Dynamic Scale Shift: 30~130dB, 30~80dB, 50~100dB, 80~130dB
Overload Display: "UNDER" or "OVER" in display screen
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. 336g / 11.87oz
Package Size: Approx. 23.3 * 18 * 5.5cm / 9.18 * 7.09 * 2.17in

Package List:
1 * Sound Level Meter
1 * User Manual (English)