This noise meter is designed to test sound level in various environment. It is widely used in noise control engineering, quality control, health and treatment, home environment monitoring, etc.

Features:
Mini digital sound level meter with stable and reliable performance.
Wide measurement range from 30dB to 130dBA.
Fast and slow sampling rate for choice: 125ms or 1s.
Data hold function, maximum and minimum value measurement.
LCD display with backlight, convenient to use at night.
Low batt-ery indication, automatic & manual power off function.
Compact and light, convenient to hold and carry.
Equipped with sponge ball for sensor protection.

NOTE:
When measuring under MAX mode, the meter will only display the value greater than the current value; when measuring under MIN mode it will only display the value less than the current value.

Specifications:
Brand Name: SMART SENSOR
Color: White
Material: ABS Plastic
Display: 5 digits LCD, Max Display 99999
Measuring Range: 30～130dBA
Resolution: 0.1dB
Accuracy: 1.5dB (under reference conditions)
Frequency Range: 31.5Hz to 8.5Hz
Frequency Weighting: A Weighted
Over Range: LCD Show Over
Time Weighting: Fast
Sampling Rate: 2times/s
Operating Temperature: 0～40℃ (10%～80%RH)
Storage Temperature: -10～60℃ (10%～70%RH)
Power Supply: 3 * 1.5V AAA Batteries (Not Included)
Item Size: 15 * 5 * 2.7cm / 5.91 * 1.97 * 1.06in
Item Weight: 72.6g / 2.56oz
Package Size: 22 * 15 * 3.2cm / 9.25 * 4.53 * 1.26in
Package Weight: 109.2g / 3.85oz

Package List:
1 * Digital Sound Level Meter
1 * User Manual