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:
(1)Measuring Range: 30～130dBA.
(2)Frequency Weighting: A Weighting.
(3)Maximum and Minimum value hold function.
(4)Data hold function.
(5)Red back light alarm and sound alarm.
(6)Auto or manual power off fuction.
(7)Temperature meansurement fuction
(8)Temperature Unit(℃/℉)selection fuction.

Specifications:
Color: Black
Material: ABS
Digital display: 4 digits
Measuring Range: 30～130dBA
Resolution: 0.1dB
Accuracy: ±1.5dB (under reference conditions)
Frequency Range: 31.5Hz to 8.5Hz
Frequency Weighting: A Weighting
Data hold: Maximum and Minimum hold
Sampling Rate: 2times/s
Temperature Measuring Range:-10°C-50°C/14°F-122°F
Accuracy: ±2°C
Resolution: 0.1°C
Power Supply: 3 * AAA Batteries (Not Included)
Operating Temperature: 0～40℃ (10%～80%RH)
Storage Temperature: -10～60℃ (10%～70%RH)
Item weight: 84g/0.19lb
Item size: 15*5*2.8cm/5.91*1.97*1.1in
Package weight: 157g/0.35lb
Package size: 19.5 * 7.5 * 3.5/7.68*2.95*1.38in

Alarm setup range:Low alarm is from 30dB-99.9dB, if the measured value higher than it, red color alarm back light will light up to alert you it is over the low alarm value.High alarm range is from 100-130dB, if the measured value higher than it, red color alarm back light will light up together with voice alarm sound to alert you it is over the high alarm value.

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