Item Type: Sound Level Meter <br>Material: ABS <br>Battery: 3 x 1.5V AAA battery(not included) <br>Basic Parameters: <br>Measuring Range: 30~130dBA <br>Frequency Response: 30Hz~8KHz <br>Dynamic Range: 50dB <br>Temperature Range: -20.0℃~60.0℃ <br>Humidity Range: 0.0% to 99.9%RH <br>Application: Widely used in noise engineering, quality control, health prevention and other environmental noise measurement, such as factories, traffic roads, home audio and other construction sites<br>1、3 IN 1 VERSATILITY: The HT602A sound level meter is designed to meet the needs of most consumers, with the features that most users need, eliminating unnecessary features. With sound level, temperature and humidity three in one measurement function, can meet the needs of most consumers <br>2、LARGE SCREEN AND BACKLIGHT: The digital sound level meter has a large, clear LCD backlight display that clearly display the measurement results. Turn on the backlight to easily take readings at night, reducing damage to your eyes <br>3、FAST SLOW AND A WEIGHTED MEASUREMENTS: The sound level meter supports Fast mode response within 125ms; Slow mode response in 1 second, +/? accuracy for 1.5dB, resolution is 0.1dB. With frequencies ranging from 30Hz to 8KHz(frequencies cannot be displayed digitally on the screen), A weighted simulates the frequency characteristics of low strength human ear noise and is suitable for the detection of ambient noise <br>4、CONVENIENT AND LIGHT: Decibel sound level meter can be used in many environments, but also suitable for noise engineering, product quality control, health prevention, treatment, etc. <br>5、WIDE APPLICATION: This audio noise measurement device is an excellent tool for checking, monitoring or controlling and testing ambient sound levels. Widely used in individuals, families, enterprises, learning, industry and so on<p>1 x Sound Level Meter</p><p>1 x User Manual</p><p>1 x Storage Bag</p>