Digital Sound Level Meter Hand-held Sound dB Meter with Programmable Alarm Value Function, 30-130dB(A) Decibel Sound Noise Meter Tester Measurement with LCD Dispaly, Max/Min/Hold Function

This sound meters are widely used for monitoring noise level in factories, offices, theaters. The voice meter is good to use in all kinds of files, such as neighbor noise complaints, industrial office setting and music recording How to Set the Alarming value? 1. Short press “Hold” button at the power on status 2. Long press “LED” button about 2s to entry the set interface(device default 100dBA alert) 3s “Max/Min” and “Hold” button to decrease or increase the value of alarming 4. Press the “LED/Power” button to save the setting, When current sound value is beyoung the settig, the backlight flashes (no matter what whether you turn on the backlight or not)Function: ✔Disable the automatic off function, sound meter can continuously measure noise value ✔ Current Sound level measurement monitoring ✔ Minimum and Maximum mode: let you quick to know the the highest and lowest sound level detected ✔Automatic update the max and min level when more higher or lower sound appears ✔ Hold the measurement data to avoid miss an important reading. ✔ LCD backlight function (can turn on/ off) ✔ Manual/ auto shut off ✔ Battery power indicator The digital sound noise level meter is equipped with sponge ball to resistant wind, compact and lightweight, easy to carry and operated meters’ Parameters: Measuring range: 30dBA~130dBA Accuracy: ±1.5 dB Frequency range: 31.5Hz~8.5KHz Frequency weighting: A Resolution: 0.1dB Microphone: 1/2 inch electric condenser microphone Power supply: 3*1.5V AAA Batteries are included Working Temperature and Humidity: 0~40°C (32-104℉), 10~80%RH Dimension: 159.5*50*33mm/ 4.79 x 1.5 x 0.99 inchesing List: 1 x Sound level meter 3 X AAA 1.5V batteries 1 x Wind resistant sponge ball 1 x Operation Manual