\n \nFlus Digital Mini Sound Level Meter MT-911A with Temperature Meter. This unit utilizes a condenser microphone as the sensor, a high-end MCU for calculation, and features high accuracy and fast response. This Sound Level Meter is designed to meet the measurement requirements of safety Engineers, Health, and Industrial safety offices. And sound quality control in various environments, such as factories, schools, and construction sites etc. \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n

Applied Standard	IEC61672-1 CLASS2
Measuring level range	35dB～135dB
Dynamic range	50dB
Frequency range	31.5Hz～8KHz
Accuracy	±2.0dB
Frequency weighting	A frequency weighting
Time weighting	FAST:125ms/ SLOW: 1s
Microphone	1/2 inch electret condenser microphone
High/low reading indication	﹥100dB, LCD displays“Hi”
	﹤100dB， LCD displays“LO”
Temperature range	-20℃～70℃/-4℉～158℉
Temperature accuracy	±1.5℃/2.7℉
Resolution	0.1
Data update	300ms
Battery life	at least 60 hours
Enable/Disable Auto power off	The meter shuts off automatically after 15 minutes of inactivity under auto power-off mode. Disabling auto power off is available.
Battery	3*1.5V “AAA” batteries
Operating conditions	-20℃～60℃/-4℉～140℉,10RH%～90 RH%
Storage conditions	-20℃～60℃/-4℉～140℉,10 RH%～75 RH%
Dimensions	144*56*30.5mm
Weight	73g of Meter

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