MT-911A Mini Sound Level Meter with Temperature

This unit adopts condenser microphone as the sensor, high configuration MCU calculation, high accuracy, fast response. This Sound Level Meter is designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments like factory, school, construction, etc.

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 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 electrets 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 inactivity under auto power off mode, disable 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

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