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Best Choice Mengshen 
Mengshen Decibel Meter, Digital Sound Level Meter Handheld Audio Noise Meter Tester with LCD Display Measuring 30-130dB [Sensitive Sensor] 0.5s response time, no contact. Can measure noise level under any circumstances, quickly display accuBest Value intendvision 
Digital Decibel Meter Sound Level Noise Meter 30-130dBA with A Frequency Weighting, Temperature Humidity Measurement, Ba 【Digital Decibel Meter】This digital decibel meter is a great tool for checking or monitoring the sound level of any enviGAIN EXPRESS 
Bluetooth Decibel Meter Digital Sound Level Meter Portable SPL Meter 30~130dBA Range MAX/MIN Data Hold with LCD Display 👌 Precise and dependable measurements: With an accuracy of ±1.5dB and a resolution of 0.1dB, this meter delivers precisSoonkoda 
Digital Sound Level Meter,Sound Meter for Classroom Home Street,30-130dBA dB Meter to Measure Noise,Noise Decibel Reader 【Widely Used】The noise meter is the use of environmental sound level instrument, can be widely used in such as factoriesGeneric 
Digital Sound Level Meter, Sound Meter for Classroom Home Street, 30-130dBA DB Meter to Measure Noise, Noise Decibel Rea Wide Measurement Range: With a measurement range from 30.0 to 130 dBA and an accuracy of ±1.5 dB, this sound meter is suGAIN EXPRESS 
Decibel Meter Data Logger Digital Sound Level Meter Recorder Professional Noise Detector Monitor 30dB to 130dB Portable 【Decibel Data Logger】The digital decibel meter can record 32000 groups data, the data logging function is compatible witGAIN EXPRESS 
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