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GN102 Sound Level Meter with LED Display, Portable Decibel Tester Device for Noise Measurement 30 to 130 dB Range, Industrial and Home Use((No Batteries))

Industrial Stainless Steel Noise Sensor, Sound Level Meter Noise Test Decibel Meter Monitoring Module RS485/4-20mA Output (0-5V)

Industrial-Strength Noise Monitors Highly Accurate Decibel Tester For Noise Control In Commercial

Class 1 Sound Level Meter (Range: 30 to 130 dB) | Noise Level Meter for Classroom | Professional Decibel Meter | Industrial Decibel Meter for Classroom Auditoriums | Model: SL-4023SD

Sound Decibel Meter/Certified Sound Level Meter (Range: 30 to 130 dB)/ Class 1 Noise Detector/db Meter/Professional Sound Level Meter for Industry, Vocational Training Center Model: SL-4023SD

Taidacent Industrial Grade Noise Decibel Detection Module Sound Sensor Sound Level Meter Sound Measurement (RS485-5V)

Jieotwice Sound Level Meter Industrial Stainless Steel Noise Sensor Noise Test Decibel Meter Monitoring Module RS485/4-20mA Output (4-20mA)

01 02 015 Decibel Meter, Noise Measure Device Noise Tester Wide Application with LCD Backlight for Cinemas for Factories for Industry