Professional Noise Measurement Solutions
Lixin Electronic Technology (Baiantu) sound level meter series complies with international IEC 61672-1 standards and is widely used in environmental noise monitoring, industrial noise testing, and construction site noise assessment.

ET-958 Direct-from-Factory High-Precision Sound Level Meter
High-precision sound level meter, compliant with IEC 61672-1 Class 2 standard, four-digit LCD display, resolution 0.1dB
Key Features
- Complies with IEC 61672-1 Class 2 sound level meter standards
- Supports max/min value recording
- Over-range and under-range warnings
- Supports time display and data transmission status indication
- Support A/C frequency weighting switching
- Response Rate: Fast / Slow
- Equipped with simulated AC/DC output ports for connection to frequency analyzers or X-Y plotters.
- Real-time monitoring, data logging, and storage on PC
- 4-digit LCD display with measurement resolution of 0.1 dB
- Sampling rate: 2 times/second

ET-953 Wholesale Portable Digital Sound Level Meter
Portable Digital Sound Level Meter, IEC 61672-1 Class 2 compliant, with A/C weighting switch
Key Features
- Complies with IEC61672-1 CLASS2 (Class 2) standards
- Max/Min Records
- Out-of-range indicator
- Under-range indicator
- A-weighting & C-weighting
- Fast / Slow Response
- Time and Date Display
- Simulate AC/DC output; connect to frequency analyzer or X-Y plotter

ET-973 Handheld 2 Class Environmental Noise Sound Level Meter
Handheld Environmental Noise Decibel Meter, IEC 61672-1 Class 2 Compliant, 3-Color LED Indicator, Type-C Power
Key Features
- High precision, fast response
- Ambient Temperature Measurement
- Maximum (MAX) and Minimum (MIN)
- Data Hold
- Wide frequency range
- Fast / Slow Time Weighting
- Out-of-range indicator
- Auto Power Off (Enable / Disable)

MT-91 Smart Decibel Meter
Backlit LCD 35dB-135dB Smart Noise Decibel Meter, Audio Tester, Digital Sound Level Meter
Key Features
- Backlit LCD display
- Measurement range 35dB–135dB
- Smart Noise Detection
- Audio Testing Feature
- Easy to operate, clear readings
Sound Level Meter Model and Specification Comparison
Compare key specs and use cases for the ET-958, ET-953, ET-973, and MT-91 sound level meters to help you quickly select the right model.
A dash (—) in the table indicates that this item is not listed in the publicly available specifications for this model. For complete specifications, please contact our sales team.
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