AUTOOL TN201 / TN-201 Digital Sound Level Meter

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⭐️FEATURES⭐️
- Capacitive microphone 
- A-weighting 
- Fast / slow mode 
- Max & min value 
- Auto off
- Backlit display

⭐️SPECIFICATIONS⭐️
- Measurement range : 30-130dB (A-weighted)
- Resolution : 0.1dB 
- Accuracy : ±1.5dB 
- Response frequency : 31.5Hz - 8kHz
- Time weighting characteristics : Fast (125ms) , Slow (1s)
- Operating environment : 0-40°C , ≤80% RH
- Power supply : 3*1.5V AAA Batteries 
- Protection level : IP40
- Housing Material : ABS