SMART SENSOR High-Precision Integrating Statistical Decibels Detector 1. Measurement range: 17 dB(A) ~ 144 dB(A) 2. Measurement microphone: AWA14425 measuring microphone, reference sensitivity level -28 dB 3. Frequency range: 10 Hz ~ 20 kHz 4. AD Bit depth: 24 bits 5. Sampling frequency: 48 kHz, 96 kHz 6. Internal noise: less than 8 dBA10 dBC20 dBZ; Low-field self-generated noise less than 17 dBA 7. Time weighting: parallel (simultaneous) F, S, I 8. Frequency weighting: parallel (simultaneous) A, C, Z 9. Detection characteristics: true RMS digital detection 10. Display: 3.5-inch capacitive touchscreen 11. Measurement time: arbitrarily settable from 1 second to 99 hours 12. Data Storage: 64 13. Suitable for various occasions such as factories, offices, traffic roads, homes, and audio equipment. 14. AWA14425 test microphone, frequency response 10Hz~20kHz, covering daily and industrial noise frequency bands. 15. 7 modes: total value integration, statistical integration, 24-hour measurement, 11 OCT analysis, 13 OCT analysis, FFT analysis, sound exposure level measurement. 16. 3.5-inch capacitive touch screen + physical button dual operation, freely switchable between graphicallistsimple interface. 17. ACZ three-level frequency weighting: A-weighting simulates the human ear, C-weighting is suitable for industrial scenarios, and Z-weighting closely matches the original data. 18. Time weighting has F (fast), S (slow), and I (pulse) modes; select the mode according to the actual situation for more accurate measurement. 19. Supports day and night limit settings; automatic flashing warning when exceeding the limit. 20. Equipped with ACDC, IO, and USB transmission interfaces on the bottom; built-in Bluetooth + 4G. Transmission Functions 21. The instrument can connect to a printer via serial port or Bluetooth. 22. Standard configuration includes a probe windproof bulb, effectively improving measurement accuracy. 23. Rear battery compartment design, using 6 AA batteries