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. A/D Bit depth: 24 bits
5. Sampling frequency: 48 kHz, 96 kHz
6. Internal noise: less than 8 dBA/10 dBC/20 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, 1/1 OCT analysis, 1/3 OCT analysis, FFT analysis, sound exposure level measurement.
16. 3.5-inch capacitive touch screen + physical button dual operation, freely switchable between graphical/list/simple interface.
17. A/C/Z 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 AC/DC, I/O, 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 (not included).
24. Bottom USB power supply interface, allowing for extended continuous use.
25. Dimensions: 286x85x36mm
26. Product weight: 330g