This manual covers the operation, settings, calibration, and data management of the AWA AWA6228+ multi-function sound level meter.
The AWA AWA6228+ is a new generation noise measurement instrument using digital signal processing technology. It features a large linear range exceeding 110 dB, simultaneous frequency weighting (A, C, Z) and time weighting (F, S, I), and supports various analysis functions including statistics, integration, OCT spectrum analysis, FFT, and digital recording. This manual is written in Chinese.
| Microphone Combination | Φ12.7mm (1/2″) pre-polarized test capacitor microphone + AWA14601 type pre-amplifier |
|---|---|
| Sensitivity Level Range | -36dB to -26dB (referenced to 1V/Pa as 0dB) |
| Frequency Range | 10Hz to 20kHz ± 1dB (excluding microphone) |
| Sampling Frequency | 48 kHz |
| Self-Noise (A-weighted) | Less than 3 μV |
| Linear Range | Greater than 110 dB (A-weighted) |
| Time Weighting | Parallel F, S, I |
| Frequency Weighting | Parallel A, C, Z |
| Detector Characteristic | True RMS digital detection |
| Instrument Type | IEC61672:2002 Class 1, GB/T3785-1985 Type 1, GB/T17181-1997 Type 1 |
| Display | 2.6 inch color screen, resolution 240x320 |
The instrument has a linear range greater than 110 dB when using A-weighting.
Yes, it supports parallel (simultaneous) A, C, Z frequency weightings and F, S, I time weightings.
The sampling frequency is set to 48 kHz.