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| Brand | AWA |
|---|---|
| Origin | Shandong, China |
| Model | YSD130+ |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Ranges | 30–130 dB(A), 35–130 dB(C), 40–130 dB(Z) |
| Self-Noise | 17 dB(A) |
| Accuracy | ±0.7 dB |
| Integration Time | 1 s – 24 h |
| Brand | AWA |
|---|---|
| Model | ASV5910 |
| Compliance | IEC 61672:2002 Class 2, IEC 61252:2002, GB/T 3785-2010 Class 2, GB/T 15952-2010 |
| Measurement Range | 63–140 dBA (personal exposure mode), 40–117 dBA (explosion-proof sound level meter mode) |
| Frequency Range | 20 Hz – 12.5 kHz |
| Frequency Weighting | A, C, Z per channel |
| Time Weighting | F, S, I, Peak per channel |
| Integration Time | 10 s – 24 h |
| Detector | True RMS digital detection |
| Channels | 2 simultaneous |
| Data Storage | 2 GB Flash RAM (up to 8,000 measurement sets) |
| Recording Duration | Up to 64 h (variable resolution) |
| Display | 128 × 64 dot-matrix OLED |
| Dimensions | 65 × 55 × 18 mm |
| Mass | 85 g |
| Battery Life | >12 h continuous operation |
| Explosion Protection | Ex ib IIB T3 Gb |
| Brand | AWA |
|---|---|
| Origin | Zhejiang, China |
| Model | AHAI1002 |
| Frequency Range | 10 Hz – 20 kHz |
| Sound Pressure Level Range | 28 dB–133 dB (A-weighted), 33 dB–133 dB (C-weighted), 38 dB–133 dB (Z-weighted) |
| Self-Noise | < 4 µV (A), < 7 µV (C), < 13 µV (Z) |
| Accuracy Class | Class 1 per IEC 61672-1 |
| Operating Duration | > 6 hours continuous operation on battery power |
| Wireless Protocol | IEEE 802.11 b/g/n (2.4 GHz Wi-Fi) |
| Brand | AWA |
|---|---|
| Origin | Shandong, China |
| Model | AWA6292 |
| Frequency Range | 10 Hz – 20 kHz |
| Measurement Range | 20 dB(A) – 143 dB(A) |
| Compliance | IEC 61672-1:2013 Class 1, IEC 61260-1:2014 Class 1 |
| Display | 4.3″ capacitive touchscreen |
| Data Storage | 16 GB internal + microSD up to 64 GB |
| Connectivity | 4G LTE, Wi-Fi 802.11 b/g/n, Bluetooth 5.0, USB-C, RS-232 serial |
| Protection Rating | IP65 (instrument body, excluding microphone) |
| Battery | 10,000 mAh Li-ion, 20 W fast charging |
| Operating Temperature | −20 °C to +60 °C |
| Dimensions | 288 × 95 × 40 mm |
| Weight | 510 g |
| Brand | AWA |
|---|---|
| Model | AWA6228+ |
| Origin | Shandong, China |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 28–133 dB(A), 33–133 dB(C), 40–133 dB(Z) |
| Self-Noise | <12 dB(A) |
| Compliance | IEC 61672-1:2013 Class 1, IEC 61260-1:2014 Class 1, GB/T 3785-2010 Class 1, GB/T 3241-2010 Class 1 |
| A/D Sampling Rate | 48 kHz |
| Display | 2.6″ color LCD (240 × 320 pixels) |
| Battery Life | >30 h (4 × AA alkaline) |
| Operating Temperature | −15 °C to +55 °C |
| Dimensions | 260 × 80 × 30 mm |
| Mass | 0.35 kg |
| Data Storage | 3 MB internal + optional 32 GB SD card |
| Output Interfaces | AC (150 mW, 8 Ω), DC (15 mV/dB), RS232, USB 1.1/2.0 |
| Optional Modules | GPS receiver, Bluetooth 4.0, GSM data transmission, solar charging unit, external printer (AH40), multi-point calibrator (AWA6223F) |
| Brand | AWA |
|---|---|
| Origin | Zhejiang, China |
| Model | AWA5688 |
| Price | USD 1,050 (FOB) |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 28 dBA – 133 dBA |
| LCPeak | 66–136 dB |
| Self-Noise | <12 dB(A) |
| Sensitivity | −40 dB re 1 V/Pa |
| A/D Resolution | 24-bit |
| Sampling Rate | 32 kHz |
| Linear Dynamic Range | 105 dB (A-weighted) |
| Time Weightings | Fast (F), Slow (S), Impulse (I), all parallel |
| Frequency Weightings | A, C, Z, all parallel |
| Detector | True RMS digital detection |
| Compliance | GB/T 3785–2010 Class 2, IEC 61672:2013 Class 2, GB/T 3241–2010 Class 2, IEC 61260:2014 Class 2 |
| Display | 2.6″ color TFT LCD, 240 × 320 px, auto/manual backlight (46 levels) |
| Data Storage | 32 MB Flash (3,300 single-statistic sets with histogram), optional SD card (up to 32 GB) |
| Power | 4 × AA alkaline batteries or 4.5–6.0 V DC external supply with seamless auto-switching |
| Operating Temperature | −10 °C to +50 °C |
| Relative Humidity | 20–90 % RH (non-condensing) |
| Dimensions | 260 × 80 × 30 mm |
| Weight | 350 g (without accessories) |
| Brand | AWA |
|---|---|
| Model | YSD130 |
| Type | Intrinsically Safe Sound Level Meter |
| Measurement Range | 30–130 dB (auto-ranging) |
| Frequency Weighting | A/C |
| Time Weighting | Fast (125 ms), Slow (1 s) |
| Resolution | 0.1 dB |
| Accuracy | ±1.4 dB at 94 dB (1 kHz sine wave) |
| Operating Environment | Underground coal mines, Class I, Zone 0/1 hazardous areas |
| Compliance | GB 3836.1–2021, GB 3836.4–2021 (China Ex ib I Mb), IEC 60079-0, IEC 60079-11 |
| Power Supply | Internal alkaline batteries (AA × 2) |
| Enclosure | IP54-rated ruggedized housing |
| Dimensions | 220 × 65 × 28 mm |
| Weight | ≤220 g (with batteries) |
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