Other Environmental Monitoring Instruments
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| Brand | ATI |
|---|---|
| Origin | USA |
| Instrument Type | Ultrasonic Anemometer |
| Measurement Principle | Orthogonal Acoustic Time-of-Flight |
| Axes | 3D (U, V, W) |
| Wind Speed Range | ±65 m/s (model-dependent) |
| Temperature Range | −50 °C to +70 °C (extended to +250 °C) |
| Accuracy | Wind Speed ±0.01 m/s, Orthogonality ±0.1°, Sonic Temperature ±0.05 °C |
| Resolution | Wind Speed 0.001–0.01 m/s (configurable), Wind Direction 0.1°, Temperature 0.01 °C |
| Output | RS-232C/RS-422 serial (ASCII, UART), programmable baud rate (4800–460,800 bps), data rate 1/3600 Hz to 200 Hz |
| Power | 9–32 VDC, <100 mA |
| IP Rating | Fully sealed for outdoor deployment |
| Probe Dimensions (V-model) | 17.8 × 17.8 × 17.8 cm |
| Weight | <1.0 kg |
| Compliance | Designed for GLP-aligned atmospheric research, compatible with eddy covariance systems per ASTM D5116 and ISO 16000-28 |
| Origin | Spain |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Atmos |
| Pricing | Upon Request |
| Origin | Canada |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AutoLAB 4 |
| Pricing | Available Upon Request |
| Brand | Avisoft |
|---|---|
| Origin | Germany |
| Model | CM16/CMPA |
| Instrument Type | Ultrasonic Noise Recorder |
| Frequency Range | 2 kHz to 200 kHz |
| Self-Noise | 18 dB SPL |
| Sensitivity | 500 mV/Pa |
| Connector | XLR-5 Male |
| Dimensions | 36 × 36 × 60 mm |
| Weight | 65 g |
| Power Supply | External Polarization via UltraSoundGate Interface |
| Optional Field Accessory | USB Power Adapter |
| Brand | AVVOR |
|---|---|
| Origin | Fujian, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Baihaitun RiverPro |
| Depth Measurement Range | 0.12–25 m |
| Compatible Platform | Shared buoy system with RiverRay ADCP |
| Electronics Architecture | Next-generation modular electronics platform (upgradable to RiverRay units) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | AWA 5633 |
| Pricing | Available Upon Request |
| Measurement Range | 35–130 dB(A) |
| Microphone | Φ12.7 mm Pre-polarized Condenser Microphone |
| Frequency Range | 31.5–8000 Hz |
| Frequency Weighting | A-weighting Only |
| Detection | Digital Detection with >90 dB Dynamic Range |
| Time Weighting | Fast (F) and Slow (S) |
| Range Control | Automatic |
| Display | 4-digit LCD, updated once per second |
| Output | AC Output |
| Calibration | Compatible with AWA6221B Acoustic Calibrator |
| Power Supply | 4×AA Alkaline Batteries, ~20 h Continuous Operation |
| Operating Environment | 0–40 °C, <90 % RH |
| Dimensions (L×W×H) | 210×75×32 mm |
| Weight | 0.3 kg (including batteries) |
| 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 |
|---|---|
| Model | AHAI6256 |
| Type | Portable Vibration Analyzer |
| Compliance | ISO 8041:2005, ISO 5349-1:2001, GB/T 23716–2009, IEC 61260:1995 |
| Sensor | AWA14400 Environmental Accelerometer (Sensitivity: 40 mV/m·s⁻², Mass: 550 g) |
| Frequency Range | 0.315 Hz–250 Hz (±2 dB), with weighted bands Wb/Wc/Wd/We/Wj/Wk/Wm/Wz/Wu |
| Measurement Parameters | Acceleration (m/s²), Velocity (mm/s), Displacement (µm), 1/3-Octave Band Analysis, FFT Spectrum (up to 256 lines), Time History Recording |
| Dynamic Range | 48 dB–158 dB (re 10⁻⁶ m/s²) |
| Linear Range | >90 dB |
| Sampling Rate | 750 Hz |
| A/D Resolution | 24-bit |
| Memory | 64 kB Flash (128 measurement sets) |
| Interface | RS232 (printer & PC data export) |
| Power | 6×LR6 alkaline or rechargeable batteries (≥16 h operation) or 5 V external supply |
| Operating Temp | –10 °C to +50 °C |
| Storage Temp | –20 °C to +70 °C |
| RH | 25 %–90 % |
| 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 | AWA5636 |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 40 dB(A) – 130 dB(A) |
| Self-Noise | <33 dB(A) |
| Accuracy | ±1 dB |
| Battery Life | 10 h |
| Compliance | GB/T 3785.1–2010 & IEC 61672–1:2013 Class 2 |
| RF Immunity Class | X |
| Type Approval Certificate No. | 2011F358-33 |
| Brand | AWA |
|---|---|
| Origin | China (Shandong) |
| Model | AWA5688 |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 28–133 dB(A), 33–133 dB(C), 40–133 dB(Z) |
| Self-Noise | <23 dB(A), <28 dB(C), <33 dB(Z) |
| Accuracy Class | IEC 61672-1:2013 Class 2 |
| Compliance | GB/T 3785.1-2010, GB/T 3241-2010, JJG 188-2017, JJG 778-2005, JJG 449-2014 |
| A/D Sampling Rate | 48 kHz |
| Display | 2.6" color LCD (240×320 px) |
| Memory | 32 MB flash + optional 32 GB SD card |
| Operating Temperature | 0–40 °C |
| Power | 4 × AA alkaline batteries (≥30 h continuous operation) |
| Weight | 0.35 kg |
| Dimensions | 260 × 80 × 30 mm |
| 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 | 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) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | AWA6228+ |
| Price Range | USD 1,400–2,800 (FOB) |
| Frequency Range | 10 Hz – 20 kHz |
| Measurement Range | 30–142 dBA, 35–142 dBC, 40–142 dBZ |
| Internal Noise Floor | <12 dBA (low range), <23 dBA (high range) |
| Accuracy Class | IEC 61672:2013 Class 1 / GB/T 3785-2010 Class 1 |
| Measurement Duration | Programmable from 1 second to 99 hours (continuous or interval-triggered) |
| Brand | AWA |
|---|---|
| Origin | Zhejiang, China |
| Model | AWA6228+ |
| Frequency Range | 10 Hz – 20 kHz |
| Measurement Range | Low Range: 132 dB(A), High Range: 142 dB(A) |
| Self-Noise | <12 dB(A), <17 dB(C), <22 dB(Z) |
| Accuracy | ±1 dB |
| Battery Life | 10 h |
| Compliance | GB/T 3785.1–2010 / IEC 61672–1:2013 Class 1, GB/T 3241–2010 / IEC 61260–1:2014 Class 1 |
| Brand | AWA |
|---|---|
| Origin | China (Shandong) |
| Model | AWA6228+ |
| Frequency Range | 10 Hz – 20 kHz |
| Measurement Range | Low Range: 20–132 dB(A), High Range: 30–142 dB(A) |
| Optional Extended Range | up to 162 dB(A) |
| Self-Noise | Low Range <12 dB(A)/17 dB(C)/22 dB(Z) |
| Accuracy | ±0.7 dB |
| A/D Sampling Rate | 48 kHz |
| Display | 2.6″ Color LCD (240×320) |
| Data Storage | 3 MB internal (expandable via SD card up to 32 GB) |
| Compliance | IEC 61672-1:2013 Class 1, IEC 61260-1:2014 Class 1, GB/T 3785.1–2010, GB/T 3241–2010 |
| 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 | AWA6292 |
| Accuracy Class | IEC 61672-1:2013 Class 1 |
| Frequency Range | 10 Hz – 20 kHz |
| Measurement Range | 20 dB(A) – 143 dB(A) |
| Display | 4.3" capacitive touchscreen |
| Data Storage | 16 GB internal + microSD slot (up to 64 GB) |
| Environmental Rating | IP65 (instrument body, excluding microphone) |
| Operating Temperature | −20 °C to +60 °C |
| Battery | 10,000 mAh Li-ion (20 W fast charge, ≥24 h runtime per full charge) |
| Connectivity | 4G LTE, Wi-Fi 802.11 b/g/n, Bluetooth 5.0, USB-C, RS-232 serial |
| Compliance | GB/T 3785.1–2010, IEC 61672-1:2013, GB/T 3241–2010, IEC 61260-1:2014 |
| 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) |
| 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 | Hangzhou Aihua |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | AWA3000 |
| Instrument Type | Online Noise Monitoring System |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 30 – 130 dB |
| Self-Noise Level | ≤20 dB(A) |
| Accuracy | ±0.5 dB |
| Measurement Duration | Configurable from 1 second to 24-hour continuous logging |
| Brand | Hangzhou Aihua |
|---|---|
| Origin | Zhejiang, China |
| Model | AWA4000 |
| Instrument Type | Online Noise Monitoring System |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 25 dB(A) – 140 dB(A) |
| Self-Noise | ≤20 dB(A) |
| Accuracy Class | Compliant with GB/T 3785.1–2023 / IEC 61672-1:2013 Class 1 |
| Measurement Duration | Manual or Automatic (0.1 s – 24 h) |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5610C |
| Pricing | Upon Request |
| Microphone | 1/2″ Electret Condenser, Sensitivity ≈40 mV/Pa |
| Measurement Range | 35–130 dBA (ref. 2×10⁻⁵ Pa) |
| Frequency Range | 20 Hz–12.5 kHz |
| Frequency Weighting | A-weighting |
| Time Weighting | Fast (F), Slow (S) |
| Detector | True RMS, Crest Factor 3 |
| Accuracy Class | IEC 61672 Class 2 |
| Measurement Durations | Manual, 10 s, 1 min, 5 min, 10 min, 20 min, 1 h, 4 h, 8 h, 24 h |
| Display | 4-digit LCD showing Lp, Leq, Lmax, Lmin, Linst, Tm, and real-time calendar/clock |
| Data Storage | 60 measurement records with timestamp, duration, Lmax/Lmin/Leq |
| Output Interface | RS-232C |
| Calibration | 94.0 dB @ 1 kHz (using standard acoustic calibrator) |
| Power Supply | 4×AA alkaline batteries (5#) |
| Dimensions (L×W×H) | 210×72×32 mm |
| Mass | 300 g |
| Compliance | IEC 61672:2002, GB/T 17181–1997 Class 2 |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5610D |
| Pricing | Available Upon Request |
| Microphone | 1/2″ Electret Condenser, Sensitivity ≈40 mV/Pa |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 35–130 dBA (ref. 2×10⁻⁵ Pa) |
| Frequency Weighting | A, C, Z |
| Time Weighting | Fast (F), Slow (S) |
| Detector | Digital True-RMS Detection, Peak Factor 3 |
| Accuracy Class | IEC 61672-1:2013 / GB/T 3785.1–2010 Class 2 |
| Measurement Durations | Manual, 10 s, 1 min, 5 min, 10 min, 20 min, 1 h, 4 h, 8 h, 24 h |
| Display | 4-digit LCD showing Lp, Leq, Lmax, LAE, E (Sound Exposure), Tm (Measurement Duration) |
| Output Interfaces | AC, PWM, DC (optional upon order) |
| Calibration | Compatible with 94.0 dB @ 1 kHz pistonphone calibrator (e.g., AWA6221B) |
| Power Supply | 4×LR6 (AA) alkaline batteries (typical life >20 h) |
| Dimensions (L×W×H) | 210 × 72 × 32 mm |
| Mass | 300 g |
| Compliance | IEC 61672-1:2013 Class 2, IEC 61672-2:2013, GB/T 3785.1–2010, GB/T 17181–1997 |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5633(D) |
| Price | Available Upon Request |
| Noise Floor | <30 dB(A) |
| Maximum Measurable Level | 130 dB |
| Microphone | 12.7 mm (½-inch) Pre-polarized Condenser Microphone |
| Frequency Range | 31.5 Hz – 8 kHz |
| Frequency Weighting | A-weighting only |
| Detection | Digital RMS detection with >90 dB dynamic range |
| Time Weightings | Fast (F), Slow (S) |
| Range Control | Automatic |
| Display | 4-digit LCD, update rate: 1 reading/sec |
| Output | AC output (rms, unweighted) |
| Calibration | Compatible with AWA6221B Acoustic Calibrator (94 dB/114 dB @ 1 kHz) |
| Power Supply | 4×AA (R6) alkaline batteries, ~20 h continuous operation |
| Operating Environment | 0–40 °C, <90% RH (non-condensing) |
| Dimensions (L×W×H) | 210 × 75 × 32 mm |
| Weight | 0.3 kg (including batteries) |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5633A |
| Pricing | Available Upon Request |
| Noise Floor | <30 dB(A) |
| Max. Measurable Level | 130 dB |
| Microphone | 12.7 mm (½″) Electret Condenser |
| Frequency Range | 20 Hz – 8 kHz |
| Frequency Weightings | A, C |
| Detection | Digital True RMS, Dynamic Range ≥60 dB |
| Time Weightings | Fast (F), Slow (S) |
| Range Selection | Manual, 3 ranges |
| Display | 3½-digit LCD, update rate: 1 reading/sec |
| Output | AC output (rms) |
| Calibration | Compatible with standard acoustic calibrators (e.g., 94 dB/114 dB @ 1 kHz) |
| Power | 4×AA (R6) alkaline batteries, ~20 h continuous operation |
| Operating Environment | 0–40 °C, RH <85% (non-condensing) |
| Dimensions (L×W×H) | 210×75×32 mm |
| Mass | 300 g (including batteries) |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA5633P |
| Pricing | Available Upon Request |
| Microphone | AWA14421 pre-polarized 1/2″ condenser microphone (sensitivity ≈ 40 mV/Pa) |
| Frequency Range | 20 Hz – 8 kHz |
| Frequency Weighting | A-weighting |
| Time Weighting | Fast (F), Slow (S) |
| Accuracy Class | IEC 61672-1:2002 & GB/T 3785-1983 Class 2 |
| Self-Noise | < 35 dB(A) |
| Maximum Sound Pressure Level | 130 dB(A) |
| Display | 4-digit LCD showing L<sub>p</sub> and L<sub>max</sub> |
| Calibration | Compatible with AWA6221B Class 2 acoustic calibrator |
| Power Supply | 2 × R06P (AA) batteries, >20 h continuous operation (~20 mA current draw) |
| Dimensions | 130 × 40 × 16 mm |
| Mass | 80 g |
| Operating Conditions | 0 °C to +40 °C, 25–90 % RH |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | AWA5636 |
| Pricing | Available Upon Request |
| Compliance | IEC 61672:2002 Class 2, GB/T 3785–2010 Class 2 |
| Frequency Weighting | A, C, Z |
| Time Weighting | F, S, I, Peak |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Upper Limit | >130 dB |
| Self-Noise | ≤30 dBA (AWA5636-0), ≤25 dBA (AWA5636-1/2/3/4) |
| Display | 128×64 dot-matrix LCD |
| A/D Sampling Rate | 32 kHz |
| Output Interfaces | AC/DC analog outputs (configurable amplitude), RS232 (optional or standard per variant), USB (optional or standard per variant) |
| Data Storage | Up to 8,000 measurement records (AWA5636-1/3/4) |
| Integration Time | User-selectable from 1 s to 24 h (AWA5636-2/3/4) |
| Key Metrics | L<sub>p</sub>, L<sub>eq,t</sub>, L<sub>max</sub>, L<sub>min</sub>, L<sub>peak</sub>, SEL, E, L<sub>ex,8h</sub>, TWA, DOSE, L<sub>5</sub>–L<sub>95</sub>, SD, Ts, Volt, Date/Time |
| Statistical Analysis | Optional software-enabled (AWA5636-1/4) |
| Operating Temperature | −20 °C to +50 °C (model-dependent) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | AWA5636 |
| Pricing | Available Upon Request |
| Compliance | IEC 61672:2002 Class 2, GB/T 3785–2010 Class 2 |
| Frequency Weighting | A, C, Z |
| Time Weighting | F, S, I, Peak |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Upper Limit | >130 dB |
| Self-Noise | <25 dBA (AWA5636-1/2/3/4) |
| Display | 128×64 dot-matrix LCD |
| A/D Sampling Rate | 32 kHz |
| Output Interfaces | AC (3-level adjustable), DC, RS-232 (optional or standard per variant), USB (optional or standard per variant) |
| Data Storage | Up to 8,000 measurement sets (AWA5636-1/3/4) |
| Integration Times | Manual or preset intervals from 1 s to 24 h |
| Key Metrics | L<sub>p</sub>, L<sub>eq,t</sub>, L<sub>peak</sub>, L<sub>max</sub>, L<sub>min</sub>, SEL, E, L<sub>ex,8h</sub>, TWA, DOSE, L<sub>5</sub>–L<sub>95</sub>, SD, Lex, Volt, Timestamp, Energy |
| Statistical Analysis | Optional software-enabled (L<sub>5</sub>, L<sub>10</sub>, L<sub>50</sub>, L<sub>90</sub>, L<sub>95</sub>, Standard Deviation) |
| Operating Temperature | –20 °C to +50 °C (model-dependent) |
| Watchdog Circuit | Integrated |
| Brand | Hangzhou Aihua |
|---|---|
| Origin | Zhejiang, China |
| Model | AWA5636-1 |
| Instrument Type | Class 2 Sound Level Meter |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 40 dB(A) – 130 dB(A) |
| Self-Noise | <33 dB(A) |
| Compliance | GB/T 3785.1–2010 / IEC 61672-1:2013 Class 2 |
| Display | 128×64 dot-matrix OLED |
| Power Supply | 4 × AAA alkaline batteries (≥12 h operation) |
| Operating Temperature | −10 °C to +50 °C |
| Output Interfaces | AC/DC/PWM output |
| Measurement Parameters | L<sub>p</sub>, L<sub>max</sub>, L<sub>eq,T</sub>, L<sub>min</sub>, SEL, E, T<sub>m</sub> |