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| 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 | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | HOBO U30 |
| Pricing | Upon Request |
| Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | AWA6218C |
| Pricing | Upon Request |
| Accuracy Class | Type 2 per IEC 61672:2002 & GB/T 17181 |
| Microphone | 1/2″ Pre-polarized Condenser, Sensitivity ≈ 40 mV/Pa |
| Frequency Range | 20 Hz – 12.5 kHz |
| Measurement Range | 35 dB – 130 dB (optional extended: 27 dB – 120 dB) |
| Frequency Weighting | A-weighting only |
| Time Weighting | Fast (F), Slow (S) |
| Detector | Digital True RMS, Crest Factor ≥ 3 |
| Operating Modes | Single-shot, 24-hour Automated Logging |
| Measured Metrics | L<sub>p</sub>, L<sub>inst</sub>, L<sub>5</sub>, L<sub>10</sub>, L<sub>50</sub>, L<sub>90</sub>, L<sub>95</sub>, E (Sound Exposure), L<sub>eq</sub>, L<sub>max</sub>, L<sub>min</sub> |
| Integration Times | Manual, 10 s, 1 min, 5 min, 10 min, 20 min, 1 h, 2 h, 4 h, 8 h, 24 h |
| Real-time Clock | Battery-backed calendar clock with persistent timekeeping during power loss |
| Data Storage | Up to 120 measurement sets with statistical distribution graphs, non-volatile Flash RAM |
| Interface | RS-232 serial port for printer or PC communication |
| Optional Filters | Compatible with AWA5721 (octave-band) or AWA5722 (1/3-octave-band) external filter sets |
| Printer Support | UP40 thermal micro-printer |
| Power Supply | 4 × AA alkaline batteries (≥48 h operation, <20 mA current draw) |
| Operating Temperature | 0 °C to 40 °C (extended range: –10 °C to +50 °C, optional) |
| Dimensions | 220 × 72 × 32 mm |
| Mass | ≈ 0.3 kg |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-4 |
| Pricing | Available Upon Request |
| Ion Concentration Range | 1–1.999×10⁹ ions/cm³ |
| Resolution | 1 ion/cm³ |
| Ion Mobility Ranges | 1.0 / 0.4 / 0.15 cm²/(V·s) (3-step selection) |
| Sampling Airflow Velocity | 180 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% for ion concentration and ion mobility |
| Power Supply | DC 12 V or AC 220 V |
| Operating Environment | –0 to +40 °C, ≤90% RH (short-term operation permitted above 90% RH) |
| Compliance | GB/T 18809–2002 |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | YSD130(A) |
| Price Range | USD 140–280 |
| Frequency Range | 31.5 Hz – 8 kHz |
| Measurement Range | 30 dB – 130 dB |
| Accuracy | ±1.4 dB |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Testo 425 |
| Pricing | Available Upon Request |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Aerotest Simultan Alpha |
| Pricing | Available Upon Request |
| Operating Pressure Range | 8.5–300 bar |
| Interface | G5/8" or INT |
| Flow Rates | 0.2 L/min and 4.0 L/min |
| Dimensions (Carrying Case) | 300 × 360 × 80 mm |
| Weight | ~3 kg |
| Measurement Time per Parameter | As Low as 5 Minutes |
| Compliance | EN 12021:2014, ISO 8573-1 Class 1–3 (for respiratory air), DIN 31662 |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | DLY-5 |
| Pricing | Upon Request |
| 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 | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | HOBO-001 |
| Pricing | Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | HOBO |
| Quotation | Upon Request |
| Instrument Type | Portable Weather Station |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Model 202 |
| Price | Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-6EU |
| Price Range | USD 0.14 – 714.29 |
| Ion Mobility | 0.4 cm²/V·s |
| Dimensions | 180 × 100 × 50 mm |
| Power | Rechargeable Li-ion battery + AC adapter |
| Data Interface | USB |
| Display | Integrated LCD |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Vantage Pro 2 |
| Instrument Type | Portable Weather Station |
| Wind Speed Range | 1–67 m/s, Accuracy: ±5% |
| Barometric Pressure Range | 880–1080 hPa, Accuracy: ±1.0 hPa, Resolution: 0.1 hPa |
| Wind Direction Range | 0–360°, Accuracy: ±7°, Resolution: 1° |
| Air Temperature Range | −40 to +65 °C, Accuracy: ±0.5 °C, Resolution: 0.1 °C |
| Relative Humidity Range | 0–100%, Accuracy: ±3%, Resolution: 1% |
| Rainfall Range (Daily) | 0–9999 mm, Accuracy: ±4%, Resolution: 0.2 mm |
| Solar Radiation Range | 0–1800 W/m², Spectral Response: 300–1100 nm, Accuracy: ±5%, Resolution: 1 W/m² |
| UV Radiation Range | 0–199 MEDs, Spectral Response: 290–390 nm, Accuracy: ±5%, Resolution: 0.1 MEDs |
| Soil Temperature Range | −40 to +65 °C, Accuracy: ±0.5 °C, Resolution: 1 °C |
| Leaf Wetness Range | 0–15 units, Accuracy: ±0.5, Resolution: 1 unit |
| Soil Moisture Range | 0–200 cb, Resolution: 1 cb |
| Dew Point Range | −76 to +54 °C, Accuracy: ±1.5 °C, Resolution: 1 °C |
| ET Calculation | Daily/Monthly/Annual, Resolution: 0.1 mm, Accuracy: ±5% |
| Operating Temperature (Console) | −40 to +70 °C |
| Memory Capacity | 128 KB non-volatile |
| Sampling Intervals | 1, 5, 10, 15, 30, 60, or 120 minutes |
| Wireless Transmission Range | Up to 300 m (line-of-sight), typical 60–120 m (obstructed) |
| 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 (China) |
| Model | AWA6290A |
| Pricing | Available Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-6A2 |
| Price Range | USD 1,400 – 2,800 |
| Measurement Range | 1–1.5×10⁶ ions/cm³ |
| Polarity Detection | Positive and/or Negative Ions |
| Resolution | 2 ions/cm³ |
| Measurement Cycle | 60 seconds |
| Selectable Modes | Negative Ion Only / Positive Ion Only / Bipolar (Simultaneous ±) |
| Ion Mobility | 0.4 cm²/(V·s) |
| PC Connectivity | USB-to-Serial (CP210x VCP Driver), Windows XP/7/8/10 Compatible |
| Data Output | Real-time & Averaged Values, Time-Series Curve Plotting, Local Disk Storage (CSV/Proprietary Binary) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-3 |
| Price Range | USD 2,800 – 7,000 |
| Ion Concentration Range | 10–1.999×10⁹ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility Ranges | 1.0 / 0.4 / 0.15 cm²/V·s (3-step selectable) |
| Air Sampling Velocity | 180 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% for concentration and mobility |
| Power Supply | DC 14.4 V (rechargeable sealed battery) or AC 220 V / 110 V (optional) |
| Operating Environment | −0 to +40 °C, ≤90% RH (short-term operation permitted above 90% RH) |
| 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) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | ASR6 |
| Price Range | USD 280–700 |
| Frequency Range | 20 Hz–12.5 kHz |
| Measurement Range | 70–140 dB |
| Accuracy | ±1.5 dB |
| Measurement Durations | 10 s, 1 min, 5 min, 10 min, 15 min, 30 min, 1 h, 4 h, 8 h, 24 h |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-6N3 |
| Price Range | USD 0.14 – 714.29 |
| Detection Range | 10–3999 × 10⁰ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility | 0.4 cm²/(V·s) |
| Dimensions | 18 × 10.5 × 5 cm |
| Power Supply | Sealed maintenance-free rechargeable battery (AC 220 V or 12 V automotive battery compatible) |
| Sensor Type | Gold-plated parallel-plate air ion collector (Wesix principle) |
| Display | LCD, direct readout in ions/cm³ |
| Compliance | GB/T 18809–2002 (Chinese National Standard for Air Ion Measurement Instruments) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS5633 |
| Price Range | USD 140–280 |
| Frequency Range | 31.5 Hz – 8 kHz |
| Measurement Range | 35 dB(A) – 130 dB(A) |
| Frequency Weighting | A-weighting, C-weighting |
| Time Weighting | Fast (F) |
| Display | 2-line alphanumeric LCD with backlight |
| Output | AC & DC analog outputs |
| Power Supply | 1 × 9 V alkaline battery |
| Dimensions | 230 × 72 × 30 mm |
| Mass | 200 g |
| Compliance | GB/T 3785–2010 Class 2, IEC 61672-1:2013 Class 2 |
| Origin | Fujian, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | KT-401P |
| Price Range | USD 0.15 – 750 |
| Display | 3.5-digit LCD |
| Measurement Range | 1 × 10⁴ – 1999 × 10⁴ ions/cm³ |
| Max Display | 1999 × 10⁴ ions/cm³ |
| Resolution | 1 × 10⁴ ions/cm³ |
| Polarity | Negative ions only |
| Peak Hold Function | Yes |
| Power Source | LR44 button cell (x2) |
| Dimensions | 78 mm (L) × 27 mm (W) × 9 mm (H) |
| Warranty | 1-year limited warranty, lifetime technical support |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Model | CD10 |
| Pricing | Available Upon Request |
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