Rain Gauge
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| Brand | Apogee |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | Cloudburst SG-400 Series |
| Output Interface | SDI-12 v1.4 (Modbus option planned) |
| Capture Area | 324 cm² (SG-400/SG-410) or 200 cm² (SG-420/SG-430) |
| Inlet Diameter | 8 in (20.3 cm) or 6.3 in (16 cm) |
| Precipitation Capacity | 900 mm (SG-400/SG-410) or 1500 mm (SG-420/SG-430) |
| Bucket Volume | 30 L |
| Heating Option | Optional (SG-410 & SG-430) |
| Accuracy (Cumulative) | ±0.1 mm (<5 mm), ±1% (>5 mm) |
| Accuracy (Rate) | ±5% (>2 mm/hr) |
| Resolution | 0.01 mm |
| Temperature Sensitivity | ±0.01 mm/°C |
| Long-Term Drift | <0.5%/year |
| Nonlinearity | <0.1 mm (SG-400/SG-420), <0.2 mm (SG-410/SG-430) |
| Sensor Type | Stainless Steel Strain-Gauge Load Cell |
| Power Supply | 5.5–26 VDC |
| Current Draw | 20 mA (non-heated), +2.1 A @24 VDC (heated) |
| Power Consumption | 240 mW (base), up to 50 W (heater active) |
| Operating Temperature | –20 to +60 °C |
| Humidity Range | 0–100% RH |
| Enclosure Rating | IP67 |
| Dimensions | Ø38 cm × H80 cm |
| Weight | 12 kg |
| Mounting | Compatible with 15.24 cm wooden posts or 10.16 cm metal pipes |
| Cable Length | 5 m standard |
| Brand | AZ (Beijing Aozuo Ecological Instruments Co., Ltd.) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AZ-RF |
| Price | Upon Request |
| Rainfall Intensity Range | 0.2–240 mm/h |
| Raindrop Diameter Range | 0.1–5 mm |
| Rainfall Uniformity | ≥90% (scanning-type configuration) |
| Measurement Resolution | 0.01 mm (rainfall depth), 0.01 mm/h (intensity), 1 mm/h (intensity control step) |
| Control Levels | Up to 120 programmable intensity steps |
| Operating Height | 2.5–3.2 m (adjustable) |
| Coverage Area | Configurable up to 2 × 6 m² (12 m²) |
| Power Supply | 380 V AC (fixed), 24 V DC (portable) |
| Optional Disdrometer | Laser-based, 0.16–8 mm particle sizing, 0.2–20 m/s velocity detection, 440-class particle classification |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | FM-120 |
| Measurement Range | 2–50 µm |
| Sampling Area | 0.24 mm² |
| Volumetric Flow Rate | 1 m³/min |
| Sampling Frequency | Adjustable from 0.04 s to 20 s |
| Refractive Index Assumption | 1.33 (non-absorbing, water standard) |
| Scattering Collection Angle | 3.5°–12° (annular forward cone) |
| Operating Temperature | 0–40 °C |
| Relative Humidity | 0–100 % RH (non-condensing) |
| Altitude Limit | ≤ 4,000 m |
| Instrument Weight | 10.0 kg |
| External Pump Weight | 9.5 kg |
| Dimensions (Detector Unit) | 23 cm (W) × 37 cm (L) × 28 cm (H) |
| Power Supply | FM-120 unit: 85–264 VAC, 50–60 Hz |
| External pump | 220 VAC |
| Data Interface | RS-422 or RS-232 |
| Origin | Norway |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | T-200B |
| Price Range | USD 1,400 – 7,000 |
| Measurement Range | 600 / 1000 / 1500 mm |
| Collection Area | 200 cm² |
| Sensitivity | 0.05 / 0.075 / 0.1 mm |
| Accuracy | ±0.1% FS |
| Repeatability | ±0.1 / ±0.1 / ±0.15 mm |
| Power Supply | 8–24 V DC, 15 mA |
| Heated Option | 24 V or 220 V AC |
| Output | Square Wave 0–5 V and SDI-12 |
| Operating Temperature | −40 °C to +60 °C |
| Humidity | 0–100% RH |
| Temperature Drift | 0.001% FS/°C |
| Housing Material | Anodized Aluminum |
| Dimensions (Ø × H) | 390 × 760 / 800 / 1000 mm |
| Brand | Lambrecht |
|---|---|
| Origin | Germany |
| Model | 15184 |
| Measurement Principle | Weighing + Automatic Emptying |
| Resolution | 0.001 mm |
| Accuracy | ±0.1 mm/min or ±2% |
| Measuring Range | 0.005–10 mm/min (0–600 mm/h) |
| Catchment Area | 200 cm² |
| Heating Power | 80 W (funnel) + 60 W (outlet), 24 V DC |
| Output Options | SDI-12, RS-485 (ASCII/TALKER), dual pulse, 4–20 mA / 0–2.5 V / 0–5 V |
| IP Rating | IP67 |
| Dimensions | H 292 mm × Ø 159.6 mm |
| Weight | 3.5 kg |
| Compliance | WMO No. 8, VDI 3786 Bl. 7, EN 61000-2/-4, EN 61000-4-2/3/4/5/6/11, NAMUR NE-21 |
| Origin | Denmark |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Rain-O-Matic |
| Price Range | USD 1,400 – 7,000 |
| Resolution | 0.1 mm / 0.2 mm / 0.25 mm / 0.5 mm (user-selectable) |
| Collection Area | 200 cm² (31 in²) |
| Splash Height | 290 mm (11.4 in) |
| Weight | 1300 g (45.9 oz) |
| Tipping Interval (for 300 mm tilt) | ~300 ms (σ = 7–14 ms, depending on resolution setting) |
| Filter Time Constant | ≤200 ms |
| Output | Reed switch (SPST, normally closed on pins 1–2 |
| Compliance | WMO Guide to Meteorological Instruments and Methods of Observation (WMO-No. 8), ISO 9060:2018 Class C (for precipitation measurement systems), EN 13029:2000 (rain gauge performance requirements) |
| Brand | AZ / Thies Clima |
|---|---|
| Origin | Germany |
| Manufacturer | Thies Clima GmbH (OEM by AZ for China market) |
| Model | Thies-LPM |
| Laser Wavelength | 785 nm, Class 1M |
| Measurement Area | 46 cm² (23 × 2.0 cm) |
| Particle Diameter Range | 0.16–8 mm |
| Fall Velocity Range | 0.2–20 m/s |
| Particle Classification Resolution | 440 bins (22 size × 20 velocity classes) |
| Rain/Snow Discrimination Accuracy | >97% |
| Minimum Detectable Intensity | 0.005 mm/h |
| Maximum Rain Rate | 250 mm/h |
| Visibility (MOR) | 0–99.999 m |
| Radar Reflectivity (Z) | −9.9 to +99.9 dBZ |
| Operating Temperature | −40 to +70 °C (optional −60 to +70 °C) |
| Humidity Range | 0–100% RH |
| Enclosure | Stainless steel, IP65 |
| Power Supply | 24 V AC/DC, 750 mA (or 230 V AC optional |
| Weight | 4.8 kg |
| Dimensions | 270 × 170 × 540 mm |
| Data Output | Dual RS485, full-duplex, 1200–115200 Bd |
| Protocol Support | SYNOP WaWa4680 / WW4677, METAR 4678 |
| Optional Sensors | Anemometer (0.5–50 m/s), Wind Vane (0–360°), PT100-based Temp/RH (−30 to +70 °C, ±0.25 °C / ±2 %RH) |
| Logger Cube Data Logger | SD card up to 16 GB, IP66, −30 to +85 °C, RS485 interface (1200–1,000,000 Bd), 6–32 V DC |
| Brand | Vientiane Environment |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | WX-YL4 |
| Price | USD 420 (FOB) |
| Measurement Principle | 24 GHz Continuous-Wave Doppler Radar |
| Output Resolution | 0.1 mm |
| Rainfall Range | 0–200 mm/h |
| Accuracy | ±5% (at wind speed < 5 m/s) |
| Particle Size Detection Range | 0.5–5.0 mm |
| Sampling Interval | 1 s |
| Communication Interfaces | RS-485, RS-232 |
| Protocol | Modbus RTU |
| Power Supply | 12–24 VDC |
| Power Consumption | < 2 W |
| Operating Temperature | −30 °C to +70 °C |
| Operating Humidity | 0–100% RH (non-condensing) |
| Dimensions | Ø82 × 195 mm |
| Housing Material | Anodized Aluminum Alloy + ABS |
| Weight | 0.65 kg (with mounting bracket), 0.38 kg (sensor only) |