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| Brand | Lufft |
|---|---|
| Origin | Germany |
| Model | NIRS31-UMB |
| Measurement Principle | Near-Infrared Spectroscopy (NIRS) + Infrared Pyrometry |
| Output Parameters | Surface Temperature, Water Film Height, Ice/Snow Thickness, Ice Fraction, Freezing Point Depression, Salt Concentration, Friction Coefficient Estimate, Surface Condition Classification |
| Communication Protocol | UMB (Universal Measurement Bus), SDI-12, Modbus RTU, ASCII |
| Mounting | Non-intrusive overhead installation (typical height: 3–8 m) |
| Compliance | EN 13103, WMO Guide to Meteorological Instruments and Methods of Observation, ASTM E1967 (for pavement friction estimation), ISO/IEC 17025 traceable calibration support |
| Brand | Lufft |
|---|---|
| Origin | Germany |
| Model | IRS31Pro-UMB |
| Measurement Principles | Conductivity-based salt concentration & freezing point detection, FMCW radar for water film thickness, NTC thermistor for surface temperature |
| Output Interfaces | UMB (Universal Measurement Bus), SDI-12, RS-485 |
| Power Supply | 6–30 VDC, solar-compatible |
| Operating Temperature | −40 °C to +70 °C |
| IP Rating | IP68 |
| Mounting | Flush-mountable in asphalt/concrete |
| Compliance | EN 12830, ASTM E1952, ICAO Annex 3, WMO Guide to Instruments and Methods of Observation |
| Brand | HACH |
|---|---|
| Origin | Imported |
| Manufacturer Type | Manufacturer |
| Model | PL1020 |
| Instrument Category | Online Beverage Analyzer |
| Application Type | Online |
| Measurement Time | ~5 min per cycle |
| Dimensions (L × W × H) | 455 mm × 365 mm × 805 mm |
| Analytical Principle | Ferric Tartrate Spectrophotometry per GB/T 21733–2008 Annex A |
| Brand | Lufft |
|---|---|
| Origin | Germany |
| Model | StaRWIS-UMB |
| Measurement Principle | Spectral Reflectance Analysis + Infrared Pyrometry |
| Operating Temperature Range | –40 °C to +70 °C |
| Water Film Thickness Range | 0–6 mm (dual-mode output for smooth & rough surfaces) |
| Ice Coverage Detection | Qualitative & Quantitative (0–100% ice fraction estimation) |
| Surface Temperature Accuracy | ±0.5 °C |
| Friction Coefficient Estimation | Relative index (non-mechanical, algorithm-derived) |
| Optical Source | Long-life LED (no moving parts, >50,000 h MTBF) |
| Communication Interfaces | Bluetooth 5.0 (for configuration & diagnostics), RS-485 (Modbus RTU), CAN-BUS (SAE J1939 compliant) |
| Mounting | Pole- or gantry-mounted, no road cutting required |
| IP Rating | IP66 |
| Compliance | EN 12830, EN 13193, WMO Guide to Meteorological Instruments and Methods of Observation (CIMO Guide), ISO/IEC 17025 applicable for calibration traceability |
| Brand | Lufft |
|---|---|
| Origin | Germany |
| Model | ARS31Pro-UMB |
| Measurement Principle | Peltier-based active cooling/heating with NTC surface temperature sensing |
| Ice Detection Method | Real-time dew/frost point and freezing point calculation independent of de-icing agents |
| Mounting | Flush-mounted, modular electronics unit |
| Output | Binary ice warning + analog/digital surface temperature & state data |
| Communication | UMB (Universal Measurement Bus), RS-485, Modbus RTU, SDI-12 compatible |
| Compliance | EN 13103, WMO Guide to Meteorological Instruments and Methods of Observation (CIMO Guide), ASTM E1972 (Standard Practice for Pavement Condition Monitoring) |
| Brand | Lufft |
|---|---|
| Origin | Germany |
| Model | MARWIS-UMB |
| Measurement Principle | Spectral Reflectance Analysis (Near-Infrared), Infrared Pyrometry, NTC Thermistor, Capacitive Humidity Sensing |
| Sampling Frequency | 100 Hz |
| Mounting | Magnetic Base |
| Communication Interfaces | Bluetooth 4.2, RS-485 (Modbus RTU), CAN-BUS (SAE J1939) |
| Environmental Operating Range | −40 °C to +70 °C |
| IP Rating | IP67 |
| Compliance | CE, E-mark (E1), RoHS, ISO 9001-certified manufacturing |
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