Extremely precise and maintenance-free measurement of wind velocity and wind direction as well as calculation of acoustic virtual temperature. The ultrasonic wind sensor is designed without mechanical parts as they have been used with traditional “cups and vanes”. The digital or analog output delivers instantaneous, average, min or max value with flexible measuring rate. The V200A-UMB is heated in case reaching critical ambient conditions. Recommended for: meteorology or building automation. The following outputs/protocols are available: NMEA, ASCII, UMB and 4.. 20 mA analog.
| General | |
| Technical data | |
| Dimensions | Ø approx. 150 mm, height approx. 170 mm |
| Weight | Approx. 0.8kg |
| Permissible ambient temperature | -40…60°C (with heating) -20…60°C (without heating) |
| Supply voltage with heating / without heating | 24 VDC, max. 20 VA / 12 V |
| Bus operation | Up to 32 devices |
| Operating voltage electronics | 24 VDC ±10 % or 24 VDC/1.2 VA without heating 12 VDC |
| Electrical connection | 8 pole plug |
| Housing material | Plastic |
| Protection type | IP66 |
| Pole diameter | 50mm / 2″ |
| Factory certificate | Yes |
| Data output digital | |
| Interface | RS485 semi-/full duplex, isolated |
| Baud rate | 1200 … 57600 |
| Measurement rate instantaneous value | 250 ms; 1-10 s |
| Measurement rate avg (arithmetic, vector), Min, Max | 1…10 min |
| Status | Heating, sensor failure |
| Data output analog | |
| Data output analog | Only semi-duplex mode |
| Output signal | 0…20 mA, 4…20 mA, 0…10V, 2…10V, 2…2,000 frequency (instantaneous, avg, min, max) |
| Load | Max. 300 Ohm |
| Resolution | 16 bit |
| Maximum operating height | 3500m |
| Air pressure | |
| Principle | MEMS capacitive |
| Measuring range | 300 … 1200 hPa |
| Unit | hPa |
| Accuracy | ±1.5 hPa (0…40°C) |
| Wind direction | |
| Principle | Ultrasonic |
| Measuring range | 0 … 359.9 ° |
| Unit | ° |
| Accuracy | < 3° (> 1m/s) RMSE |
| Resolution | 0.1 ° |
| Wind speed | |
| Principle | Ultrasonic |
| Measuring range | 0 … 90 m/s |
| Unit | m/s |
| Accuracy | ±0.3 m/s or ±3% (0 … 35m/s) RMS (the greater value counts); ±5% (> 35m/s) RMS |
| Resolution | 0.1 m/s |
| Virtual temperature | |
| Principle | Ultrasonic |
| Measuring range | -50 … 70 °C |
| Unit | °C |
| Accuracy | ± 2.0°C (without heater and without sun exposure or wind > 4m/s) |
| Resolution | 0.1 °K |
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