Overview
Overview
The WS500-J is an all-in-one weather sensor measuring wind speed, wind direction, air temperature, relative humidity, air pressure, and WMO-aspirated accuracy that resists solar-loading drift. A drop-in replacement for the Lufft WS500, the WS500-J is an updated model built on the same trusted Lufft platform, reporting data every 5 seconds instead of every minute, with built-in ultrasonic wind sensing for fewer failure points. Built for NatMet and Research Networks, the WS500-J delivers these core parameters without paying for a radiation sensor. Now you can measure more, maintain less with the WS500-J.
Benefits
Reduced Risk, Improved Self-Diagnostics
The WS-J's incorporates improved house-keeping functions, live heating-voltage monitoring, and automatic self-diagnostics to catch a failing component before it corrupts the rest of the instrument and finally your decision-making data set.One Platform Across Networks
The J-Series is a drop-in replacement for legacy WS units, sharing size, weight, mounting, cable connections, available protocol formats and interfaces, and software across the platform. One calibration reference, one spare pool, one standard.Performance & Tender-Readiness
Integrated design offering WMO compliant wind gust calculation. IEC 61724-1:2021 Class A compliant 5s output rates on air temperature, relative humidity, air pressure and wind. Wind speed is reported up to 75 m/s and as our measured parameters 100% tested in our certified calibration process. Each WS-J comes with a FAT certificate.Low Lifecycle Cost by Design
With built-in ultrasonic wind sensing, the WS500-J has fewer failure points. The new aspirated radiation solution ensures lifetime performance and the single sensor. Single cable connection drops total costs of ownership over the full life of your sensor's deployment.Specifications
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Technical Attributes
| Communication Interface | Non-isolated RS485; SDI-12 |
| Power supply | 4 to 28 V DC |
| Power supply best performance heater, fan for aspirated mode | Below 24 V DC |
| Temperature Measuring Range | -50 to +60 degC |
| Temperature Accuracy | +/-0.2 degC |
| Temperature Resolution | 0.1 deg C |
| Relative Humidity Measurement Range | 0 to 100 % RH |
| Relative Humidity Accuracy | +/-2 % RH |
| Relative Humidity Resolution | 0.1 % RH |
| Air Pressure Measurement Range | 300 to 1200 hPa |
| Air Pressure Accuracy | +/-0.5 hPa (0 to +40 degC) |
| Air Pressure Resolution | 0.1 hPa |
| Dimensions | Ø150 × 287 mm |
| Weight | 1100 g |
| Wind Direction Measurement Range | 0 to 359.9 deg |
| Wind Direction Accuracy | <3 deg (>1 m/s), RMSE |
| Wind Direction Resolution | 0.1 deg |
| Wind Speed Measurement Range | 0 to 75 m/s |
| Wind Speed Accuracy | +/-0.3 m/s or +/-3 % (0 to 35 m/s); +/-5 % (>35 m/s), RMS |
| Wind Speed Resolution | 0.1 m/s |
| External Temperature Measurement Range | -40 to +80 degC |
| External Temperature Accuracy | +/-1 degC; WST1 +/-0.3 degC from -10 to +10 degC |
Resources
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