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The WS301 Ultrasonic Weather Sensor measures air temperature / relative humidity / air pressure and solar radiation. From the WS product family of professional intelligent measurement transducers with digital interface for environmental applications.
Model: 8374-U01
Comes with 10m cable.
Integrated design with ventilated radiation protection
Available with low-power setting for remote stations with solar power.
Measurement output can be accessed by the following protocols: ASCII, UMB, SDI12, MODBUS.
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| WS301-UMB | 8374-U01 |
| Dimensions | Ø approx. 5.09" (150mm), Height approx. 8.85" (225mm) |
| Weight | approx. 4.4lbs (2kg) |
| Temperature | |
| Principle | NTC |
| Measuring range | -58...140°F (-50...60°C) |
| Accuracy | ±0.2°C (-4...122°F/ -20°C...+50°C), otherwise ±0.5°C (>-22°F/-30°C) |
| Relative humidity | |
| Principle | capacitive |
| Measuring range | 0…100% RH |
| Accuracy | ±2% RH |
| Radiation | |
| Response Time (95%) | 18s |
| Non-stability (change/year) | ±1% |
| Non-linearity (0 to 1,000 W/m2) | ±2.5% |
| Directional error (at 80° with 1,000W/m2) | ±20W/m2 |
| Temperature dependence of sensitivity | ±5% (-10 to +40°C) |
| Tilt error (at 1,000W/m2) | ±3% |
| Spectral range (50% points) | 300 to 2,800nm |
| Typical signal output for atmospheric applications | 0 to 20mV |
| Operating temperature | -40 to +80°C |
| Maximum irradiance | 1,500W/m2 |
| Air Pressure | |
| Principle | MEMS capacitive |
| Measuring range | 300...1200 hPa |
| Accuracy | ±0.5hPa |
| General Information | |
| Protection type housing | IP66 |
| Interface | RS 485 2-wire, half duplex |
| Operating power consumption | 24 VDC +/- 10% < 4VA (without heating) |
| Operating humidity range | 0...100% |
| Operating temperature range | -58...140°F (-50...60°C) |
| Accessories | |
|---|---|
| Surge protection | 8379-USP |
| Power supply 24V/2.5A | 8366-USV4 |
| Power supply 24V/4A | 8366-USV1 |
| Traverse Mounting Bracket | 8367-TRAV1 |
| Digital-analog-converter | 8160-UDAC |
| Temperature Sensor WT1 | 8160-WT1 |
| Rain sensor WTB100 | 8353-10 |
| WS Cables | 8370-UKAB (several lengths available) |
| Tripod, Portable Tripod Mast 6 to 10 ft | ME905 |
| Converter Cable RS485 to USB | 8160-RS485USB |
| GPRS/GSM modem with Camera Port | 8160-MODVIOLA |
| RS232 Connection Cable | 8160-KAB |
| Netronix node with Thiamis ICU | RN500ICU820 |
| Surge Protector for night vision cameras | 8379USPRJ45 |
