The WS601 Ultrasonic Weather Sensor and Electronic Compass measures air temperature / relative humidity / air pressure / wind / precipitation / electronic compass.

From the WS product family of professional intelligent measurement transducers with digital interface for environmental applications. It has an Integrated design with ventilated radiation protection.

Model: 8376-U01

Precipitation is measured by a tipping spoon and tipping bucket processes. The flexible tipping bucket allows a 0.2mm or a 0.5mm resolution of the rainfall. Optionally, the WS601-UMB can be equipped with a leaf wetness sensor in addition. Ultrasonic sensor technology is used to take wind measurements.

Measurement output can be accessed by the following protocols: UMB-Binary, ASCII, UMB, SDI12, MODBUS .

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Technical Data

Additional Equipment

• WS601-UMB	8376-U01
  Dimensions	Ø approx. 164 mm, height approx. 445 mm
  Weight	approx. 1.7kg
  Temperature
  Principle	NTC
  Measuring range	-50...60°C
  Accuracy	±0.2°C (-20°C...+50°C), otherwise ±0.5°C (>-30°C)
  Relative humidity
  Principle	capacitive
  Measuring range	0…100% RH
  Accuracy	±2% RH
  Precipitation
  Resolution	0.01mm
  Air Pressure
  Principle	MEMS capacitive
  Measuring range	300...1200 hPa
  Accuracy	±0.5hPa
  Wind direction
  Principle	Ultrasonic- 2.4 GHz
  Measuring range	0...359.9°
  Accuracy	±3° RMSE >1.0m/s
  Wind speed
  Principle	Ultrasonic- 2.4 GHz
  Measuring range	0...30m/s
  Accuracy	±0.3m/s or 3% (0...35m/s) RMS of reading, whichever is greater ±5 % (> 35 m/s) RMS
  General Information
  Heating	20 VA at 24 VDC
  Protection type housing	IP66
  Interface	RS485, 2-wire, half-duplex
  Operating power consumption	24 VDC +/- 10% < 4VA (without heating)
  Operating humidity range	0...100%
  Operating temperature range	-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