The WS501-UMB is a compact all-in-one weather sensor with measurement of temperature, relative humidity, air pressure, wind direction, wind speed and radiation. It is part of the WS product family of professional intelligent measuring sensors with a digital interface and an integrated design with ventilated radiation protection for various environmental applications. One external temperature or rain sensor is connectable.
Benefits
Flexible interfaces and telegrams
SDI-12 and RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, and XDR.
All-in-one housing concept & easy installation
All-in-one housing concept of a compact weather sensor combining several measurement parameters in one housing with only a single cable connection.
Aspirated radiation shield
Spectrally flat Class C Pyranometer
Maintenance-free operation
Maintenance free operation as there are no moving parts that can wear out.
Specifications
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Technical Attributes
Interface - RS485 2 wire Baud rate: 1200 - 38400 bit/s (Standard: 19200) or SDI-12
Analogue inputs - 1
Solar Radiation - Accuracy: 5 % Measuring range: Maximum operational irradiance; 2000 W/m² Measurement technology: Kipp & Zonen CMP3 Spectral accuracy: 300 - 2800 nm Response time: ˂ 6 s (63 %), 18 s (95 %) Non-linearity: ˂ 1.5 % (0 - 100 W/m²) Non-stability: ˂ 1 % (change/year)
Dimensions (free text) - Ø150 x 332 mm
Communication - SDI-12 and RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR
Relative humidity - Accuracy: ±2 % RH Measuring range: 0 - 100 % RH Measurement technology: Capacitive