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Lufft: WS401 Compact Smart Weather Sensor

Lufft Product Number: 8377.1

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Produktnummer: OTT_WS401 Kategori: Stikkord: , , , ,

Overview

The WS401-UMB is a compact all-in-one weather sensor for measurement of temperature, relative humidity, air pressure and precipitation.It is part of the WS product family of professional intelligent measurement transducers with a digital interface for environmental applications. It has an integrated design with ventilated radiation protection for measuring: Air temperature, relative humidity, precipitation and air pressure. One external temperature sensor is connectable.

 

Benefits

  • 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.
  • Maintenance-free operation
    Maintenance free operation as there are no moving parts that can wear out.
  • Flexible interfaces and telegrams
    SDI-12 and RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, and XDR.
  • Aspirated radiation shield

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Spesifikasjoner

 

*Parameters Measured Air Temperature
Relative Humidity
Precipitation Amount
Air Pressure
Air Pressure Accuracy: ±0.5 hPa (0 – +104 °F) or ±0.5 hPa (0 – +40 °C)
Measuring range: 300 – 1200 hPa
Measurement technology: MEMS capacitive
Air Temperature Accuracy: ±0.4 °F (-4 – +122 °F) or ±0.2 °C (-20 – +50 °C), otherwise ±0.9 °F (˃ -22 °F) or ±0.5 °C (˃ -30 °C)
Measuring range: -58 – +140 °F (-50 – +60 °C)
Measurement technology: NTC
Resolution: 0.1 °C (-20 – +50 °C), otherwise 0.2 °C
Analog Inputs 1
Cable Connection Open wires
Cable Length (Standatd) 10m / 33ft
Communication SDI-12 and RS485 with supported protocols
UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR
Dimensions Ø164 x 380 mm
Interface RS485 2 wire
Baud rate: 1200 – 38400 bit/s (Standard: 19200) or SDI-12
IP Rating IP66
Material Enclosures Plastics (PC)
Operating Humidity 0-100 %
Operating Temperature Range -50 – +60 °C
Power Supply 12 – 24 VDC
Precipitation Accuracy: 2.0 %
Measuring range: 0 – 200 mm/h
Measurement technology: Rain Gauge Tipping bucket
Relative Humidity Accuracy: ±2 % RH
Measuring range: 0 – 100 % RH
Measurement technology: Capacitive
Weight 3.3 lb (˂ 1.5 kg)