The WS-UMB family is a range of affordable smart combinations of weather sensors for the acquisition of a variety of meteorological variables, as used for example for environmental data logging in road traffic management systems.
Depending on the model, each instrument has a different combination of sensors for the various measurement variables.

 

Overview of models :

Overview WS UMB Series1800



Parameters
:
                                                                                                                                           

Model Wind Temp - Hum Barom. pressure Precip.
type
Precip.
quantity
Global rad. Lightning Compass
WS100-UMB       x x   x x
WS200-UMB x             x
WS300-UMB   x x          
WS301-UMB   x x     x    
WS302-UMB   x x     x    
WS310-UMB   x x     x    
WS400-UMB   x x x x      
WS401-UMB   x x   x      
WS500-UMB x x x         x
WS501-UMB x x x     x   x
WS502-UMB x x x     x   x
WS510-UMB x x x     x   x
WS600-UMB x x x x x   x  
WS601-UMB x x x   x     x
WS700-UMB x x x x x x   x
WS800-UMB x  x x x x x x x

 

Included in all models
:

  • Built-in data pre-processing
  • Universal interfaces
  • Selectable RS485 output protocols (UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, SDI-12)
  • Built-in heater (except Mod. WS30x and WS401)
  • Mounting on tube Ø 60 - 76 mm
  • Delivered with pluggable 10 m cable (other lengths on demand)


Characteristics
:

Wind speed :
Measuring range : 0...75 m/s
       (WS601-USB: 0...30 m/s)
Resolution : 0,1 m/s
Accuracy :  ± 0,3 m/s or
± 3% (0...35 m/s) / ± 5% (>35 m/s)

     Wind direction :
Measuring range : 0...359,9 degrees
Resolution : 0,1 degree
Accuracy : < 3 degrees (> 1m/s)
  Air temperature :
Measuring range : -50...+60°C
Resolution : 0,1°C
Accuracy : ± 0,2°C (-20...+50°C)
Relative humidity :
Measuring range : 0...100%
Resolution : 0,1%
Accuracy : ± 2%

  Dew point (computed) :
Measuring range : -50°C...+60°C
Resolution : 0,1°C
Accuracy : ± 0,7°C 

  Barometric pressure :
Measuring range : 300...1200 hPa
Resolution : 0,1 hPa
Accuracy : ± 0,5 hPa (0...40°C)
Precipitation (with radar sensor) : WS100 / 400 / 600 / 700 / 800-UMB
Measuring range : 0,3...5 mm
Resolution : 0,01 mm
Repeatability : Typically > 90 %

  Precipitation (with rain gauge) : WS401 / 601-UMB
Resolution : 0,2 mm or
0,5 mm (with reduction ring)
Accuracy : 2%
  Lightning :
Coverage area : 5 – 10 km
Sum : 1 – 10 minutes
Sampling rate : 1 minute
Global radiation (A)
(with class A pyranometer) :
Measuring range : 0...4000 W/m²
Resolution : 1 W/m²
Accuracy : ± 2%

  Global radiation (B)
(with class B pyranometer) :
Measuring range : 0...2000 W/m²
Resolution : 1 W/m²
Accuracy : ± 5%
  Global radiation (C)
(with class C pyranometer) :
Measuring range : 0...2000 W/m²
Resolution : 1 W/m²
Accuracy : ± 10%
RS485 interface :
Protocol : UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, SDI-12
Mode : Half duplex
Baud rates : 1200...57600 bd

  Power :
Operating Voltage : 12 – 24 VDC
Consumption : 16…160 mA
  Heater :
Voltage : 24 VDC
Power : 20 or 40 W

Housing :
Material : Plastic
Fastening : Stainless steel bracket
                   f. tube Ø 60…76 mm
Dimensions : Ø 150…164 mm
              Height 190…445 mm
              (depending on model)

       


Contact us

Kritech & Co PGmbH

Gewerbestrasse, 1
B - 4731 Raeren
Belgium

Tel : + 32 87 85 04 78
Fax : + 32 87 85 31 84
E-Mail : info@kritech.be

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