Wireless Anemometer WL-21

      Features

  • 500m Wireless Transmission Range
  • Instant Visual & Audible Wind Alarm
  • Data Recording Up to 1 Year 
  • Wind Data with Historical Graphs
  • Accurate Wind Speed, Temperature, Air Pressure Measurements
  • 3-years Sensor Battery Life
  • Low Power Consumption
  • Replaceable Wind Cups 
Wireless Anemometer WL-21

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Functions

Instant Wind Speed Alarm

WL-21 displays the live wind speed value in selectable measurement units (m/s,

knots, MPH, km/hr) Users can set a wind speed warning limit on based on local

operation safety standards. An audible and visual alarm will be trigger when the

limit has been reached. Each sensor has a unique wireless address that can

connect to several displays to notify multiple stakeholders on-site.

 

Data Recording

WL-21 capture and storage wind speed, wind direction, temperature, air pressure measurements.

64MB built-in memory and outstanding battery life supports up to 1 year of continuous data recording. (Based on 10s logging interval, adjustable: 2s, 5s, 10s, 1min, 5 mins, 10 mins, 60 mins)

Technical Specifications
Wireless Sensor
Frequency868MHz(default), 915MHz
DistanceMax 500m* (depends on the applied environment)
Data RateEvery 2 seconds
Power Supply3.6V 18505 Lithium battery x1
Sensor bearings2 x precision stainless stell ball bearings
Waterproof RatingIP67
Weight406g
Dimension262.5 x 183.5 x32mm
Wind Direction Sensor
Range0-359° no blank sector
Resolution
Accuracy+/- 2°
Receiver Datalogger
Receiver Buzzer> 80dB
Built-in Memory64MB
Output.xlxs, .xls
Data LoggerWind speed, Wind direction, Temperature, Barometric pressure
Logging Interval2s, 5s, 10s, 1min, 5 mins, 10 mins, 60 mins
Power Supply1.5V AA battery x3, Micro USB port
Dimension189.6 x 75.6 x 36.3mm
Weight205g
Wind Speed Sensor
Unitm/s
knots
MPH
km/hr
Range0.3…50 m/s
Resolution0.1 m/s
0.1 knots
0.1 MPH
0.1 km/hr
Accuracy±2% FS
Temperature Sensor 
Unit°C
°F
Range-30°C…60°C
Resolution0.1°C
0.1°F
Accuracy±1°C
Atmospheric Pressure Sensor
UnithPa
mmHg
bar
Range500…1100 hPa
Resolution1 hPa
0.1 mmHg
0.001 bar
Accuracy±4 hPa

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Wireless Anemometer WL-21

Wireless Anemometer WL-21

      Features

  • 500m Wireless Transmission Range
  • Instant Visual & Audible Wind Alarm
  • Data Recording Up to 1 Year 
  • Wind Data with Historical Graphs
  • Accurate Wind Speed, Temperature, Air Pressure Measurements
  • 3-years Sensor Battery Life
  • Low Power Consumption
  • Replaceable Wind Cups 

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