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JDC Skywatch BL400 (Bluetooth) Windmeter

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The Skywatch® BL400 accurately measures wind SPEED, TEMPERATURE, HUMIDITY and PRESSURE connecting to your smartphone via Bluetooth® for instant readings. It permits you to share your measurements on popular social networks.

Specially designed for outdoor activities such as sailing, kite surfing, paragliding and hiking the Skywatch® BL400 can easily fit in a pocket or backpack for on the go readings when site specific data is required. Measured data can be stored and shared on Facebook, Twitter, Instagram or bl.skywatch.ch. 
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Customer satisfaction policies

  • Instantaneous measurements retractable multidirectional propeller
  • Indicators for Bluetooth connection status and battery level
  • Graphical display of measurements with instantaneous, minimum, maximum, average and complementary values
  • Tracking mode with automatic recording of measurements and GPS coordinates
  • The capability to share measurements on Facebook, Twitter, Instagram and www.skywatch-bl.com
  • Historic measurements
  • Map display of all readings

Wind Speed Units Km/h, mph, m/s, fps and knots
Wind Speed Resolution 0.1 unit
Wind Speed Accuracy ± 3% / ±0.5 km/h
Wind Speed Range From 3 to 150 km/h
Temperature Units °C and °F
Temperature Resolution 0.1 unit
Temperature Accuracy +/- 0.3 °C
Temperature Range -25 °C to +60°C
Humidity Units %HR
Humidity Resolution 0.1 unit
Humidity Accuracy +/- 3%HR (10-90 %HR)
Humidity Range From 0 to 100 %HR
Pressure Units hPa, mbar and inHg
Pressure Resolution 0.1 unit
Pressure Accuracy +/- 0.2 hPa
Pressure Range From 300 to 1200 hPA
Power Source Rechargeable battery via micro USB, with charging indicator
Dimensions Ø26 x 116 mm (closed, without clip)
Material Anodized aluminium
Weight 66 g (without clip)
Protection Class IP67
Operation Temperature -20 to +50°C
Battery Life More than a week
Calibration Swiss official calibration 

Specific References