Skywatch BL Logo

Skywatch® BL

The Skywatch BL is a real hand-held weather station which gives you an instant update on current weather conditions. Measure your wind speed, temperature and humidity with your Skywatch® BL and quickly determine if the conditions are right for your activity. This concentrated technology connects via Bluetooth on your mobile phone and can be taken on any of your adventures.

wind speed

wind direction


perceived temperature

heat index


dew point




UV index

Measured data can be recorded and published on:




Skywatch BL Logo

The Skywatch® is especially designed for all outdoor activities as well as professional activities:






building sites

Skywatch® BL – Technical data

  • Instant measurements

  • Graphical display of measurements with instant, minimum, maximum, average values ​​and additional values

  • Tracking mode with automatic recording of measurements and GPS coordinates

  • Sharing measurements on Facebook, Twitter, Instagram et

  • Measurement history

  • Displaying all measurements on a map

Wind measurement (Models BL 300, 400, 500)
Units of measurement km/h, mph, m/s, fps, knots and Beaufort
Resolution to the tenth decimal
Precision ± 3% / ± 0.5 km/h
Range of measurement from 3 to 150 km/h
Temperature measurement (Models BL 300, 400, 500)
Units of measurement °C and °F
Resolution to the tenth decimal
Precision ± 0.3°C
Range of measurement from -25°C to +60°C
Humidity measurement (Models BL 300, 400, 500)
Units of measurement %rH
Resolution to the tenth decimal
Precision ± 3% (10-90 %rH)
Range of measurement from 0 to 100 %rH
Pressure measurement (Models BL 400, 500)
Units of measurement hPa, mbar and inHg
Resolution to the tenth decimal
Precision ± 0.2 hPa
Range of measurement from 300 to 1’200 hPa
UV index measurement (Model BL 500)
Units of measurement UV
Resolution to the unit
Precision ± 1
Range of measurement from 0 to 15
  • Dimensions: Ø26 x 116 mm (closed, without clip)
  • Weight: 66 g (without clip)
  • Materials: anodised aluminium
  • Multidirectional propeller
  • Low-inertia sensor
  • Bluetooth connection status and battery level indicator
  • Power supply via micro USB rechargeable battery, with battery charge indicator
  • Battery life: more than a week
  • Retractable sensor protection
  • Protection index IP67
  • Operating temperature: -20 à +50°C
  • Official Swiss calibration
  • Skywatch BL device

  • Lanyard

  • Metal clip

  • Carrying pouch

  • Optional: Clamping with ball joint

User manual and FAQs are available at

App information

Compatible with iOS 8.4 and later

Compatible with Android 4.4 (Kitkat) and later

Compatible with Bluetooth Smart (BLE) 4.0 and later. Uses Environmental Sensing Profile (ESP) and Environmental Sensing Service (ESS) standards

Languages: French and English

Update device software online