
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.
Measured data can be recorded and published on:

The Skywatch® is especially designed for all outdoor activities as well as professional activities:
Skywatch® BL – Technical data
Samsung & Bluetooth low-energy profile devices
Samsung smartphones with Android 10 and and above appear to experience Bluetooth stack-corruption issues when interacting with BLE-profile devices. One workaround is stop the Skywatch BL app then manually forget the Skywatch and re-start the app. In bad cases of stack-corruption the previous steps should be followed by a complete re-start of the smartphone. This is a known problem which is discussed online in many BLE-device developer forums but, to-date, the manufacturer has not provided a software patch to correct the issue.
Skywatch BL products are fully-compliant BLE devices, so in the case you experience issues when using one of the above devices with our products please contact Samsung directly.
The following (third-party) links may be informative but are provided without any endorsement or recommendation:
https://www.youtube.com/watch?v=liE2qT-HdxM
https://thedroidguy.com/fix-bluetooth-problems-samsung-android-10-1123496
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 bl.skywatch.ch
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 bl.skywatch.ch/support.
App information
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