If using the Skywatch BL app with a Samsung Smartphone running Android 10 or above, please click here to read important compatibility information.
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 equally be used in professional circumstances including agriculture and on construction sites. Measured data can be stored and shared on Facebook, Twitter, Instagram or bl.skywatch.ch.
| 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 |
Looking for product manuals? Click here.
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