Fast, accurate cloud and visibility detection for a range of applications.
Reliable cloud and visibility detection is crucial for modern forecasting, situational awareness, and air quality reporting. Compact, lightweight, and built on trusted Vaisala technology, CL31 and CL51 ceilometers are the ideal choices for assessing the boundary layer, cloud ceiling and base height, and more.
These globally recognized and trusted sensors provide crucial benefits for a wide range of applications:
The CL31 model detects three cloud layers simultaneously to a range of 7.6 km (25,000 ft) and generates a full scope of measurements, including precise assessment of inversion layers and nocturnal stable layers below 200 meters (650 ft).
The CL51 model is designed for high-range, cirrus cloud height profiling that also includes detailed data on low and middle layer clouds as well as vertical visibility. It has a detection range up to 15 km (49,200 ft).
Dramatically improve airport operations, flight safety, and operational continuity with full atmospheric awareness.
Create more accurate forecasting and environmental awareness, protecting people and communities.
Enable full situational awareness and improved decision-making today’s urban and industrial settings.
See technical data for this compact and lightweight instrument for cloud base height and vertical visibility measurements.
Get more detail about how CL51 measures high‑range cirrus cloud heights in harsh conditions.
Read how the retrieving boundary layer structure data is enabling new ceilometer uses for air quality monitoring and forecasting.
Find additional resources, applications and information about CL31 and CL51 here.
By making the CL31 or CL51 the foundation of your atmospheric awareness, you can dramatically improve your operations and decision-making. Contact us now to see which technology is right for you.