Ceilometer CL31 & CL51 for Urban & Industrial Systems Enabling modern urban and industrial operations through outstanding pollutant and weather awareness. Crucial insights for air quality programs Air pollution and urban emissions are critical factors to any urban or industrial air quality program. Fortunately, modern ceilometer technology is rapidly expanding the range of insights available to planners, officials, and companies. CL31 and CL51 are leading the way as the most trusted, reliable ceilometers in the industry. Both ceilometer models provide crucial insights and enable more proactive, informed operations: Concrete, real-time assessment of vertical dilution, emission travel and density, and weather influences Automatic algorithm for online retrieval of boundary layer depth and additional residual structures Convenient visualizations and actionable insights with Vaisala BL-VIEW Increased understanding of interactions between pollutants and meteorological factors Resources Product Spotlight Ceilometer CL31 Capture accurate, reliable cloud base height, and vertical visibility data on multiple cloud layers to 25,000 feet (7.6 km). Download PDF Datasheet Ceilometer CL31 See technical data for this compact and lightweight instrument for cloud base height and vertical visibility measurements. Download PDF Product Spotlight Ceilometer CL51 Explore high-range cirrus cloud height detection with a range up to 15 km (49,200 ft). Download PDF Datasheet Ceilometer CL51 Get more detail about how CL51 measures high‑range cirrus cloud heights in harsh conditions. Download PDF Additional resources Access additional information about CL31 and CL51 Find additional resources, applications and information about CL31 and CL51 here. Additional resources Success stories Royal Meteorological Institute of Belgium Relies on Vaisala for Critical Air Quality Data SUCCESS STORY: The Royal Meteorological Institute of Belgium gains 24-hour visualization of current and near future air quality. Read more Industry Applications General CL31 & CL51 Information Get to know Ceilometers CL31 and CL51 and how they deliver fast, accurate cloud and visibility detection for a range of applications. Learn more Aviation Applications Dramatically improve airport operations, flight safety, and operational continuity with full atmospheric awareness. Learn more Meteorology Applications Create more accurate forecasting and environmental awareness, protecting people and communities. Learn more Get Started with Ceilometer CL31 & CL51 Take your urban or industrial operations to the next level with the most trusted, reliable ceilometers available. Contact us now to discuss which Vaisala ceilometer is right for your project. Contact us
