Home | About Us | Products | Services | Careers | Contact Us | Resources | Testimonials   Barometric Pressure Carbon Dioxide Transmitters Humidity and Dew Point Transmitters Moisture in Oil Transmitters Continuous Monitoring System Automatic Weather Stations Sounding Systems and Radiosondes Thunderstorm / Lightning Detection Systems Weather Radars Ceilometers Sensors     Under Construction..   Click here to continue. Products » By Manufacturer » Vaisala » Ceilometers » Vaisala Ceilometer CL31 Vaisala Ceilometer CL31 Second generation of advanced single lens optics provides excellent performance also at low altitudes Reliable operation in all weather: unsurpassed performance in vertical visibility and cloud detection during precipitation Fast measurement enables detection of thin cloud layers below a solid cloud base Modular design for easy installation and maintenance Extensive self-diagnostics with fault analysis Approved and deployed by the US-FAA Selected by the National Weather Service of USA To request more information, please fill the form below. First Name: Last Name: Title: Company: Address: City: E-mail: Phone: - Comments: