仪器简介：

维萨拉CL31 激光云高仪：在任何天气条件下的7500米（25，000英尺）的高度内，它出色的表现和可靠性无可比拟。采用先进的单镜头设计，具有优异的低空探测性能。美国国家气象服务局选用产品。

技术参数：

维萨拉CL31 激光云高仪：

Performance :
Measurement range:0...25,000 ft ((0...7.5 km) ,Reporting resolution:5 m /10 ft (units selectable) ,Measurement cycle:programmable, 2...120 s

Reported quantities:Cloud hits (up to 3 layers) and status information
Cloud hits, status and backscatter profile 

Operating environment:

Temperature:-40...+60 °C (-40...+140 °F) ,Relative humidity:0...100 %RH,Wind:55 m/s

主要特点：

维萨拉CL31 激光云高仪：

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