Technical Data Lufft Ceilometer CHM 8k The LIDAR-based cloud height sensor / ceilometer CHM8k is prepared to work throughout the year and in any climate Parameters measured Aerosol backscatter profile, cloud base height, cloud penetration depth, aerosol layer height, cloud cover, vertical visibility, Sky Condition Index Measurement technology Optical (LIDAR) Product highlights Measuring range of up to 8 km (26.246 ft), simple & eye-safe, service-friendly due to modularity, various data telegrams, sensitivity in the range of the Lufft CHM 15k, suitable for the most demanding environments Interfaces RS485 (ASCII communication), LAN (Web-Interface, (S-)FTP, NetTools); optional: DSL modem, RS232 for service Article number 8349.01-010 The CHM 8k is the latest ceilometer from Lufft. Using the Lidar technique, it detects backscatter aerosol profiles / structure in multiple layers, cloud bases, cloud penetration depths as well as vertical visibility and issues the sky condition index. It has an operating range of up to 8,000m (26,200 ft) and is equipped with an integrated controller offering a fully embedded real-time calculation of all target parameters and comfortable user interfaces. The Lufft ceilometer series is prepared to work throughout the year and in any climate. Due to their double case structure combined with a window blower and an Page 1 Technical modifications and errors excepted - Created 03/03/2021 G. Lufft Mess- und Regeltechnik GmbH Fellbach, Deutschland

Technical Data Lufft Ceilometer CHM 8k automatic heating system, the ceilometers are free of fogging, precipitation, freezing or overheating issues. Measuring principle Measuring parameters Description Measuring range Cloud detection range Time resolution Range resolution Quality and auxiliary values Lidar (optical, time of flight) Aerosol backscatter profile 0 ... 10 km (0 ... 32,808 ft) 5 m ... 8 km (16 … 26,246 ft) 2 ... 600 s 5, 10, 15 m External and internal temperature, window status, laser status, receiver status Target parameters Quantities given in layers Cloud base height, cloud penetration...

Technical Data Lufft Ceilometer CHM 8k Laser protection class International standards 1M, IEC 60825-1:2014; complies with 21 CFR 1040.10 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007 IP65 EN 61326 - 1 Class B CE (230 VAC); 115 VAC version compatible with FCC/ CSA Complies with ICAO frangibility requirements Operating Conditions Temperature range Relative humidity Wind Physical Dimensions Weight Protection level housing Electrical Safety Certifications Page 3 Technical modifications and errors excepted - Created 03/03/2021 G. Lufft Mess- und Regeltechnik GmbH Fellbach,...