Lufft CHM 8k, User Manual, Page: 70 / 72

Operating Manual CHM 8k
R1.7 / 01-2020
Index of Figures 70
12
Index of Figures
Figure 1 Safety labeling. ........................................................................................................................... 7
Figure 2 Functional chart, the numbers in brackets corresponds to the numbering in the spare parts
list (provided in the service manual or as an extra list). .......................................................12
Figure 3 Flow chart - standard measuring cycle. ...................................................................................13
Figure 4 Drilling template........................................................................................................................15
Figure 5 CHM 8k packed and in transport position (1: wooden crate, 2: pallet). ...................................16
Figure 6 The CHM 8k with Styrofoam or paper honeycomb packing pads. ...........................................16
Figure 7 Lifting positions and handle protection (edge protection profile). ............................................17
Figure 8 Transport with hand truck. ........................................................................................................17
Figure 9 Fixing elements. .......................................................................................................................18
Figure 10 Schematic sketch of the electrical installation. .......................................................................19
Figure 11 Electrical installation. ..............................................................................................................20
Figure 12 Grounding connection at pedestal of device. .........................................................................20
Figure 13 RS485 connection to transducer. ...........................................................................................21
Figure 14 Firefox browser for a connection with the CHM 8k (shown here with fixed IP address). .......24
Figure 15 Web interface. ........................................................................................................................48
Figure 16 Web interface: NetCDF files. ..................................................................................................49
Figure 17 Web interface: Viewer. ...........................................................................................................49
Figure 18 Web interface: Config Network (read-only, default mode) for a device with configured
static IP (eth0:1 custom). ......................................................................................................50
Figure 19 Web interface: Config Network (superuser). ..........................................................................50
Figure 20 Web interface: Config System upper part (superuser)...........................................................51
Figure 21 Web interface: Config system bottom section (superuser). ...................................................52
Figure 22 Web interface: RS485 configuration (superuser). ..................................................................52
Figure 23 Web interface: Process warnings and error log. AFD and NTP status are only visible if
AFD, NTP mode are set to 1. ...............................................................................................53
Figure 24 Normalized and calibrated backscatter signals of two different CHM 8k instruments. ..........57
Figure 25 Example of time averaging for determining cloud heights. ....................................................58
Figure 26 Cloud detection algorithm. .....................................................................................................58
Figure 27 Evaluation process for different cloud parameters. ................................................................59
Figure 28 Degree of coverage algorithm. ...............................................................................................61
Figure 29 Windows to be cleaned. .........................................................................................................64
Figure 30 Fan. ........................................................................................................................................65