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VAISALA________________________________________________________________________ 5
List of Tables
Table 1 Manual Revisions.......................................................................7
Table 2 Related Manuals ........................................................................7
Table 3 Specifications for the Grounding Terms...................................11
Table 4 Vaisala Ceilometer CL31 Main Parts .......................................19
Table 5 Vaisala Ceilometer CL31 Optional Parts.................................. 19
Table 6 Factory Defaults of User-Programmable Parameters..............42
Table 7 Sky Cover Values from the Sky Condition Algorithm...............50
Table 8 User Level Commands.............................................................58
Table 9 Advanced Level Commands ....................................................60
Table 10 Messages with 10 m Resolution (Standard Mode) ..................63
Table 11 Messages with 5 m Resolution (High Resolution) ...................64
Table 12 Error Group Definition ..............................................................85
Table 13 Error Group 1 (Byte 83)............................................................85
Table 14 Error Group 2 (Byte 84)............................................................85
Table 15 Error Group 3 (Byte 85)............................................................85
Table 16 Error Group 4 (Byte 86)............................................................86
Table 17 Error Group 5 (Byte 87)............................................................86
Table 18 Error Group 6 (Byte 88)............................................................86
Table 19 Error Group 7 (Byte 89)............................................................86
Table 20 Command Telegram Description 'Polling Request'..................90
Table 21 CL31 Status, Warnings ............................................................99
Table 22 CL31 Status, Alarms ..............................................................100
Table 23 CL31 Status, Miscellaneous Problems ..................................101
Table 24 Available Spare Parts.............................................................103
Table 25 Ceilometer CL31 Mechanical Specifications.......................... 127
Table 26 Window Blower.......................................................................127
Table 27 Power Input ............................................................................128
Table 28 Data Line................................................................................129
Table 29 Maintenance Line...................................................................130
Table 30 Modem Module DMX501 Specifications ................................131
Table 31 Transmitter Specifications...................................................... 131
Table 32 Receiver Specifications..........................................................131
Table 33 Optical System Specifications................................................132
Table 34 Performance Specifications....................................................132
Table 35 Environmental Conditions Specifications...............................132