Vaisala CL31 User Manual

USER'S GUIDE____________________________________________________________________
4 ___________________________________________________________________ M210482EN-D
List of Figures
Figure 1 Location of Laser Aperture on Ceilometer CL31......................12
Figure 2 Vaisala Ceilometer CL31..........................................................18
Figure 3 Ceilometer CL31 Measurement Unit Main Parts......................20
Figure 4 Foundation Construction ..........................................................24
Figure 5 Measurement Unit Handle........................................................26
Figure 6 Removing and Attaching the Measurement Unit......................28
Figure 7 Mounting the Shield..................................................................29
Figure 8 Tilting the Ceilometer................................................................30
Figure 9 Ceilometer CL31 Bird Deterrent ...............................................32
Figure 10 Assembling the Battery.............................................................33
Figure 11 External Connectors (Bottom View) .........................................34
Figure 12 Data Line Modem Connection..................................................36
Figure 13 Data Line RS-485 Connection..................................................37
Figure 14 Data Line RS-232 Connection..................................................38
Figure 15 Ceilometer Engine Board CLE321 ...........................................40
Figure 16 CL31 Switches..........................................................................41
Figure 17 Typical Measurement Signal ....................................................44
Figure 18 Basic Operation of CL31 Sky Condition Algorithm in a 2D
Time-Height Domain.................................................................50
Figure 19 Control Flow of Sky Condition Algorithm..................................51
Figure 20 Operation Modes......................................................................55
Figure 21 Open and Closed Port..............................................................57
Figure 22 CL31 Maintenance Parts........................................................104
Figure 23 Window CLW311....................................................................106
Figure 24 Laser Transmitter CLT321......................................................108
Figure 25 Receiver CLR321 ...................................................................109
Figure 26 Ceilometer Engine Board CLE321 .........................................111
Figure 27 No-break Battery 4592 ...........................................................113
Figure 28 AC Power CLP311 .................................................................115
Figure 29 Window Blower CLB311-115 / CLB311-230 ..........................118
Figure 30 Internal Heater CLH311-115 / CLH311-230...........................119
Figure 31 Laser Monitor Board CLM311 ................................................121
Figure 32 Modem Module DMX501........................................................124
Figure 33 DMX501..................................................................................125
Figure 34 Pin Connections of Connector J4...........................................130
Figure 35 CL31 Bird Deterrent Installation .............................................133
Figure 36 Bird Deterrent in Detail ...........................................................134
Figure 37 Blood Knot Instructions...........................................................135

Vaisala CL31 Specifications

General

Brand	Vaisala
Model	CL31
Category	Measuring Instruments
Language	English