Vaisala LT31 User Manual

___________________________________________________________________________INDEX
VAISALA ______________________________________________________________________ 291
INDEX
A
Alignment 225
Alignment Quality Control 43
Auto-alignment 42
Fine alignment 231
Raw and fine alignment 226
B
Background luminance sensor LM21 61
baseline 23, 41, 70, 86, 87, 94, 110, 152, 157,
165, 191, 226, 234, 277, 282, 285, 287
Battery backup LTBB111 63
Battery charger QBR101 36, 37
C
Calibration 232
Auto-calibration 41
Visibility calibration 238
Commands 145
Communication options 78
D
Disassembly for transportation 144
E
Equipment grounding 72
Equipment nomenclature 35
Event log 160
F
Fine alignment 24, 193, 206, 207, 208, 213,
215, 218, 220, 222, 225, 226, 232, See
Foundation level differences 123
Functional description 39
H
Hardware description 45
Heated weather protection hood 110, 193, 200
Host interface 59
I
Installation 67
Installation procedure 85
Interface unit LTI111 55
Interface unit LTI211 55
Introduction to LT31 25
L
Linearity test 245
LT maintenance interface 132
LT31 key features 23
M
Main Menu 136, 156
Main receiver module LTD112 50
Main transmitter module LTL112 49
Maintenance 193
Master CPU LTC212 58
Measurement head CPU LTC112 53
Measurement range 165, 277
Menu-driven operation 156
Message formats 161
METAR messaging 152
MOR 40
O
Obstruction light LT31OBS 62
Operating principles 39
Operation 145
Optical filter set LTOF111 245
Optics unit receiver LTO212 48
Optics unit transmitter LTO112 48
P
Periodic maintenance 193
Cleaning instructions 194
Power supply FSP102 56
Preparing installation 67
Cable selection 73
Equipment grounding and lightning
protection 72
Selecting location 70
Unpacking instructions 70
Product overview 23
PWD forward scatter sensor 59
PWD sensor 241
R
Receiver measurement unit LTM212 47

Vaisala LT31 Specifications

General

Brand	Vaisala
Model	LT31
Category	Measuring Instruments
Language	English