Vaisala LT31 User Manual

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VAISALA _______________________________________________________________________ 11
Figure 112
PWD Hardware Structure....................................................... 195
Figure 113 PWD Sensor Lenses.............................................................. 196
Figure 114 Particle Filter Holder............................................................... 200
Figure 115 Particle Filter ..........................................................................200
Figure 116 Replacing Fuses..................................................................... 202
Figure 117 LTC212...................................................................................204
Figure 118 DMX501.................................................................................. 204
Figure 119 LTC212 with Optional Modem DMX501................................. 205
Figure 120 Receiver Measurement Unit Opened..................................... 208
Figure 121 Transmitter Measurement Unit Opened................................. 210
Figure 122 Fastening Screws of LTC112................................................. 212
Figure 123 Fastening Screws of LTL212 ................................................. 214
Figure 124 Securing Screw of LTL112..................................................... 217
Figure 125 Securing Screws of LTD112 .................................................. 219
Figure 126 Fastening Screws of Blower Unit ........................................... 221
Figure 127 Backup Battery ....................................................................... 223
Figure 128 Alignment Menu ..................................................................... 225
Figure 129 Moving the Axes to Mid-position ............................................ 227
Figure 130 Scanning Axes during Raw and Fine Alignment.................... 230
Figure 131 Scanning Axes during Fine Alignment ................................... 232
Figure 132 Calibration Menu ....................................................................233
Figure 133 Optical Blocker Mounted on Receiver Support Unit............... 235
Figure 134 Offset Calibration.................................................................... 236
Figure 135 Visibility Calibration ................................................................ 237
Figure 136 Choosing MOR Reading ........................................................ 238
Figure 137 Visibility Calibration ................................................................ 239
Figure 138 Choosing MOR Reading ........................................................ 239
Figure 139 PWD Sensor Menu................................................................. 241
Figure 140 PWD Sensor Menu, CLEAN Command................................. 242
Figure 141 PWD Maintenance Interface ..................................................245
Figure 142 Filter Holder Mounted to the Receiver Support Unit .............. 246
Figure 143 Linearity Test Menu................................................................246
Figure 144 Linearity Test Menu, Filter Applied......................................... 249
Figure 145 Linearity Test Menu, Reference Update ................................250
Figure 146 Service Menu on User Command Level ................................ 251
Figure 147 Service Menu on Advanced Command Level........................ 251
Figure 148 Switching Off Receiver Unit/Blower .......................................255
Figure 149 Decreasing Main Transmitter Modulation Frequency ............ 257
Figure 150 Setting Main Transmitter Modulation Frequency to 994 Hz... 257
Figure 151 Setting Main Receiver Response Time to Fast...................... 260
Figure 152 Positioning Drilling Holes........................................................ 283
Figure 153 Frangible Mounting Rod and Foundation Screws.................. 284
Figure 154 Extension Pole Mounting........................................................ 285
Figure 155 Vertical Extension Pole Alignment ......................................... 286
Figure 156 Tightening Nuts ...................................................................... 287
Figure 157 LTEP100/200 Installation ....................................................... 288

Vaisala LT31 Specifications

General

Brand	Vaisala
Model	LT31
Category	Measuring Instruments
Language	English