Vaisala LT31 - Figure 46 Receiver Installation Parts

Chapter 4 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 93
- Weather protection hood
- Measurement head cover
- Upper interface unit cover
- Lower interface unit cover
Later on these parts are also needed:
- Maintenance cable
- Optical blocker
See Figure 46 below.
0401-071
Figure 46 Receiver Installation Parts
For the receiver installation, the following parts are optional:
- Background Luminance Sensor LM21.
- Support arm, mounting bracket and cable for LM21.
- Junction box with enhanced overvoltage protection for signal and AC
lines (type TERMBOX-1200).
- Obstruction Light (type LT31OBS) .
- Enhanced weather protection hood (for details, refer to LT31
Enhanced Weather Protection Hoods Installation Guide in section
Related Manuals on page 16)