Vaisala WAA151 Installation Manual Page 72
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Installation Manual __________________________________________________________________
70 ___________________________________________________________________ M010114en-B
Snow Level
The DCU7210 Snow Level Sensor should be located in an area where
snow will not be disturbed and drifting is not likely to occur. The
measurement area should be sheltered from the wind as much as
possible. The best sites are often found in clearings within forests or
orchards, among trees, in scrub or shrub forests, or where other
objects act as an effective wind-break for winds from all directions.
Fuel Moisture
QFM101 Fuel Moisture Sensor can monitor the moisture conditions
on the forest floor only if it can absorb and give up moisture near a
fair sample of the material that is naturally present. It must exchange
moisture with the air in essentially the same way that the forest floor
materials do.
Mount the sensor on the south side of the tower (or the north side in
the southern hemisphere) so that it is not shadowed by the tower. If
possible, arrange that the sensor is exposed to sunlight for at least six
hours in the middle of the day. Make sure that no grass or other
vegetation touches the sensor; these can transfer moisture directly.
The sensor must be installed approximately one week before it can
give an accurate reading of the fuel moisture on the forest floor.
Weather Sensor
FD12P should be located in a way that the site has a minimum
clearance of 100 m from all large buildings and other constructions
that generate heat and/or obstruct precipitation droplets. Shade from
trees may effect the microclimate and should therefore be avoided.
The site should be free of obstacles and reflective surfaces disturbing
the optical measurement, as well as obvious sources of contamination.
- INSTALLATION 1
- Table of Contents 3
- CHAPTER 3 5
- CHAPTER 4 5
- List of Figures 7
- List of Tables 9
- GENERAL INFORMATION 11
- ESD Protection 14
- Version Information 14
- Related Manuals 15
- Getting Help 15
- Warranty 16
- PRODUCT OVERVIEW 17
- MAWS301 18
- 0101-011 19
- Product Nomenclature 20
- MAWS Software 22
- Operating Software 22
- Lizard Setup Software 22
- MAWS Terminal 22
- BOX501 Enclosure 23
- 0202-001 24
- QML102 AWS Logger 25
- 0105-002 26
- Memory Expansion Board 27
- (Optional) 27
- Power Supplies 28
- Solar Panels 28
- 0105-005 29
- Backup Battery and Regulator 30
- AC Power Supply (Optional) 31
- Wind Sensors 32
- 0105-012 33
- 0105-013 34
- WAS425A/WAS425AH 35
- Air Temperature and Relative 36
- Humidity Sensor 36
- Pressure Sensor 36
- Precipitation Sensors 37
- 0105-017 38
- 0105-018 39
- Solar Radiation Sensors 40
- 0105-021 41
- 0105-022 42
- 0105-023 42
- 0105-024 43
- 0105-025 43
- Soil Temperature Sensors 44
- 0106-041 45
- Soil Moisture Sensor 46
- Water Level Sensors 46
- 0105-029 47
- 0202-003 48
- Leaf Wetness Sensor 49
- Fuel Moisture Sensor 50
- 0105-032 52
- 9608-041 53
- 0105-033 53
- Communication Devices 54
- Modem DMX501 55
- Satellite Transmitters 56
- 0105-036 57
- 0105-035 58
- 0202-004 58
- GSM Data Modem 59
- Optional Communication 60
- Equipment 60
- Accessories 60
- Surge Arrester 60
- Handheld Terminal 61
- GPS Time Synchronizing Unit 62
- Installation Accessories 62
- Support Arms 63
- Connector Adapters 64
- WHP25 Power Supply 65
- SELECTING LOCATION 67
- Precipitation 68
- Solar Radiation 69
- Soil Temperature 69
- Soil Moisture 69
- Water Level 70
- Placement of QMV101/QMV102 70
- Placement of DCU7110 71
- Snow Level 72
- Fuel Moisture 72
- Weather Sensor 72
- Installation Procedure 76
- Mounting the Sensor Arms 76
- 0202-008 77
- Installing Solar Panel 78
- Installing Sensors 80
- 9901-005 81
- 0202-009 83
- 0002-024 84
- Secondary 86
- 0105-059 86
- 0003-010 87
- 0003-013 89
- 0105-060 91
- 0105-061 92
- 0201-035 93
- 0002-010 93
- 0002-011 94
- 9901-011 95
- 0201-036 95
- 0201-037 96
- 9902-004 96
- 0105-062 97
- 9806-015 98
- 0201-040 100
- 0202-011 101
- 0105-067 101
- 0202-012 102
- 0105-069 103
- 9901-012 104
- 0106-039 105
- 0106-038 105
- 0106-042 106
- 0105-087 107
- 0105-088 108
- 0202-013 109
- 0202-010 111
- 0105-070 113
- 0105-071 113
- 0105-072 113
- 0201-041 115
- Smart Sensors 117
- Communication Modules 117
- 0105-055 118
- 0201-048 120
- 0201-049 121
- 0201-050 121
- 0202-014 122
- 0202-015 123
- 0202-016 124
- 0202-017 125
- 0202-018 126
- 0202-019 127
- 0202-020 128
- 0105-074 129
- 0105-075 129
- 0105-077 130
- 0105-078 130
- 0202-021 131
- 0202-022 132
- 0202-006 133
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