Specifications

UT10 Table of Contents
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1. General ......................................................................1-1
1.1 Installation Tasks.................................................................................. 1-1
1.1.1 Indoors ........................................................................................ 1-1
1.1.2 Outdoors...................................................................................... 1-1
1.2 Tools Required ..................................................................................... 1-2
1.2.1 Tools for Tower Installation ....................................................... 1-2
1.2.2 Tools for Instrumentation and Maintenance ............................... 1-2
1.2.3 Supplies for Power and Communications Options ..................... 1-3
1.3 Siting and Exposure.............................................................................. 1-3
1.3.1 Wind Speed and Direction .......................................................... 1-3
1.3.2 Temperature and Relative Humidity........................................... 1-3
1.3.3 Precipitation ................................................................................ 1-4
1.3.4 Solar Radiation............................................................................ 1-4
1.3.5 Soil Temperature......................................................................... 1-4
1.3.6 Siting References ........................................................................ 1-5
1.4. Specifications....................................................................................... 1-6
2. UT10 Tower Installation ...........................................2-1
2.1 UT10 Tower Installation....................................................................... 2-1
2.1.1 Base Installation.......................................................................... 2-1
2.1.2 Tower Installation ....................................................................... 2-3
2.1.3 UT10 Tower Grounding ............................................................. 2-4
2.2 Sensor Mounting Brackets.................................................................... 2-5
2.2.1 Crossarm Mounting .................................................................... 2-5
2.2.1.1 CM202, CM204, CM206 Crossarms ................................ 2-5
2.2.1.1 019ALU Crossarm ............................................................ 2-5
2.2.2 Gill Radiation Shields (41303-5A, 41003-5, 41005-5) .............. 2-6
2.2.3 CM225 Pyranometer Stand......................................................... 2-7
3. Instrumentation Installation.....................................3-1
3.1 Enclosure, Datalogger, Power Supply .................................................. 3-1
3.1.1 Enclosure .................................................................................... 3-1
3.1.2 Datalogger and Power Supply .................................................... 3-3
3.1.3 BPALK Alkaline Power Supply ................................................. 3-3
3.1.4 PS100 Rechargeable Power Supply............................................ 3-4
3.1.5 Solar Panel .................................................................................. 3-4
3.2 Sensor Connection................................................................................ 3-6
3.3 Communication and Data Storage Peripherals ..................................... 3-7
3.3.1 CFM100, NL115, or NL120 ....................................................... 3-7
3.3.2 COM220 Phone Modems ........................................................... 3-7
3.3.3 Cellular Transceivers .................................................................. 3-8
3.3.4 SRM-5A Rad Modem and SC932A Interface ............................ 3-9
3.3.4.1 SRM-5A at the Datalogger................................................ 3-9
3.3.4.2 SRM-5A at the Computer.................................................. 3-9
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