Orion Car Audio 420 - Manual (Page 7)

Orion 420 Weather Station 7
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Columbia Weather Systems, Inc.
Table of Contents
WELCOME! -------------------------------------------------------------- 3
IMPORTANT NOTICE: SHIPPING DAMAGE ----------------- 5
ESD P ROTECTION ............................................................................................. 6
SECTION 1: INTRODUCTION ------------------------------------- 9
T HE O RION 420 W EATHER S TATION ................................................................. 9
S PECIFICATIONS .............................................................................................. 10
Operating Conditions................................................................................. 10
Wind Speed ................................................................................................ 10
Wind Direction........................................................................................... 10
Relative Humidity....................................................................................... 10
Temperature............................................................................................... 11
Barometric Pressure .................................................................................. 11
Precipitation .............................................................................................. 11
Input Voltage.............................................................................................. 11
Sensor Housing .......................................................................................... 12
Serial to Analog Converters....................................................................... 12
P RINCIPLES OF M EASUREMENTS ..................................................................... 13
Wind Measurement .................................................................................... 13
Pressure, Temperature, and Relative Humidity (PTU) Module................. 14
Rainfall Measurement ................................................................................ 15
SECTION 2: PHYSICAL DESCRIPTION ---------------------- 17
O RION S ENSOR T RANSMITTER ........................................................................ 17
Sensor Transmitter Components ................................................................ 17
Mounting Adapter ...................................................................................... 19
Internal Terminal Block ............................................................................. 19
Heating (Optional)..................................................................................... 21
O
RION
420 E
NCLOSURE
.................................................................................. 22
S URGE /L IGHTNING P ROTECTORS .................................................................... 23
SECTION 3: INSTALLATION ------------------------------------ 25
W EATHER S TATION S YSTEM C ONFIGURATIONS ............................................. 25
I NSTALLATION O VERVIEW .............................................................................. 26
U NPACKING THE U NIT .................................................................................... 26
Installing the Orion Sensor Transmitter .................................................... 27
Site Selection.............................................................................................. 27
Installing the Mounting Adapter ................................................................ 27
North Alignment......................................................................................... 28
Installing the Mast ..................................................................................... 28
Location ..................................................................................................... 29