Capricorn 2000EX Weather Station 1 ___________________________________________________________________ Capricorn 2000EXTM Weather Station User Manual Version 1.08 Serial Number: ___________________ Date Purchased: _________________ All specifications subject to change without notice. Printed in U. S. A. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ © Copyright 1997, 2012 Columbia Weather Systems, Inc. All Rights Reserved. Proprietary Notice: Capricorn 2000, Capricorn 2000MP, Capricorn 2000EX, Weather Display Console, and Weather MicroServer are trademarks of Columbia Weather Systems, Inc. The information and drawings contained herein are the sole property of Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 3 ___________________________________________________________________ Welcome! Congratulations on your purchase of the Capricorn 2000EX Weather Station. The Capricorn 2000EX is a precision instrument that requires proper installation and a certain amount of regular maintenance. Please read this manual completely prior to installation. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 5 ___________________________________________________________________ Important Notice: Shipping Damage BEFORE YOU READ ANY FURTHER, please inspect all system components for obvious shipping damage. The Capricorn 2000EX is a high precision instrument and can be damaged by rough handling. Your unit was packaged to minimize the possibility of damage in transit. Therefore, we recommend that you save the shipping container for any future shipment of your Capricorn unit.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 7 ___________________________________________________________________ Table of Contents WELCOME! ..................................................................................3 IMPORTANT NOTICE: SHIPPING DAMAGE .......................5 SECTION 1: INTRODUCTION ................................................11 THE CAPRICORN 2000EX SYSTEM ................................................................. 11 SPECIFICATIONS....................................................
Capricorn 2000EX Weather Station ___________________________________________________________________ INSTALLING ADDITIONAL TEMPERATURE SENSORS ........................................ 34 TEMPERATURE SENSOR INITIALIZATION ......................................................... 34 INSTALLING THE WIND SENSOR...................................................................... 36 Assembling the Wind Speed Sensor............................................................ 36 Installing the Mast ...........
Capricorn 2000EX Weather Station 9 ___________________________________________________________________ SECTION 6: CALIBRATION....................................................65 CALIBRATING THE BAROMETRIC PRESSURE SENSOR ...................................... 65 Altitude Setting........................................................................................... 65 Optional Calibration Procedure ................................................................ 65 CALIBRATING THE WIND SENSOR ........
Capricorn 2000EX Weather Station ___________________________________________________________________ Solar Radiation .......................................................................................... 80 Wind Chill .................................................................................................. 80 UNIT CONVERSION ......................................................................................... 81 Speed......................................................................
Capricorn 2000EX Weather Station 11 ___________________________________________________________________ SECTION 1: INTRODUCTION The Capricorn 2000EX System The Capricorn 2000EX is a modular-design weather station providing commercial-level data capture, storage, and transfer. The system is designed around the Control Module which is housed in a compact utility-grade enclosure powered by a wall mount transformer. The module accepts signal inputs from a wide range of meteorological sensors.
Capricorn 2000EX Weather Station ___________________________________________________________________ Type: Sealed reed switch Accuracy: ± 0.25 mph from 0 to 23 mph, ± 1% from 24 to 160 mph Range: 0 to 160 mph (139 knots) Resolution: 1 mph Starting Threshold: 0.
Capricorn 2000EX Weather Station 13 ___________________________________________________________________ Solar Radiation (Pyranometer) (Channel X1) Type: high performance silicon photodiode Cosine Response: 45° zenith angle ± 1%, 75° zenith angle ± 5% Absolute Accuracy: ± 5% Uniformity: ± 3% Repeatability: ± 1% Sensitivity: Custom calibrated to exactly 5.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 15 ___________________________________________________________________ SECTION 2: PHYSICAL DESCRIPTION Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Control Module The Control Module consists of the System board housed in a utilitygrade enclosure with access to the sensor connections (terminal block), RS-232 ports and power connection through the back panel. The System board has an on-board barometric pressure sensor and a system fuse (including a spare fuse).
Capricorn 2000EX Weather Station 17 ___________________________________________________________________ Back Panel All connections are made at the back panel of the Control Module. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Wind sensor Note: Please refer to the Met One 034B wind sensor user manual for detailed installation, calibration and maintenance information The Model 034B Wind Sensor combines wind speed and direction measurements into a single sensing unit. The 034B Wind Sensor installs in minutes and will provide accurate, long term, continuous monitoring in hostile environments.
Capricorn 2000EX Weather Station 19 ___________________________________________________________________ Wind sensor components The wind sensor consists of four parts: 1. Sensor body 2. Vane 3. Alignment adapter 4. 50 feet of Cable with quick disconnect Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Temperature sensor The Capricorn 2000EX includes one temperature sensor with 50 feet of cable and a quick disconnect connector set. Up to four temperature sensors can be connected with a maximum of 400 feet combined cable length. These digital, semiconductor-type probes all connect to a single port, reducing susceptibility to noise interference, reducing cost, and increasing accuracy.
Capricorn 2000EX Weather Station 21 ___________________________________________________________________ Relative Humidity sensor This optional capacitive relative humidity sensor is compact and easy to use. It can be easily installed in a self-aspirating radiation shield for protection from the sun and rain. This sensor offers long-term stability with minimal drift. Because the sensor is a capacitive device, it will not be affected by surface contamination in unclean environments.
Capricorn 2000EX Weather Station ___________________________________________________________________ Rain gauge (optional) This optional tipping bucket rain gauge is composed of a complex spun collector funnel with a knife-edge that diverts the water to a tipping bucket mechanism. For each tip, a magnet causes an electronic pulse to be generated and is recorded by the Control Module.
Capricorn 2000EX Weather Station 23 ___________________________________________________________________ Leaf wetness sensor (optional) Measured with a capacitance grid, this leaf wetness sensor is manufactured by Columbia Weather Systems to provide a precise, high resolution scale - not just wet or dry. It is useful to determine the wetness condition of surfaces such as foliage, for example, in preparation for spraying pesticides. The leaf wetness sensor measures the percentage of wetness where 0.
Capricorn 2000EX Weather Station ___________________________________________________________________ Solar Radiation Sensor –Pyranometer (Optional) This sensor is designed for routine measurement of global hemispherical solar radiation under all weather conditions. The sensor has a rugged uni-body design, which houses a high performance silicon photodiode detector mounted beneath a conical shaped (self-cleaning) diffuser.
Capricorn 2000EX Weather Station 25 ___________________________________________________________________ WeatherMaster Software WeatherMaster is a professional grade weather monitoring software. This software package is designed for specialized markets that require robust weather calculations, interoperability with computer models, and data interfaces to other industrial systems. WeatherMaster utilizes Microsoft Access database for easy data access and manipulation. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Weather View 32 Software Operating in Windows graphic environment, Weather View 32 monitors, records, and stores local weather data for current or future analysis.
Capricorn 2000EX Weather Station 27 ___________________________________________________________________ Weather Display Console (Optional) Displays weather information • Designed to be viewed clearly from a distance • Industrial grade WVGA touchscreen Seven-inch, TFT color LCD panel with 800 x 480 pixel resolution.
Capricorn 2000EX Weather Station ___________________________________________________________________ Weather MicroServer No longer does weather station connectivity require a dedicated computer with its requisite maintenance, virus-protection and operating system upgrades. The Weather MicroServer is a self-contained, proprietary system utilizing the Linux operating system.
Capricorn 2000EX Weather Station 29 ___________________________________________________________________ SECTION 3: INSTALLATION Wiring and Color Code Terminal # Wire Color Description Temperature 1 RED +5V 2 BARE Ground 3 BLACK Temperature Signal Wind Speed 4 N/C No Connection 5 BLACK Ground 6 RED Wind Speed Signal 7 N/C No Connection 8 N/C No Connection 9 N/C No Connection 10 N/C No Connection 11 N/C No Connection 12 N/C No Connection Rainfall 13 N/C No Connection 14 RED Rain Signal 15 BLACK Ground Rel
Capricorn 2000EX Weather Station ___________________________________________________________________ Installation Overview Unpacking the Unit Installing the Control Module Installing the Barometric Pressure Sensor Installing the Temperature Sensors Temperature Sensor Initialization Installing optional Self-Aspirating Radiation Shield Installing the Optional Humidity Sensor Installing Wind Sensor Installing the Optional Rain Gauge Sensor Installing the Optional Leaf Wetness Sensor Installing the Optional
Capricorn 2000EX Weather Station 31 ___________________________________________________________________ Mast: Height above structure: Minimum 5 ft., recommended 10 ft. For Roof Mount “Cold Patch” Roofing Tar 50' Guy Wire Roof Anchor Mount Guy Ring & Collar (3-4) Eye Bolt Screws For Wall Mount (2) 4" Wall Mount Bracket Assembly. (4) Bracket Mounting Screws Optional Items Surge Suppressor Unpacking the Unit Unpack the Capricorn 2000EX weather station and verify that all parts are included.
Capricorn 2000EX Weather Station ___________________________________________________________________ Installing the Barometric Pressure Sensor The barometric pressure sensor is located inside the Control Module; no user installation is required. The sensor does need to be calibrated for altitude, however. Please refer to Section 6: Calibration for the procedure of setting the altitude. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 33 ___________________________________________________________________ Installing the Temperature and Humidity Sensors The temperature and relative humidity sensors should be mounted in a sheltered area, preferably on the north side of a building. Insert both humidity and temperature sensors in the radiation shield to the midway point and secure both cables to the plastic fastener on the mounting bracket using the provided tiewrap.
Capricorn 2000EX Weather Station ___________________________________________________________________ Using a small straight screw driver, attach the temperature cable to the back of the Control Module as follows: Red Wire - Terminal #1 Bare Wire - Terminal #2 Black Wire - Terminal #3 Using a small straight screw driver, attach the humidity cable to the back of the Control Module as follows: Red Wire - Terminal #16 Bare Wire - Terminal #17 Black Wire - Terminal #18 Installing additional Tempe
Capricorn 2000EX Weather Station 35 ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Installing the Wind Sensor Assembling the Wind Speed Sensor Note: Please refer to the Met One 034B wind sensor user manual for detailed installation, calibration and maintenance information Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 37 ___________________________________________________________________ 1. Install Vane A. Fully insert vane arm into hub B. Align vane with center axis of sensor C. Using 7/64” Allen wrench, tighten set screw thru top of hub 2. Sensor Installation A. Install alignment adapter onto sensor base with socket head cap screw B. Place sensor with adapter on tip of mast C. Rotate entire sensor until vane tail points to “true North” D.
Capricorn 2000EX Weather Station ___________________________________________________________________ Installing the Mast The Capricorn 2000EX will measure wind speeds of up to 160 mph (257 km/h). However, unless the Wind Sensor Assembly is properly mounted to withstand such high winds, this capability is useless. Please read these instructions carefully to insure a safe and reliable installation.
Capricorn 2000EX Weather Station 39 ___________________________________________________________________ Avoid routing the cable near metal windows, metal door frames, metal gutters, or on a metal tower. Any mast or tower should always be properly earth grounded to minimize electrical storm damage. Use insulated standoffs (user supplied, see Section 4) when routing cable to help avoid electrical storm damage. CAUTION - There may be electric wires in the wall.
Capricorn 2000EX Weather Station ___________________________________________________________________ Installing the Rain Gauge Sensor Safety Note: The top rim of the rain gauge sensor is EXTREMELY sharp. Handle the rim with great care. Evaluate the proposed sensor location as compared to the cable length supplied. The rain gauge is supplied with a standard 50-foot cable. The cable provided is a 22 gauge, 2 conductor shielded cable with a ground drain lead.
Capricorn 2000EX Weather Station 41 ___________________________________________________________________ Installing the Leaf Wetness Sensor Evaluate the proposed sensor location as compared to the cable length supplied. In order to obtain an accurate reading, mount the Leaf Wetness Sensor in an exposed area. Once the Leaf Wetness Sensor has been mounted, route the cable back to the Control Module. The leaf wetness sensor is supplied with a standard 50-foot cable.
Capricorn 2000EX Weather Station ___________________________________________________________________ Connecting the Control Module to a Computer Connect the computer RS-232 port to the Serial Aux port on the Control Module using an RS-232 Computer Cable (Cat. No. 8239). Connect the Weather Display Console to the Modem port on the Control Module using an RJ-11 cable (Cat. No. 8238). Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 43 ___________________________________________________________________ Connecting the Control Module to the Weather MicroServer Connect COM1 on the MicroServer to the Serial Modem port. The Serial Modem port should be configured to output 1 XFER data on power up. This configuration is normally performed at the factory. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Connecting the Control Module to a Modem Connect a modem to the Modem Port of the Control Module using an RS-232 Modem Cable (Cat. No. 8237). Connecting the Control Module to Computer and Modem If both a computer and a modem are to be connected to the Control Module, connect the modem to the Modem Port using an RS-232 Modem Cable (Cat. No.
Capricorn 2000EX Weather Station 45 ___________________________________________________________________ Using Wireless Transceivers The Capricorn 2000EX Control Module can be connected to a wireless transceiver to communicate with a computer or a Weather Display. The standard wireless transceiver is a 2.4 GHz radio with a 2-mile lineof-site range. Connect the transceiver to the Modem Port (or the Aux. port) of the Control Module using an RS-232 Cable.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 47 ___________________________________________________________________ SECTION 4: OPTIONAL SENSOR MOUNTING HARDWARE Fiberglass and steel 10-foot masts are available for use with either Roof Mounting Hardware Kit (Cat. No. 88002) or Wall Mounting Kit (Cat. No. 88003). A 10-foot free standing tripod is also available. Roof Mounting The Roof Mounting Kit (Cat. No. 88002) is suitable for both a slanted and flat roof installation.
Capricorn 2000EX Weather Station ___________________________________________________________________ 1/4" x 4" (for shake roofs *Lag Screw, Roof Mast Mount 4 3 88030 *Guy Ring and Collar 1 4 88040 *Cable Standoffs, Wood Screw 4 5 88050 Cable Standoffs, Nail-In (for masonry application) 2 5 88060 Guy Wire Clamps, 1/8" 3 (not shown) 88070 *Steel Guy Wire, Galvanized 50 ft.
Capricorn 2000EX Weather Station 49 ___________________________________________________________________ Wall Mounting The figure and table below illustrates and describes the individual parts in the Wall Mounting Kit (Cat. No.88003). Items included in the kit are marked with an asterisk (*). Individual parts are also available. Description Pkg. Ref Catalog No. Mast, 10 ft.
Capricorn 2000EX Weather Station ___________________________________________________________________ Wall Feed Through Tube 1 10 88130 *Cable Feed Through Bushings 4 10 88140 Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 51 ___________________________________________________________________ Tripod The tripod is designed to provide up to 10 feet of stable, secure support for your meteorological sensors. The tripod is constructed from welded aluminum and is anodized for appearance and longevity. The 15-pound tripod can easily support up to Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ 60 pounds of equipment. An optional tie-down kit allows for additional security in high-wind areas. Set up takes less than five minutes. Simply insert the legs into the main body and install the stainless steel retainer pins. Extend the mast to the desired height and insert another retainer pin. Install the guy wires and you’re ready to go! Specifications Capacity: Supports up to 60 lbs.
Capricorn 2000EX Weather Station 53 ___________________________________________________________________ Tripod, 10 foot (Catalog No. 88019) Parts List: Item # Description Qty 1 Body/Mast Assembly 1 2 Legs 3 3 4 Retainer Pins 4 Guy Wire Ring with 1 3 Wires and Turnbuckles Tiedown Kit Parts List: Item # Description Qty 5 Anchor Screw with Chain 1 6 Clamp with Strap 1 7 Retainer Pin 1 Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 55 ___________________________________________________________________ Section 5: Operation The Capricorn 2000EX communicates with a computer via an RS-232 interface. The weather station has two ports available on the back panel (RJ-12 Jacks). All of the following commands are accessible through either port. The two ports are independent from one another and are controlled by a multitasking processor. RS-232 Modem serial port This is the main serial port in the system.
Capricorn 2000EX Weather Station ___________________________________________________________________ Setting date and time SET-DATE: This command is used to set the internal calendar to the appropriate date. It uses space delimiters between the month field, the day field, the year field, and the command field. Example: 12 25 07 SET-DATE sets the date to 12/25/2007 SET-TIME: This command is used to set the internal clock to the appropriate military time (24 hours clock).
Capricorn 2000EX Weather Station 57 ___________________________________________________________________ Example: 11:00 02/11/2007 50.14 Degrees F 70.89 Degrees F 68.33 Degrees F 64.46 Degrees F 29.88 Inches Hg 006 MPH SE 073 Percent 00.06 Inches 04.43 Volts 01.30 Volt 04.
Capricorn 2000EX Weather Station ___________________________________________________________________ 28 32 36 40 44 48 52 56 60 SSE S SSW SW WSW W WNW NW NNW 157.5 180 202.5 225 247.5 270 292.5 315 337.5 The Short commands WD: will display wind direction in 64 compass points (5.625 deg resolution).
Capricorn 2000EX Weather Station 59 ___________________________________________________________________ Setting datalog intervals The interval for the Sample records in the datalog is user selectable. The interval duration is restricted to the following: 1, 2, 3, 4, 5, 6, 10, 15, 20, 30, and 60 minutes. n MEAS-INT: This command sets the Sample interval in the datalog. n is the interval duration in minutes. Example: 15 MEAS-INT will cause the weather station to save a Sample record every 15 minutes.
Capricorn 2000EX Weather Station ___________________________________________________________________ S,02/11/98,14:00,28WD,000WS,00.07R,071RH,29.85P1,+053.23T1,+072.02T2,+069.26T3,+065.8 8T4,01.76LW,0.00X1,0.00X2,5998 S,02/11/98,14:01,28WD,003WS,00.07R,071RH,29.85P1,+053.67T1,+072.52T2,+068.91T3,+065.8 8T4,01.78LW,0.00X1,0.00X2,6018 S,02/11/98,14:02,32WD,006WS,00.07R,069RH,29.85P1,+053.70T1,+072.86T2,+068.89T3,+065.8 6T4,01.84LW,0.00X1,0.00X2,6027 S,02/11/98,14:03,32WD,003WS,00.07R,068RH,29.85P1,+053.
Capricorn 2000EX Weather Station 61 ___________________________________________________________________ undefined sensors (X1 and X2). The low value of wind speed is the high 4 second sustained wind average. Setting temperature offsets Temperature offsets are used to calibrate the temperature probes. n TCAL#: This command is used to enter an offset for a temperature probe. Where n is the offset in 1/100 of a degree F and # is the temperature probe number. Example: 231 TCAL2 adds 2.
Capricorn 2000EX Weather Station ___________________________________________________________________ Continuous display of direction NORTH: This command continuously displays the wind direction. This command is used for locating the north direction on the wind sensor. An followed by a carriage return terminates this command. Continuous display of weather information 1 XFER: This command continuously displays a Sample record every 15 seconds and wind speed and direction every one second.
Capricorn 2000EX Weather Station 63 ___________________________________________________________________ S,05/01/99,09:44,40WD,000WS,00.00R,023RH,29.09P1,+070.70T1,+255.00T2,04.80LW,5.00X1,0 .10X2,4932 S,05/01/99,09:44,40WD,000WS,00.00R,023RH,29.10P1,+070.70T1,+255.00T2,04.80LW,5.00X1,0 .10X2,4924 S,05/01/99,09:45,40WD,000WS,00.00R,023RH,29.10P1,+070.70T1,+255.00T2,04.80LW,5.00X1,0 .10X2,4925 S,05/01/99,09:45,40WD,000WS,00.00R,023RH,29.10P1,+070.70T1,+255.00T2,04.80LW,5.00X1,0 .
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 65 ___________________________________________________________________ SECTION 6: CALIBRATION Calibrating the Barometric Pressure Sensor The barometric pressure sensor is calibrated at the factory to a highly accurate digital pressure gauge (±0.02% of full range) and, therefore, requires no further calibration. Altitude Setting After calibration at the factory, the altitude is set to zero.
Capricorn 2000EX Weather Station ___________________________________________________________________ Enter the barometric pressure offset in 1/100 of in.Hg using the BAROFFSET command. Calibrating the Wind Sensor General Maintenance schedule: 6-12 month intervals: A. Inspect the sensor for proper operation per Section 3.0 of user manual B. Replacement of wind speed sensor bearing in extremely adverse environments 12-24 month intervals: A.
Capricorn 2000EX Weather Station 67 ___________________________________________________________________ Enter the temperature offset using the TCAL command. Please refer to Section 4: Operation for more information. Record the temperature offset on a label attached to the sensor. Repeat the process for any other temperature sensor. Calibrating the Humidity Sensor The humidity sensor is calibrated at the factory. No field calibration is required. The humidity sensor has a ±2% stability over 2 years.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 69 ___________________________________________________________________ SECTION 7: MAINTENANCE In normal use, the Capricorn 2000EX should require very little maintenance. In the event of any problems, follow the procedures contained in Section 8: Troubleshooting, to determine whether the unit is defective. If it is defective and the unit needs to be returned to the factory for repair, refer to the Return For Repair Procedure in Section 9: User Support Information.
Capricorn 2000EX Weather Station ___________________________________________________________________ Periodically clean the Leaf Wetness sensor grid surface of any dirt or debris accumulation. Solar Radiation Sensor Maintenance Periodically clean the solar radiation sensor lens from any dirt or debris accumulation. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 71 ___________________________________________________________________ Section 8: Troubleshooting Wind Sensor Tests In the event the wind speed is reporting zero constantly regardless of wind conditions, is inexplicably erratic and/or the wind direction is reporting North constantly regardless of wind conditions, or is reporting incorrect direction, either the Control Module or the sensors (or both) may be defective.
Capricorn 2000EX Weather Station ___________________________________________________________________ Wind Direction Test 1. Set the multi meter set to volts DC. 2. Measure the voltage between terminal #25 and #26. Place the black probe on terminal #26 and the red probe on terminal #25. The voltage should be 5.0 volts DC. If the voltage is different, the wind direction channel is defective and the Control Module should be returned to the factory for repair. 3.
Capricorn 2000EX Weather Station 73 ___________________________________________________________________ To initialize a temperature sensor to the Control Module, perform the following procedure: 1. Disconnect all temperature sensors from the Control Module. 2. Disconnect the power from the Control Module. Wait for 10 seconds and then connect the power to the Control Module. 3. Connect the temperature sensor to the Control Module 4. Disconnect the power from the Control Module.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 75 ___________________________________________________________________ SECTION 9: USER SUPPORT INFORMATION This section consists of the following items: 1. Two-Year Limited Warranty: Please read this document carefully. 2. Return for Repair Procedure: This procedure is for your convenience in the event you mut return your Capricorn 2000EX for repair or replacement. Follow the packing instructions carefully to protect your instrument in transit.
Capricorn 2000EX Weather Station ___________________________________________________________________ ABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE ARE EXCLUDED. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Return for Repair Procedure 1.
Capricorn 2000EX Weather Station 77 ___________________________________________________________________ D. Send to: Columbia Weather Systems, Inc. 2240 NE Griffin Oaks Street, Suite 100 Hillsboro, Oregon 97124 E. C.O.D. shipments will not be accepted. 3. If your unit is under warranty, after repair or replacement has been completed, it will be returned by a carrier and method chosen by Columbia Weather, Inc. to any destination within the continental U.S.A.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station 79 ___________________________________________________________________ Reference Glossary Aspirating Radiation Shield A device used to shield a sensor such as a temperature probe from direct and indirect radiation and rain while providing access for ventilation. Barometric Pressure The pressure exerted by the atmosphere as a consequence of gravitational attraction exerted upon the “column” of air lying directly above the point in question.
Capricorn 2000EX Weather Station ___________________________________________________________________ Pyranometer It measures the combined intensity of incoming direct solar radiation and diffused sky radiation. The Pyranometer consists of a radiation-sensing element, which is mounted so that it views the entire sky. Relative Humidity Popularly called humidity. The ratio of the actual vapor pressure of the air to the saturation vapor pressure.
Capricorn 2000EX Weather Station 81 ___________________________________________________________________ Unit Conversion Speed Kilometers per hour = 1.610 x miles per hour Knots = 0.869 x miles per hour Meters per second = 0.448 x miles per hour Feet per second = 1.467 x miles per hour Temperature Temperature in °C = 5/9 (temperature in °F - 32) Temperature in °F = (1.8 x temperature in °C) + 32 Distance Millimeters = 25.4 x inches Pressure Millibars = 33.86 x inches of mercury Kilopascals = 3.
Capricorn 2000EX Weather Station ___________________________________________________________________ Tables and Formulas Wind Chill Chart In 2001, NWS implemented an updated Wind chill Temperature (WCT) index. The change improves upon the former WCT Index used by the NWS and the Meteorological Services of Canada, which was based on the 1945 Siple and Passel Index.
Capricorn 2000EX Weather Station 83 ___________________________________________________________________ Wind Chill Equation WC = 35.74 + 0.6215 T -35.75(V0.16) + 0.4275 T(V0.16) Where: WC = wind chill temperature in °F V = wind velocity in mph T = air temperature in °F Note: Wind chill Temperature is only defined for temperatures at or below 50 degrees F and wind speeds above 3 mph. Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Heat Index Temperature in °F RH 70 75 80 85 90 95 100 105 110 115 120 125 130 135 0 64 66 73 78 83 87 91 95 99 5 64 69 74 79 84 88 93 97 102 107 111 116 122 126 10 65 70 75 80 85 90 95 100 105 111 116 123 131 15 65 71 76 81 86 91 97 102 108 115 123 131 20 66 72 77 82 87 93 99 105 112 120 130 141 25 66 72 77 83 88 94 101 109 117 127 139 30 67
Capricorn 2000EX Weather Station 85 ___________________________________________________________________ Dew Point B = (ln (RH/100) + ((17.2694*T) / (238.3+T))) / 17.2694 Dew Point in °C = (238.3 * B) / (1-B) Where: RH = Relative Humidity T = Temperature in °C Ln = Natural logarithm Columbia Weather Systems, Inc.
Capricorn 2000EX Weather Station ___________________________________________________________________ Columbia Weather Systems, Inc. 2240 NE Griffin Oaks Street, Suite 100 Hillsboro, OR 97124-6463 Telephone (503) 629-0887 Fax (503) 629-0898 Web Site http://www.columbiaweather.com Email info@columbiaweather.com Catalog Number: 81644 Version 1.08 Printed in U.S.A. Columbia Weather Systems, Inc.