Related Manuals for Campbell BWS-200
Summary of Contents for Campbell BWS-200
- Page 1 Basic Weather Station BWS-200 (including ETo Variant) Issued: 28.1.14 Copyright © 2006-2013 Campbell Scientific Ltd. CSL 383...
- Page 3 Quotations for repairs can be given on request. It is the policy of Campbell Scientific to protect the health of its employees and provide a safe working environment, in support of this policy a “Declaration of Hazardous Material and Decontamination”...
- Page 5 Campbell Scientific Ltd can advise on the recycling of the equipment and in some cases arrange collection and the correct disposal of it, although charges may apply for some items or territories.
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Page 7: Table Of Contents
Contents 1. Introduction ..............1 1.1 Documentation ..................1 1.2 Component Parts ..................2 2. Choosing the Location ..........2 2.1 The Effects of Varying Environmental Conditions........3 2.1.1 The Clothesline Effect ..............3 2.1.2 The Leading Edge Effect ..............3 2.1.3 The Oasis Effect ................ - Page 8 8. Establish Active Communications ......14 8.1 Using a Personal Computer running PC200W........14 9. Checking the Datalogger Clock (Date/Time) Setting ..............16 9.1 Using a Personal Computer running PC200W........16 10. Running the Datalogger Program and Viewing Measurements ............16 10.1 The Datalogger Program...............
- Page 9 Figures 1. Effect of Structure on Air Flow ..............4 2. Basic Weather Station Mounted on Optional SPM2 Mast ......7 3. Mounting the Enclosure ................8 4. Wind Sentry Mounting ................9 5. Grounding Clamp ..................12 6. Monitor Values Screen showing measured values ........17 7.
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Page 11: Introduction
Basic Weather Station BWS-200 1. Introduction Thank you for buying a Campbell Scientific Basic Weather Station. We recommend that you begin by reading this Installation Manual carefully before attempting to assemble, set-up and use the weather station, as it contains important information about siting, assembly and maintenance. -
Page 12: Component Parts
Basic Weather Station BWS-200 Manual for the Wind Sentry Wind and Direction Sensor which is fitted as standard Manual for the optional ARG100 Raingauge if ordered with your BWS200 manual for the optional CS300 Solar Radiation sensor if ordered with your BWS200 ... -
Page 13: The Effects Of Varying Environmental Conditions
Installation Manual As an example, consider a weather station sited in a crop of newly planted corn with the anemometer 2m above the ground. The measured wind speed will decrease markedly as the crop grows because the distance between the instrument and the surface is continually reducing. -
Page 14: Siting On Roofs
Basic Weather Station BWS-200 about twice the height of the structure. Ideally, therefore, the weather station should be located outside this zone of influence in order to obtain representative values for the region (see Figure 1). Weather station Drawing not to scale... -
Page 15: Optional Equipment
Figure 2 for the Campbell Scientific SPM2 mast. The Campbell Scientific SPM2 Mast as it is specially designed for the Basic Weather Station and comes complete with a stabilisation bar which is concreted into the foundations. - Page 16 Basic Weather Station BWS-200 A spade and/or shovel A pickaxe A concrete trowel Sufficient concrete mix for a 300mm square x 600mm deep hole (including water supply etc. if mixing concrete on site) A spirit level Install the mast as follows: Locate a suitable position for the weather station.
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Page 17: Basic Weather Station Mounted On Optional Spm2 Mast
Installation Manual 220 approx. Wind Sentry Anemometer and Vane Junction Box 26.9 diameter top mast Radiation Shield and Temperature and RH Sensor Solar Panel Weatherproof enclosure containing datalogger, battery etc. 2 metres overall height (To top of mast) 42.9 diameter main mast Mount at 1.2m to match UK Met. -
Page 18: Installing The Enclosure And Sensors
Basic Weather Station BWS-200 4.2 Installing the Enclosure and Sensors To install the enclosure and sensors you will need: A spirit level A tape measure An adjustable spanner A range of standard and Phillips screwdrivers ... -
Page 19: Installing The Standard Sensors
Installation Manual 4.2.2 Installing the Standard Sensors Install all the sensors, carefully following the instructions and wiring diagrams given below. If you need further advice on the installation and operation of specific sensors, please read the installation manual provided for that sensor. Handle all sensors and wiring with care. -
Page 20: Optional Sensor Connections
Other lengths of cable for your specific installation can be supplied to order by Campbell Scientific. If you are using your own cable it must match the specifications set out in the Wind Sentry manual. Remove the existing cable from the Wind sentry junction box, carefully noting the wire colours/connection position, and wire up the replacement cable using the old cable as a template. -
Page 21: Installing The Optional Barometric Sensor
While the system does offer some protection against lightning damage, if the weather station is installed at a site where frequent direct lightning strikes are likely, Campbell Scientific recommends that you seek the advice of a specialist lightning protection company. -
Page 22: Other Installations
Please contact Campbell Scientific if you require assistance in selecting an appropriate interface. 5.1 Communication Directly to the PC... -
Page 23: Short Haul Modem
PC. 5.2.1 Short Haul Modem Campbell Scientific is able to provide a Short Haul point to point communications package with modems for either end of a fixed line cable to be supplied by the customer. -
Page 24: Power-Up The Datalogger
Your Basic Weather Station comes ready programmed for standard and optional sensors. It is programmed using Short Cut, an easy to use program builder, which is part of Campbell Scientific’s Datalogger Support Starter Software Package, PC200W. Short Cut determines the correct wiring and produces appropriate wiring diagrams (as described in Appendix A). - Page 25 If communication is unsuccessful then a) ensure power is switched on (see section 7) b) use standard RS232 lead provided and connect direct to station c) contact Campbell Scientific Datalogger Clock Check the dataloggers clock and reset if required. CLICK NEXT >>...
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Page 26: Setting
Basic Weather Station BWS-200 9. Checking the Datalogger Clock (Date/Time) Setting The CR200X Series Datalogger used in the Basic Weather Station contains the program in non-volatile flash memory, and this will be retained even when the main battery power supply is removed. The clock (date and time) settings are also battery-backed, and will be retained when the datalogger is powered down. -
Page 27: Viewing/Monitoring Incoming Measurements
Installation Manual 10.2 Viewing/Monitoring Incoming Measurements You can monitor the measurements in real time by in the following way: 1. Connect your PC to the datalogger 2. Open up PC200W 3. Click on “Setup/Connect” tab on the main PC200W screen. 4. -
Page 28: Maintenance
Basic Weather Station BWS-200 You can choose to: append just new data (since the last data collection) to an existing data file – (this is the normal mode of operation), or overwrite all data from the datalogger to an existing file, or ... -
Page 29: Enclosure
Installation Manual 11.1 Enclosure The enclosure is made from fibreglass and is completely weatherproof. There is minimal maintenance required, but particular care should be taken to the points listed below. 11.1.1 Cable Entries Care should be taken that all cable entries on the enclosure are properly sealed. Ensure that the cable gland grips the cable tightly to ensure a proper seal. -
Page 30: Sensors
Basic Weather Station BWS-200 11.2.2 Sensors Inspect and carry out routine maintenance and calibration of sensors at regular intervals. This frequency will depend on environmental conditions and the accuracy you wish to achieve from your particular installation. Individual sensor manuals will give further advice on maintenance and calibration etc. -
Page 31: Power Supply
If you have any problems with the weather station, remember to first check out the troubleshooting guide in Appendix C. Further help and advice is available from Campbell Scientific as shown below: Campbell Scientific Ltd. -
Page 33: Appendix A. Basic Weather Station Program
The program within the logger relies on the sensors being wired to the correct locations. If the program is modified in any way then the program generator will output a new wiring diagram. The program that the BWS-200 is pre-loaded with requires the following wiring: CS215 Temperature &... -
Page 34: Measurements
Basic Weather Station BWS-200 CS300 Pyranometer (Optional - required for ETo Calculations) G: Clear Ground: Black SE2: Red CS100 Barometric Pressure Sensor (Optional) Battery +: Red G: Black C2: Green G: Clear Ground: Yellow SE3: Blue A.3 Measurements Each time a sensor is scanned, the result is stored as a Public variable. With each scan, the value of each Public variable is processed then overwritten with the next measurement result. -
Page 35: Recorded Data
Appendix A. Basic Weather Station Program A.4 Recorded Data The Standard Program saves the data under two tables. Table1 is an hourly summary of recorded data. Table1 is recorded every 60 minutes on the hour. Derived Data Recorded in Table1 Variable Name Explanation Relative Humidity (%) -
Page 36: Modifying The Program
A.5 Modifying the Program A copy of the standard program (BWS200.scw) is supplied to you on disk with your BWS-200 for your convenience. It has been written using a program called SCWIN (ShortCut for Windows) which is a module of the PC200W accessible from the “Short cut”... -
Page 37: Appendix B. Wind Direction Sensor Orientation
Appendix B. Wind Direction Sensor Orientation B.1 Determining True North and Sensor Orientation Orientation of the wind direction sensor is done after the datalogger has been programmed, and the location of True North has been determined. True North is usually found by reading a magnetic compass and applying the correction for magnetic declination;... -
Page 38: Magnetic Declination At 2012.5 (Degrees Relative To True North, Positive Is East
Basic Weather Station BWS-200 Figure B-1. Magnetic Declination at 2012.5 (degrees relative to true north, positive is east) Figure B-2. Declination Angles East of True North Are Subtracted From 0 to Get True North... - Page 39 Appendix B. Wind Direction Sensor Orientation Figure B-3. Declination Angles West of True North Are Added to 0 to Get True North...
- Page 40 Basic Weather Station BWS-200...
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Page 41: Appendix C. Troubleshooting
4. Make sure that the PC200W software is correctly installed and the station file is configured on the computer. See the PC200W Manual. If you still cannot communicate with the datalogger, please contact Campbell Scientific. See Section 12. C.3 Unreasonable or Unexpected Results are Displayed by the Datalogger This indicates an incorrect response from one of the sensors. - Page 42 Basic Weather Station BWS-200 Check the following: 1. Ensure that the value is one that should be returned by the attached sensors. 2. Ensure that the battery voltage is between greater that 11.5V DC. The logger will opertate between 7V and 16V DC.
- Page 44 CAMPBELL SCIENTIFIC COMPANIES Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES • www.campbellsci.com info@campbellsci.com Campbell Scientific Africa Pty. Ltd. (CSAf) PO Box 2450 Somerset West 7129 SOUTH AFRICA • www.csafrica.co.za sales@csafrica.co.za Campbell Scientific Australia Pty. Ltd. (CSA)