Coastal Environmental Systems WEATHERPAK-2000, User Manual

Page 1: ...WEATHERPAK 2000 User Manual November 1 1999 COASTAL ENVIRONMENTAL SYSTEMS 820 First Avenue South Seattle WA 98134 206 682 6048 800 488 8291 Fax 206 682 5658 www coastalenvironmental com ...

Page 2: ...facilities 4 Communications settings 4 Changing System settings 5 Change Item n to Value m 5 System date and time 6 Internal Temperature Calibration 6 Other commands 6 Changing the data collection schedule 7 Inspecting Raw Data 8 Exiting the User Interface Mode 8 GLOSSARY 10 MATHEMATICS OF WIND MEASUREMENTS 11 WEATHERPAK 2000 for HAZMAT RESPONSE 13 Installation 13 Tripod Mount Setup 16 Van Mount S...

Page 3: ...wind sensor and it can be broken if it is used to lift the entire unit DO NOT REMOVE THE ANTENNA FROM THE WEATHERPAK If the WEATHERPAK is activated without the antenna the radio can be damaged The WEATHERPAK is designed to be completely automatic When power is applied if no terminal intervention occurs the system will automatically initialize itself and begin sampling according to its predetermine...

Page 4: ...fferences from wind or differential heating of instruments can cause cables to vent air into sensors and connectors wind can force sand or moisture into the most insignificant interstices and solar radiation is destructive to plastics and paint Below is a list of considerations 1 Protect external connectors Molded neoprene oceanographic connectors are probably the only connectors that do not need ...

Page 5: ...ny questions about operation or setup arise Connecting the Terminal To communicate with the WEATHERPAK your terminal must be connected to the user interface communications port on the front of the WEATHERPAK Set the terminal as follows Baud rate 9600 you can change and save this Radio Base Stations use 1200 Baud Start bits 1 Stop bits 1 Data bits 8 Parity none Powering up the WEATHERPAK Power is s...

Page 6: ...gs to EEPROM making them permanent until the next change you need to enter E from any of the sub menus Type E within any sub menu to save all settings to EEPROM You will lose any unsaved settings when the system powers down The WEATHERPAK continues data collection while you are in the User Mode If there is no terminal activity for approximately three minutes the WEATHERPAK will exit the User Mode ...

Page 7: ...you should then enter E to save the setting to EEPROM The different line items have the following meaning Primary Unit Experiment ID This item affects the real time output messages output by the WEATHERPAK during data collection You may have seen these messages on the terminal before entering the User Menu The values of this unit ID number and unit ID number 2 are attached to these messages to let...

Page 8: ...on T lets you calibrate the internal Temperature You will be prompted to enter the current ambient air temperature measured with an accurate temperature probe placed near the WEATHERPAK electronics If you move the WEATHERPAK to the probe rather than the probe to the WEATHERPAK you must give the internal thermistor time to equilibrate at the new temperature 15 minutes is usually adequate for this T...

Page 9: ...et that period last 20 minutes Enter S from the User Menu to enter the SAMPLE Period Menu SAMPLE PERIOD MENU Cn m Change Item n To Value m Q Quit E Save Settings To EEPROM H Help U User Menu Item 1 3600 Sample Interval Time in seconds Item 2 1200 Sample Duration Time in seconds Item 3 600 Sample Time Offset in seconds The three variables are as follows the sample interval time is the time elapsing...

Page 10: ... conversion to engineering units Enter T from the user menu to reach the TEST Menu TEST MENU R Display Raw Sensor Data H Help S Display Scaled Sensor Data U User Menu Q Quit You cannot change anything from the Test Menu R Display RAW sensor data The terminal will display as it is measured raw data from each sensor The values are displayed before conversion to engineering units for example volts fo...

Page 11: ...ta storage the total number of data records that can be stored and the total time taken to fill the data logging memory N Show NUMBER of records logged The terminal will show the number of data records that have been collected and stored in memory This value must be less than or equal to the data logging capacity D DELETE all data records from the data logging memory You will be prompted for confi...

Page 12: ...input or output connections to protect a device from corona or electrical transients such as lightning Variation Also magnetic variation and deviation At most points on the Earth the direction to true north varies from the direction to magnetic north by some number of degrees This difference is called the magnetic declination When the local magnetic anomalies are added to the declination the resul...

Page 13: ...PAK or if the compass is not installed then the wind monitor must be aligned as closely as possible to true north The flag Add Compass To Vane also set in the System Functions Menu should be set to 0 false in this case The different wind statistics available are described below They are all based upon the same measurements the wind speed s and direction θ including the compass bearing are measured...

Page 14: ...ysis is σ ε ε ε θ arcsin 1 1 2 3 01547 3 2 2 b X Y b where 3 Maximum Wind Speed Maximum winds gusts are determined during each individual averaging period Gust information is important for risk studies of damage to constructions and buildings The duration of the gust is an important consideration and is often related to the intended application Some applications require information about extreme v...

Page 15: ...contamination procedures A beeper in the tower sounds when battery replacement is required because of low voltage in the battery pack 2 All of the electronics are grounded at a single point to protect the WEATHERPAK against unexpected large voltages and radio interference 1 The variation of true North from magnetic North is entered into your WEATHERPAK for your location It is easily changed but sh...

Page 16: ...WEATHERPAK 2000 USER MANUAL Coastal Environmental Systems 206 682 6048 14 Placement on top of vehicles is okay ...

Page 17: ...WEATHERPAK 2000 USER MANUAL Coastal Environmental Systems 206 682 6048 15 Tripod Mount The WEATHERPAK 2000TRx with tower ...

Page 18: ...that the wind vane is plugged all the way in DO NOT rotate the wind vane when installing or removing 4 Align the slot on the WEATHERPAK with the guide pin on the quick release and push straight in DO NOT screw the WEATHERPAK onto the quick release This is a good sealed fit and may require an extra push then push the arms of the clamp down to assure a tight fit DO NOT rotate the WEATHERPAK or tower...

Page 19: ...T rotate the wind vane when installing or removing 3 Align the slot on the WEATHERPAK with the guide pin on the quick release and push straight in DO NOT screw the WEATHERPAK onto the quick release This is a good sealed fit and may require an extra push then push the arms of the clamp down to assure a tight fit DO NOT rotate the WEATHERPAK or tower when installing or removing 4 The WEATHERPAK is n...

Page 20: ...amaged by improper handling DS1 Unused remains off DS2 Standard off Metric on DS3 Degrees off Ordinal points on DS4 Unused remains off DS5 English off French on EXAMPLE Receiver front panel The example is interpreted as follows The five minute average wind WS is 2 7 miles per hour and is coming from 310 degrees The instantaneous one second wind speed IW is 2 7 miles per hour The stability ST will ...

Page 21: ... Replacing tower batteries and fuse The WEATHERPAK has nine alkaline D cell batteries which are located in the top section of the tower as shown in the figure below The batteries can be replaced with standard alkaline batteries Make sure that the replacement batteries are of the same type There is an in line fuse located in the tower junction box see figure below Replacing the batteries Figure 11 ...

Page 22: ...ull down menu SetUp Atmospheric SAM Station a series of dialogue boxes will appear requiring user observations or assumptions Relative humidity data is not captured automatically and can be hand entered using data from the Receiver Display box 7 Using the pull down menu SAMOptions select Processed Data The WEATHERPAK delivers data in the proper format for ALOHA to use A Processed SAM Data window w...

Page 23: ...ty seconds INSTANTANEOUS data is captured just prior to the thirty second update By comparing the 5 MINUTE RUNNING AVERAGE and INSTANTANEOUS data the user can get a good idea of changing conditions The WEATHERPAK calculates Sigma Theta or air mixing and produces a Stability Class value used by the plume model The battery voltage is also transmitted Note If voltage is below 11 0 the batteries in th...

Page 24: ...PAK If you have a WEATHERPAK display screen the ID number appears on it Two checksums are performed to ensure that the message sent was correct The computer adds up the ASCII value of the data line each letter and number and comma etc has a numerical value universal to all computers to make sure that the computer got the same number that the WEATHERPAK transmitted Data line interpretation The data...

Page 25: ...connected WEATHERPAK and receiver Unclamp remove wait 10 seconds then replace the WEATHERPAK on the tower this resets it Check to see if the low battery beeper in the tower is beeping Check that the batteries in the tower are properly aligned and are the correct voltage Check the power connection to the WEATHERPAK Check the cable connections from the WEATHERPAK to the receiver Wind speed off Check...

Page 26: ...s of warranties provided by the supplier to Coastal Environmental Systems only to the extent that the supplier to Coastal Environmental Systems will upon request honor the warranty Not covered under this warranty is malfunction due to improper use by the customer malfunction resulting from deployment malfunction due to shipment damage to include but not limited to shock damage due to dropping to m...

Page 27: ...A 50U 3 Hygrometrics 4 VAISALA Hmm20D 2 BAROMETER S1081W IC Sensor 1220A Setra 270 PYRANOMETER S1114 Licor 200 SZ Eppley 8 40 Eppley PIR DATA STORAGE MEMORY 1 MB OPERATING SOFTWARE S1288 ZENOSOFT version 1 966 S1329 MET EXPERT DATA COLLECTION SOFTWARE S1341 INTERCEPT Network 3 34B S1137 INTERCEPT 3 34B S1140 INTERCEPT Format Editor 2 TOWER S1125W 3 Meter Tripod Tower 3 Meter Universal Tower S1118W...