Global Water User`s Manual - Global Water Instrumentation, Inc.
Contents
1. Slope and enter the value that you calculated for 12 above 17 F Global Water 1 800 876 1172 Appendix E Options and Accessories OPTIONS WL14X Water Level Logger Allows Logger to sit inside 2 well with enclosure rim on well casing top Standard or locking well cap will completely hide the logger Specify Water Level Range 0 3 15 30 60 120 250 Includes 25 Specify range on order EXC Extra Cable Cable length is measured from top of logger to bottom of sensor After 25 1 30 ft Specify total cable length on order HRR High Recording Rate Option Speeds up interval to take readings every 1 2 5 or 10 seconds primarily for pump testing add 60 FWS Flume and Weir Stick Option Water Level Logger is fitted with 2 PVC pipe extension with sensor at bottom of pipe for measuring flows in flumes and weirs No external cable 2 range only No Charge INO Inside Well Option Entire logger goes down inside the 2 well Provided with chain and hook to secure the well top add 30 PRP Pressure Pipe Option Sensor is housed in a 6 stainless steel pipe with 3 4 NPT male thread for logging pressure in municipal water systems 10 cable standard Calibrated in psi with ranges of 30 psi 60 psi 100 psi available add 40 SWO Sewer Flow Option Mouse shaped cover protects sensor from fouling and velocity effects in sewer stormwater and irrigation pipe flows Mouse is atta2. 55 49497 While in a spreadsheet program you can easily use the datalogger s data to make charts and graphs 11 DR Global Water 1 800 876 1172 VII Flow and Pressure 1 Flow For any open channel that is free flowing there is a specific relationship between depth of water and the flow rate Whenever a given depth occurs there will always be the same flow Therefore if you know the flow for each depth depth measured by your Water Level Logger you can construct a depth to flow relationship When using a primary device to measure flow such as a measuring flume or weir there is a mathematical relationship already established between depth and flow The Water Level Logger can be used to log depth and these recorded readings can be converted to flow by using the primary device s provided mathematical relationship When measuring flow in a channel that does not have a primary device the depth to flow table can be constructed by measuring the flow at several different depths with a flow meter see Appendix E Options and Accessories for Global Water s Flow Probe With known flows per depth the downloaded data from a Water Level Logger in a particular channel can be manipulated in a spreadsheet program to convert the data to flow 2 Pressure To measure pressure you must use the Pressure Pipe Option Water Level Logger This Water Level Logger will be calibrated to read in psi with ranges of 30 psi 60 psi and 100 psi The
3. Logger requires a 9VDC Lithium or Alkaline battery to run The Water Level Logger s battery life is dependent on the set sample interval and the type of battery used Minimum Battery Life Expectancy Alkaline 9VDC Interval Life 60 min 6 months 30 min 6 months 15 min 3 months 1 min 3 weeks Lithium 9VDC Interval Life 60 min 1 year 30 min 1 year 15 min 6 months 1 min 3 months Remember Using EZ PC software while your computer is attached to the WL14 consumes battery power 4000 times greater than the normal logging operation For ease of use we recommend that you use a Lithium battery and replace it according to the above life expectancy chart 9VDC lithium batteries can be purchased at Radio Shack or at your local electronics supply store To replace the battery in the standard 2 diameter Water Level Logger unscrew the top cap and pull it gently off You will pull out the products wiring still attached to the datalogger and the battery Remove and replace the battery To replace the battery in the 3 5 diameter Extreme Environment Enclosure Water Level Logger pull of the rubber cap to find the battery door Open the battery door remove and replace the battery Even if the WaterLevel Logger battery runs down or is removed the logger will retain all previously stored data 16 WR Global Water 1 800 876 1172 Appendix D Calibration 1 Automatic Calibration Plug your logger into the computer Depen
4. ease aai Save data to any spreadsheet program to i print reports charts or graphs 10 m Global Water 1 800 876 1172 1 To simply review or print out the listing of data recorded from the Water Level Logger you can download the data in DOS or in a simple writing program like Notebook To download data in DOS type edit and select the correct file from the correct directory Example c EZLEVEL edit wells1 To download data in Notebook open the program and select File and Open Specify the comma delimited file your data is saved in VI Using Data 2 Data may be imported into various spreadsheet programs such as Excel or Lotus You may download the data to a specific location on your computer when collecting data from the logger by saving recordings onto a path that specifies your desired location see V 3 Example c excel wl14 wells Be sure that the specified drive letter subdirectories and file name are valid Once the data has been transferred to the file open your spreadsheet program and select File and Open Specify the comma delimited file your data is saved in see example above This will put the data into separate columns as shown below MM Beckman Injection 11 Apr 9 40 55 45547 11 Apr 55 45547 11 Apr 55 49497 11 Apr 55 45547 11 Apr 55 45547 11 Apr 55 45547 11 Apr 55 49497 11 Apr 55 45547 11 Apr 55 45547 11 Apr 55 45547 11 Apr 55 45547 11 Apr 55 49497 11 Apr 55 49497 11 Apr 55 45547 11 Ap
5. instructions and or specific problems relating to the product neo PE 19 GRA Global Water a 1 800 876 1172 20
6. period of one year from date of shipment from factory Global Water s obligations under this warranty are limited to at Global Water s option I replacing or ii repairing any products determined to be defective In no case shall Global Water s liability exceed the products original purchase price This warranty does not apply to any equipment that has been repaired or altered except by Global Water or which has been subject to misuse negligence or accident It is expressly agreed that this warranty will be in lieu of all warranties of fitness and in lieu of the warranty of merchantability Trouble Shooting What To Do if your equipment does not seem to be functioning properly gt Refer to manual for proper setup check all connections and power supplies gt Manuals can also be viewed at our web page www globalw com gt Call us for tech support 916 638 3429 many problems can be solved over the phone Fax 638 3270 or E mail us at globalw globalw com gt In the event that the equipment needs to be returned to the factory for any reason please call to obtain an RMA Return Material Authorization Do not return items without an RMA displayed on the outside of the package gt When calling for tech support please have the following information ready Model and range where applicable Unit serial number P O the equipment was purchased on Our sales number or the invoice number Repair
7. pre existing folder s name to the setup command Example a gt setup C wells Press Enter While running DOS on your computer insert the EZ PC diskette into your disk drive Enter a gt setup C to install the software on to your C drive 1 m Global Water 500 876 1172 3 Your screen will resemble the following ANC C WINDOWS Desktop gt gt cd CA gt cd EZLEVEL C EZLEVEL gt copy a gdhicl exe 1 file s copied C EZLEVEL gt copy a gdhic2 exe 1file s copied C EZLEVEL gt C EZLEVEL gt C EZLEVEL gt C EZLEVEL gt Your EZ PC software is successfully installed Next determine the number of the communications port to which you will attach the RS232 cable connecting your Water Level Logger to the computer Two separate programs were installed on your computer during the software installation gdhicl exe and gdhlc2 exe If your cable attaches to port 1 type gdhicl exe after the EZLEVEL prompt Example C EZLEVEL gt gdhlcl exe If your cable attaches to port 2 type gdhlc2 exe after the EZLEVEL prompt Example C EZLEVEL gt gdhlc2 exe If you are not sure which port your cable is attached to try both program setups and observe which starts the EZ PC software correctly Remember the port number for future reference Press Enter JE Water 500 876 1172 4 Initially a message appears indicating that the program is waiting for the co
8. sensor is housed in a 6 long stainless steel pipe with 34 NPT male thread for easy installation in municipal water systems 12 DR Global Water ie 1 800 876 1172 Appendix A Sample Interval 1 The WL14 is programmable from one reading per minute to one reading per hour Interval min 1 2 3 4 5 6 10 12 15 20 30 60 Readings hr 60 30 20 15 12 10 6 5 4 3 2 1 To find when the first sample will be recorded divide the current minutes by the sample period if there is no fractional part to the answer the logger will take its first sample immediately If there is a fractional answer the WL14 will take an initial sample on the hour and at every interval thereafter Example 1 The time is 6 30 Your Water Level Logger s sample interval is set for 30 minutes 30 30 1 Your logger will take an initial reading Example 2 The time is 6 45 Your Water Level Logger s sample interval is set for 30 minutes 30 45 2 3 Your logger will not take an initial reading The first sample will be at 7 00 2 The Water Level Logger records 6000 readings before it over writes its first stored data In order to be certain that you collect all the Water Level Logger s stored data keep your sample interval Main Menu 2 in mind and be sure to collect data at the field site before the first data becomes over written Readings per hour 1 2 4 10 20 30 60 Days running 240 120 60 24 12 8 4 Example If your logger s set sample interval is 30 minutes
9. this is 2 readings per hour You should collect data from the logger at least every 120 days to ensure collection of all readings without over writing data 3 High Recording Rate Option Procedure for use of WL14 with the seconds record interval option A Connect the serial cable to the logger and the computer Launch the WL14 software B Select option 2 and 0 for the interval C Select option 3 and enter the number of seconds between readings 1 59 seconds D Save any old data currently in the logger by using option 5 if necessary E Clear any old data currently in the logger by using option 6 if necessary F When you re ready to start recording data select option 0 which will exit the WL14 software and start the logger recording data The logger should now be logging data at the interval you set in step C You can leave the serial cable connected to the computer and the logger while recording data The cable can be left connected to the computer only 13 Pa Global Water 1 800 876 1172 It should never be left connected to the logger only as this will cause the logger to lock up in environments where there are high levels of electrical activity from other equipment such as pump G When the test is complete reconnect the serial cable to the logger and computer if it was disconnected during logging and re launch the WL14 software H Select option 5 to download the recorded data into your computer I To run
10. Global Water WL14 Water Level Logger User s Manual Revision Date 5 10 00 Congratulations on your purchase of a Global Water Level Logger WL14 Our Water Level Logger has been field tested in hundreds of locations throughout the world Our customers praise its ease of use accuracy durability and low cost Most of our customers purchase additional loggers for all of their sites Follow the simple procedures in this manual and your Water Level Logger will be easy to install In no time you will be monitoring water level flow or pressure data continually and reliably F urs t before you begin the setup process check to confirm that you received the following e EZ PC software diskette for MS DOS e Water Level Logger Datalogger housed in weather resistant enclosure Cable to your order s specified length Sensor e RS232 Cable to attach the datalogger to your computer e 3 Depth Tube If you did not receive all of the above parts or if the equipment appears to have been damaged during shipment please contact Global Water immediately at 1 800 876 1172 Also Required Running EZ PC software requires a computer with at least a 386SX processor that runs MS DOS 3 1 or later and is equipped with a standard RS232 serial communications port This means that almost any PC compatible laptop computer can be used to collect the data from the logger out in the field Many of our customers have had concerns about bringing their ex
11. additional test repeat this procedure starting at step D above J To exit the seconds recording mode and return to normal minutes mode select option 2 and enter the desired recording interval K IMPORTANT you must exit the seconds mode when you are finished or disconnect the battery from the logger the logger draws excessively from the battery while in seconds mode and will drain the battery in a matter of hours if left connected We recommend that the battery of any logger be disconnected when the logger is being stored or otherwise not in use 14 m Global Water 1 800 876 1172 Appendix B Unit Conversion Unless specified by your order your Water Level Logger is calibrated to read in feet However it is easy to convert the Logger to read in your desired units 1 To Convert English to Metric Once in the EZ PC program press 9 Slope Multiply the current number by 0 3048 Enter this number at the prompt The Y intercept must be changed to compensate for this new slope Press 8 Y intercept and multiply the current value by 0 3048 Enter this number at the prompt Your datalogger is now programmed to record the data in meters instead of feet 2 To Convert Metric to English Multiply the current slope and Y intercept by 3 28 and enter these values into 9 and 8 in the Main Menu 15 CJ Global Water wet 1 800 876 1172 Appendix C Battery Replacement The Water Level
12. atalogger You can use PVC schedule 40 or ABS sewer drain pipe The best protective pipe is PVC schedule 40 electrical conduit This light gray pipe has UV protectors and pre formed sweeps or bends which enable the pipe to conform to the contours of the river bank The sensor will slide down through 45 or 90 sweeps The pipe may be buried in the river bank secured with rocks or fastened to the bank with large staples made by bending pieces of concrete reinforcing steel in half and driving them into the bank The pipe should have several large 1 2 diameter holes drilled near the sensor location in order to eliminate velocity effects on the sensor Also a smaller 1 4 hole should be drilled near the top of the pipe to allow air movement when the water goes up and down A standard slip cap or a locking well cap can be used to protect the top of the datalogger You can also adapt the pipe for a screw on cap m Global Water 1 800 876 1172 3 Installation in Problem Areas In areas where there is a problem with vandalism a2 galvanized pipe may be used for the entire stilling pipe Plastic pipe adapted to this steel pipe above water may be used for the underwater section screw on galvanized cap can then be used to cover the datalogger Two small pipe wrenches are required to access the datalogger but this installation is essentially bullet proof and vandal proof 4 Flumes and Weirs Option FWS see Appendix E For Flum
13. ched to 6 X 2 stainless steel strap for mounting sensor on pipe bottom add 60 SEE Severe Environment Enclosure 3 5 diameter x 5 enclosure with rubber cap and hose clamp for sewer and storm drain applications add 40 Rental WL14 s can be rented for short time studies when available 150 week 450 month 18 AL100 Analogger General purpose datalogger similar to WL14 For logging 4 20 MA and 0 4VDC analog signals Provides for switching user provided external power to sensors Water Resisitant enclosure Internal 9VDC battery software cable RG780 Pulselogger General purpose pulse logger for rain gauges pulse output flow meters or any momentary switch closure Has exception logging and only records when pulses are detected in each time interval Internal 9VDC battery software cable WL300 Water Level Sensor 2 wire 4 20 mA sensor for interface to SCADA or process controllers 10 36 VDC Input 25 cable included Ranges 10 3 15 30 60 120 250 EXC Extra Cable Lengths after 25 1 30 ft FP 101 201 Flow Probe Highly accurate water velocity instrument for measuring flows in open channels and partially filled pipes 695 3 to 6 foot handle PEN RER HIER 745 5 to 15 foot handle BR Global Water 1 800 876 1172 Global Water Warranty Global Water warrants that its products are free from defects in material and workmanship under normal use and service for a
14. ding on which serial port you have plugged your logger into run the appropriate EZ PC program gdhlcl exe or gdh1c2 exe In the software s main menu change the logger s present Y intercept number 8 to zero press 8 enter 0 Change the logger s present slope number 9 in the main menu to one press 9 enter 1 Fill your calibration tube with a depth at least 75 of the sensor range Insert the sensor fully into the calibration tube and draw a black ring on the sensor s cable where the water reaches Remove the sensor from the water and measure the distance from the black ring to the sensor diaphragm located approximately 1 2 from the tip of the probe in the engineering unit you wish for the WL14 This is the line depth Line Depth if measured in feet convert inches to a decimal Let the sensor stabilize in the air Press 7 to obtain data continuously Average at least 5 of these out of water readings Out of water average reading Insert the sensor fully into the calibration tube Let the sensor stabilize in the water Press 7 to obtain data continuously Average at least 5 of these in water readings In water average reading With the above results recorded use WL14_CAL EXE on your software disk and follow the directions Or see our web site at http www globalw com calibrate html for automatic calibration information 2 Manual Calibration Follow the directions below The User arbitrarily se
15. e usually not required for this simple installation For a sewer pipe over 12 in diameter the sensor s steel straps must be mounted into the pipe The straps can be secured with molly or concrete bolts or with marine grade epoxy which can be found at a marine supply store Installation into pipe over 12 diameter with Marine Grade Epoxy Drill a few holes across the steel strap Following the epoxy directions pour epoxy into the pipe and place the sensor s straps onto the epoxy The epoxy will push out the pre drilled holes in the strap Spread the epoxy that pushes out the holes over the top of the straps This installation will need to set dry and unmoved for over 24 hours Sewer Pipe Under Sewer Pipe Over 12 Diameter 12 Diameter BT u Manhole x Na Datalogger secured to stair rung I pr from manhole mE With slack in cable datalogger J I a can be accessed Sensor s straps spring into the pipe No other attachment is needed Sensor s straps must be a Sewer Pipe Option WL14 can be installed in either the invert of the sewer or just inside the sewer pipe LJ Global Water 1 800 876 1172 V Collecting Data 1 Keep in mind your sample interval when collecting data from your Water Level Logger Be sure not to let the datalogger over write any of its 6000 circular stored readings See Appendix A Sample Interval for the days the logger will record without over wri
16. ear data buffer Read data continuously Press any key to stop 8 Y Intercept 22106 9 Slope 0036239 0 To QUIT 1 2 3 4 5 6 7 FIELD Model DHI C Serial 298 Microcode Version 1 5 VALID ENTRIES are 0 9 Make selection number followed by ENTER Three points that you should always keep in mind while running the software If your computer is unable to communicate with the datalogger the Main Menu fails to appear on the screen this may be a sign that the datalogger isn t properly attached see I 4 the wrong program gdhlcl exe or gdhlc2 exe for your computer s serial port was installed see I 3 or the datalogger s battery is running low see Appendix C Battery Replacement The WLI4 will not record data during this communication session with your computer The datalogger will begin sampling data according to the specified sample time interval 2 in the Main Menu after the EZ PC program is quit See Appendix A Sample Interval Communicating with the datalogger whenever the Main Menu is displayed consumes battery power 4000 times greater than the normal logging operation In order to conserve your battery try to keep communications at a minimum m Global Water 1 800 876 1172 Il Initializing the Datalogger 1 Clock Press 1 Datalogger clock and Enter This will transfer the time and date from your computer to the Water Level Logger 2 Depth Verification Test While the Water Lev
17. el Logger is attached to your computer and your computer screen is in EZ PC s Main Menu insert the Water Level Logger s sensor into the Depth Tube container so that its tip rests on the bottom of the container Fill the Depth Tube with water Press 7 Read data continuously Water level should read approximately 3 feet If the level reads 3 feet within about 10 or 03 feet the Water Level Logger is working properly Press any key to stop reading data continuously and return to the main menu Note If you prefer to measure water level in metric units rather than feet please see Appendix B Unit Conversion Datalogger Attached to lt Your Computer 3 Depth Verification Tube gt water filled to top oes While your computer is in EZ PC s main menu and your level sensor is inserted fully into the depth tube enter 7 to read data continuously Verify that your Water Level Logger is recording accurately should read between 2 97 and 3 03 feet m Global Water 1 800 876 1172 3 Sample Interval Decide which sample interval time between the datalogger s depth readings is most appropriate for your needs The datalogger will record data at each interval Please see Appendix A Sample Interval to determine how long depending on the sample interval the logger will record data before it over writes previously recorded information Press 2 and Enter The computer will prompt you t
18. es and Weirs we provide the Weir Stick Water Level Logger This logger sensor combination is easily mounted and concealed inside a section of 2 pipe which can be used as its own stilling well or can be mounted in existing stilling wells The weir stick is 3 overall in length with a 2 measuring range 5 Severe Environment Enclosure Option Installation Option SEE see Appendix E This WL14 cylindrical enclosure option is designed to slide into a 3 standard ABS or PVC pipe slip coupler For well head monitoring a reducer coupling is used to couple the datalogger to the well head 6 Pipe Pressure Option Installation Option PRP see Appendix E For Pipe Pressure applications the sensor comes in a stainless steel pipe fitting with a 3 4 NPT thread on the end to be adapted to existing ball valves with standard pipe fittings 7 Sewer Pipe Flow Option Installation Option SWO see Appendix E See diagram below The WL14 Sewer Pipe Flow Option includes a pressure sensor built into a protective mouse housing and attached to a 2 stainless steel strap When the sensor straps are installed at the invert of a sewer or in the pipe the datalogger can be attached to a sewer s stair rungs If there is a little slack in the cable the datalogger can be accessed from the manhole above the stair rungs When installed in a pipe that is under 12 diameter the steel straps spring into the pipe holding the sensor in place Additional fasteners ar
19. lose I Installing EZ PC Software Doeser aroia es I Initializing Datalogger Tencebseimeuwes II Functions of EZ PC Software 8 eeeeeeeee1 V Installing WL14 Wir V Collecting Data Lien VI Using Data Pisces VIL Pressure and Flow 5 TRE Appendix A Sample Interval Eds Appendix B Unit Conversion Bises Appendix C Battery Replacement 10 Ses Appendix D Calibration Trasse Appendix E Options and Accessories m Global Water 1 800 876 1172 I Installing EZ PC Software Before you install the software check the accuracy of the time and date on your computer The Water Level Logger will be programmed with this information 1 Insert the diskette into your disk drive Note If you are running windows software double click on the MS DOS Prompt icon Note If you are running Windows 95 on a laptop you can save your computer s battery power by pressing F8 during the boot up process and pressing option 6 to boot the command line only EZ PC software doesn t require anything other than a clean boot of MS DOS on Windows 95 command line to run or install 2 At the MS DOS prompt on your computer type the letter of the drive that you inserted the EZ PC software into then gt Example a gt Type setup space and the letter of the hard disk drive that you would like the software installed on to Example a gt setup C If you desire the software to be installed onto a sub directory add that
20. n the top of the well pipe see drawing at right The logger can be concealed by a slip cap or a locking well cap The cable length of the Logger is sized so the sensor can be positioned below the lowest expected water level which is not necessarily the bottom of the well The required cable length for the Water Level Logger is from the top of the Logger to the bottom of the sensor The sensor s measuring range should be slightly larger than the expected total amount of change in water level The Water Level Logger can be adapted to larger or smaller well casings by using standard PVC pipe reducers and fittings The cable length is extremely difficult to increase since it has internal vent tubing If you have 2 or larger wells the cable may be shortened simply by coiling it around a 1 diameter stick or pipe and securing it to the stick at both ends Fits inside 2 Fits under standard or locking well cap Serial Data well 4 Na port Stores 6000 gt readings PSE to larger wells Protected with standard atmospheric pipe fittings vent for barometric pressure compensation LAN Sensor Cable Length positioned as required to below the 50 lowest expected water level peo Pipe Cap Logger Die 2 PVC Pipe or Conduit 45 Sweep Bank Sensor 2 Surface Water The best way to install the Water Level Logger in surface water is to use a 2 pipe to protect the sensor and the d
21. nnection from the data logger If you want to abort the search press any key while this message is displayed Global Water Field Data Logger System Ver GFDHC1 9 For help call 1 916 638 3429 Waiting for connect from Data Logger Press any key to quit If you notice a problem with getting this screen to come up exit the program and enter it again step 2 Connect one end of the RS232 cable to the computer and one end to the datalogger e If you are using a datalogger with the 2 diameter enclosure standard secure the round cable end to the logger by slowly and gently twisting it over the four pronged serial data port You will feel the cable end fall into place when the prongs are inserted Secure the cable to the port e If you are using a datalogger with the 3 5 diameter enclosure severe environment be sure to firmly attach the male cable end to the logger s serial port Avoid accidentally disconnecting this connection doing so will interrupt the EZ PC program If disconnection and interruption do occur reconnect the cable and restart the program n F Giobal Water 1 800 876 1172 Within a few seconds the Main Menu should appear Global Water Field Data Logger System Ver GFDHC1 9 For help call 1 916 638 3429 Make a choice from the following MAIN MENU Data logger clock 26 Dec 99 15 58 01 Sample interval 15 Sensor Delay 15 Station ID Global Water Move data to file 2949 Cl
22. o enter the desired sample interval in minutes see Appendix A to find how many readings per hour your selected sample interval will take Enter your desired sample interval in minutes Check the main menu to be sure that your time interval is recorded 4 Press 5 to save your already recorded data to a disk file The program will prompt you to enter a valid DOS file name Specify a directory that you would like the data saved to for example c levdata welll The directory that you specify has to exist you must create it in either DOS or Windows mode before attempting to save the data to it We recommend that you import the recorded data into your spreadsheet program so you become familiar with the process Please see section VI Using Data for complete instructions on how to import the data Press 0 zero to quit communications with the datalogger Now that you have checked the logger for accuracy you are ready to travel to the installation site See section IV Installing WL14 in the Field om Global Water ity 1 800 876 1172 III Functions of the EZ Level Software 1 Datalogger clock To change the date time information key 1 and Enter This procedure replaces the current date time in the WL14 to the current date time of your computer Note Your computer s clock must be accurately set for the datalogger s clock to be correct 2 Sample interval Once you have selected this option from the Main Men
23. pensive laptop to the field for collecting data You may want to consider the purchase of a small inexpensive hand held computer Global Water The Leader in Water Instrumentation 11257 Coloma Rd Gold River CA 95670 USA 800 876 1172 916 638 3429 FAX 916 638 3270 www globalw com or e mail us at globalw globalw com Global Water s WL14 Water Level Logger Level Groundwater Aquifer Monitoring Pump Tests Hazardous Waste Sites Landfill Monitoring Scientific Studies Surface Water Lakes Rivers Reservoirs Wetland Studies Flood Analysis Flow Open Channel Flow River Gauging Stations Irrigation Canals Weir Flumes Sewers CSO Storm Drains Pressure Water System Studies Hydrant Pressure Studies Capacity Studies Process Control Analysis Data e EZ PC Software Included for PC analysis e Tabular Display Printout e Data in ASCII Spreadsheet format e RS232 Cable included connects data port to PC Logger e Weather resistant enclosure e Fits inside 2 pipe e Records 6000 readings e 12 bit or 1 4000 resolution e Battery powered Cable e Marine Grade Heavy Urethane Jacket e Barometric pressure vent e Lengths up to 500 Sensor e Submersible pressure transducer fully encapsulated e Amplified temperature compensated e High accuracy 0 2 overall 0 1 linearity e 3 4 diameter wet wet transducer no vent moisture problems Water Level Logger WL14 Manual Table of Contents
24. ting data depending on the chosen sample interval 2 Take your laptop or hand held computer to the field for collecting data make sure the laptop s battery is charged Attach the RS232 cable from the computer to the logger s serial port start the EZ PC program in DOS on your computer and enter the program s main menu You can begin a previously installed EZ PC program by entering the drive and file the program was installed in Example c EZLEVEL 3 Press 5 Move data to file to save your recorded data to a computer or disk file The program will prompt you to enter a valid DOS file name Specify a directory that you would like the data saved to The directory that you specify has to exist you must create it in either DOS or Windows mode before attempting to save the data to it Example c EZLEVEL welll Do not pause the program or disturb the system 1 e by disconnecting the RS232 cable until all data has been transferred Otherwise the data being transferred may be corrupt or incomplete The Main Menu will appear after all the stored data has been copied to your computer 4 To exit the EZ PC main menu press 0 zero and Enter Shut down your computer disconnect the RS232 cable and you are ready to use the Water Level Logger s data at your office RS232 Cable Logger gt LEZ J A EZ PC Software T lets you download U data to your A HP200LX or other PC with
25. ts the line depth Draw a black ring on the sensor s cable where the water can reach when the sensor is fully submersed into the 3 depth tube Measure the distance from the black ring to the sensor diaphragm located approximately 1 2 from the tip of the probe in the engineering unit you wish for the WL14 This is thdine depth Line Depth if measured in feet convert inches to a decimal 1 Plug the logger into the computer Depending on which serial port you have plugged your logger into in the back of your computer run the appropriate EZ LEVEL program Fill your Depth Tube with water to the top Press 8 Y intercept Enter 0 zero Press 9 Slope Enter 1 one Pull the sensor out of the calibration tube and allow it to stabilize in the air for a few minutes Press 7 Read D