(or FLO-LOGGER, Obsolete) Communications
Contents
1. 4 bytes Cycle time 15 Minutes Total memory capacity in bytes 65 535 divided by total bytes consumed per cycle Cycles Maxi mum 65 535 4 16 383 Cycles Maximum 1440 minutes in a day divided by the Cycle time in minutes Cycles per day 1440 15 2 96 Cycles per day Cycles Maximum divided by Cycles per day Memory Life in days 16 383 96 170 days or 5 6 Months Memory Consumption Table 56 Ultrasonic Level Calibration The Flo Dar Sensor incorpo rates two level sensing sys tems to provide you with both surcharge and non surcharge measurement capabilities The Ultrasonic level sensor is a highly accurate pulse echo transducer that meas ures the distance from the face of the transducer to the reflective target s surface The difference between the distance from the bottom of your monitoring channel and the distance to the water surface from the face of the sensor is the actual depth of the fluid measured While generally not neces sary you may perform a level calibration on the ultra sonic level transducer The level calibration feature al lows you to adjust the cali bration in the level measure ment system Calibrating the level will help you obtain maximum accuracy from the flowmeter To Calculate a Level Calibration on the ultra sonic transducer eftclick the Extended Setup button and choose Ultrasonic Level Cal The Calculate Ultrasonic Level Cal dialog box will launch2. Place the sensor in its mounting cradle in the location for monitoring Measure the distance from the ultra sonic level reference point to the su face of the water target The refer ence point is the top of the stainless steel tubular arm the sensor is cradled in e Enter the distance in the Known edit box e Take a sample from the connected sensor by clicking the Take Sample button Once the sensor completes its calculations the sensed value from the ultrasonic transducer will appear in the Sensor edit box e Thedifference between the meas ured distance and the sensed distance will be calculated and be displayed in the Level Cal edit box e Choose OK and the value will be automatically placed in the Level Cal edit box of the Site Setup page Note f you already know a value or are dissatisfied with the Level Cal re sults you are free to type a value in the Level Cal edit box e DK Communications Flo Dar DC Site Setup Dead Meter Peal Time View Data Leftclick the Extended Setup button and choose Ultrasonic Level Cal Save Site Delete Site Site ID MHA 100 gt Memory Fixed i Erein Maple Avenue Shape Circular Interceptor FEWE Hamete 10 00 ih Cycle Time E min Sediment 0 00 in Samples per cycle Flow Unit MGD TE eo SEC eS needa be gener OG RR EL OCIO PER TOO TOC ROG Sensor Offset 1200 in Cale SUSCI pcd AA Oc od Oe E Ultrasonic Level Cal
3. Start Type Multiplier ee Surcharge Level Cal S N Flow Calc Method Channels 4 2 m On Inches Surcharge Level Ort Inches Analog 4 Ort Voltage p Cancel User Quality Control O Help Calculate Ultrasonic Level Cal X Gite ID TET 100 Distance to Surface Known e o In Sensor 6 0 In Level Cal 0 00 in Take Sample Ultrasonic Level Calibration 57 Surcharge Level Calibration The Flo Dar Sensor in corporates two level sensing systems to pro vide you with both sur charge and non surcharge measurement Capabilities The Surcharge level sen sor iS a pressure trans ducer that measures the hydrostatic pressure of the fluid above the sen sor For increased accu racy it is recommended that you perform a level calibration on the instru ment to be installed The level calibration feature allows you to adjust the calibration in the level measurement system Calibrating the level will help you obtain maximum accuracy from the flow meter To Calculate a Level Calibration on the sur charge transducer eftclick the Extended Setup button and choose Surcharge Level Cal The Calculate Surcharge Level Cal dialog box will launch Place the sensor in a large bucket of water and measure the depth from the surcharge level reference point to the surface of the water The reference point is the stainless steel debris filter covering the transducer opening e Enter th
4. Height edit box is where you input the maxi mum height of the channel you are working with Flo Ware will take this height and divide it up into 64 equal segments starting with 0 00 and ending with the maximum height of the channel To Create a New Table e eftclick the New Table tool button e The Table Properties window will launch Choose the appropriate attributes for you new table and choose OK The Table will generate based on the input data from the Table Properties window Notice the Height column is gray and cannot be edited This is the result of slicing the maximum height entered from the Table Properties w in dow into 64 equal parts It will be the Area and optionally the Multiplier that will be edited In addition the height always starts at 0 00 This is the bottom of the monitoring channel Each successive height is the cumulative area from that height to the bottom of the monitoring channel You are required to enter an area for each of the 64 segments shown This defines the lookup of level to area It is unlikely that you will actually measure exactly 64 different heights in the field that identically match those heights provided in the table In fact it is more likely that you may have less than ten reference measurements from the field that define the channel be ing measured Equally it is unlikely that you would profile and obtain velocity mul tipliers for all 64 height entries In either
5. case Flo Ware provides you with an in terpolate tool that allows you to drag the mouse cursor from a starting point to an ending point then interpolating in be tween This can be done in either the Area column or the Multiplier column Table Psagesties Table Tape m dose and fel Mili dasa and Site Cost un Inches x Naw Height EAG Enter basic table attributes and choose OK Interpolate Tool This tool is grayed out unavailable until you Left click and drag the mouse cursor from a starting cell to a destination cell The Interpolate results are shown above Fig 1 User left clicks the mouse button on the starting cell holds the mouse button down while dragging to the destination cell then clicks the Interpolate tool Fig 2 Shows the results of the interpolation Creating a New Odd Shape Table 69 Saving and Sending the New Table Once the table has been completed you may save it and or send it to the con nected flowmeter Saving the table to your computer system affords you the abil ity to later edit the table or send it to someone else who may use it with a flowmeter Sending the table to a con nected flowmeter instructs the meter to calculate and record data based on the table information present Important You must send the table to the connected flowmeter if you expect to have it record data based on the table information Oth erwise the f
6. meter the 4 20 mA transmitter is opera tional and should be outputting signals proportional to the ranges selected dur ing the setup procedure Choose Save Site to save the current site to the Site ID drop down box Sav ing the site is an added convenience allowing you to easily retrieve the setup information when required DM TTE THIS HE se Esto read etes Hes Tie viensis Pretmences lf Leftclick the Extended Setup button and Gaver Gate Delam Cie Hed Es Choose 4 20mA Sie ID AA 01 100 hao Find beara z Gha La i Dinan 10 00 in Eee Tine mn Seimeni in Jaks fi pero pode Fk b MED dad 5 Sisa Type rrrachun ducas O0 eso Les Cal goin Suche Lived Cl Charrak Flew Cal Maho i r Rm ume T on en usu Dust Control 4 20 m Sebup 4 4 m Setup Hl Flor dmi 1000 He Level imi 0 00 AH oc tm TIT fos Ha Saeharge Lesdl im foul in 4 20mA Outputs Odd Shape Pipe Setup The Model 460 series flow meters support odd shape pipe calculations An odd shape pipe is a channel whose shape is neither cir cular nor rectangular Ex amples of shapes could be and egg oval or any num ber of shapes that are not clearly circular or rectangu lar The pipe shape and wetted area of the monitoring chan nel are important factors when determining flow rates Flow is calculated using the Continuity Equa tion Q VxA Where F
7. telemetry alarm amp control applications A test mode allows you to output a known value be tween 4 and 20 mA The test mode is used to en sure the accuracy of the signal output from the 4 20mA transmitter To Test the Outputs eftclick the Extended Setup button and choose 4 20 mA The 4 20 mA Setup dialog box will launch e Left Click the Test button to launch the 4 20 mA test mode dialog box e Entera value between 4 amp 20 for each of the three outputs and select Output Signal The values will output through the 4 20 transmitter Note The values are fixed digits i e xx xx If you are entering a single digit value as shown below you must enter a leading zero se tup read etes Hes Tae viensis Pretmences lf Leftclick the Extended Setup button and BmeBe Dele fie ead Gata Choose 4 20mA eae ip HAm ena Fi TOR ape nien Ghas Lacula niesc epica serves Credos uu in Dixie Tire rii Seien poo ift Saks promis ees CE Estandar Sisi Tope raram i 11 00 goin Surcharge Level Cal Fea HMeltod E i To Wm oe Une s dus Terperi ss on Deb s Sacha Level on Ldn ale 4 on p riches DATE djim Setup 420 nA Setup m ii Fw dr AM 4 20 m Test Hode 4 20 m Outputs Output i 0400 ma Output 2 0500 ma Dutpurit3 E00 ina Output 4 JUDO ina Qutput Signal 4 20mA Outputs 66 4 20 mA Setu
8. the Trigger Mode e Enter a Trigger Value Note The contact closure will not take affect until you send the setup to the con nected instrument Contact Closure r Contact Closure v Activate Trigger From how Trigger Mode Flow Proportional Trigger Value Test Flow Proportional Greater Than Limit 0 00 F Pulse Duration o msec Trigger Mode Definition Table Contact will close when the Trigger From channel s total reaches the Trigger Value Remaining volume is added to the next cycle Available channels to Trigger From Flow Contact will close when the Trigger From channel is greater than the Trigger Value Available channels to Trigger From Flow Level Surcharge Level Velocity Temperature Main Battery Contact will close when the Trigger From channel is less than or equal to the Trigger Value Available channels to Trigger From Flow Level Surcharge Level Velocity Temperature Main Battery Contact will close each time a sample is taken by the flowmeter Available channels to Trigger From None 71 Contact Closure Setup Reading a Meter Periodically you will need to read the data that resides in your flowmeter and transfer it to your computer system for data processing To ac cess the Read Meterscreen of Flo Ware you simply click the Read Meter tab on the communications window This will jump you to the Read Meter screen To Read the Data From the Flowmeter Initiate communic
9. Discovering Flo Ware Instrument amp Data Management System for Windowse 95 98 2000 Me amp NT e Cross Instrument S upport e Open Ended e Instrument Communications e Data Management e Data Editing e Presentation Quality Charts e Text Report Designer e International Language Support Model 460 464 Flo Dar Software Manual i Marsh McBirney Inc Flowmeters For Engineering the Future Discovering Flo Ware Instrument amp Data Management System for Windowse 95 98 2000 Me amp NT e Cross Instrument Support e Open Ended e Instrument Communications e Data Management e Data Editing e Presentation Quality Charts e Text Report Designer e International Language S upport Model 460 464 Flo Dar System Manual Marsh McBirney Inc Flowmeters For Engineering the Future Tabl e of contents 1 License Agreement hec E cC A N N clas a A teu aiid dailies E A oL LU Saning FIO Ware pP er T TTE rA Gommunicating Witte DEVICE x uuaccseur ecu ire oe deor Nin i aea eosdem ne aga vc s Rt usus duse Vae Stanin a New PO suus ierat idi ur RAS San ovr dRadteinad eti ea trcwc dad da E E xod pP M AD AA Te Raw Data Page tardas paper postera vene E so died M olv aida edes amet eai edi TECNA Pad iia rH erc PRIN Wa A ET Prestormatted ReDOFI is decepta b ceder aad Ra eva cts Navigating the Project RAW Data ioeie e rer Cer eer erue a Navigating the Project Chart Page ocococcoco
10. Flow LI rit mao Extended Setup pr Immediate ho Start Type Multiplier 1 00 Calc SN Channels Velocity On Feet Per Second Calc nf OK Surcharge Level Of Inches FP A Cancel 2 Help User Quality Control Calculate Sensor Offset Cite ID MH A01 100 Distance ta Surface jad im Take Sample Measured Level 4 0 In Sensor Offset 12 00 in Sensor Offset 53 User Data Logging Channels The User Channels are typical items you may log for real world measurements By de fault Level and Velocity channels are turned on These are the minimum required to obtained a calculated flow rate in Flo Ware Note See the memory con sumption table on page 47 of this handbook for a detailed outline of each channel s affect on memory Available Channels Velocity Calculated mean velocity from radar velocity transducer Level Ultrasonic primary level transducer Surcharge Level Secondary surcharge pressure transducer reading Temperature Air temperature around the sensor above the flow Larmurnecabnnes Eba Dkr DJ Site Setup Feed Meter Fleal Time View Date Freterences i omm oie Delels Sie Head eun Send Sedup Site ID hito 100 zl Memo Fives Locsin Nace Amen Shape Circular Bete DIEN emen E i WI ih Click the cell corre senio Oike 1 f sponding to the E Hendad Se channel and choose the unit of measure Click the cell corre spondi
11. Note f you are setting up a rectangu lar or odd shape channel the direct method is grayed out and unavailable You must use the Multiplier method for rectangular and odd shape pipes A default multiplier of 1 00 is used You can adjust the multiplier method s mean velocity output by applying a multiplier value other than 1 00 To determine the multiplier setting refer to the Obtaining a Velocity Multiplier section in this hand book prm unica ne La OR TETTE ste iD MH 401 100 Locator Pe Avenue Shape EM 5 interceptor sever Deme 1 000 Gres mel mn Sediment 1000 co NE per cicle Serea Oise 1200 Fon Ura MGE Z L Extended Se Seal Type Imre ches xl Muil nn Utseonic Level Cal T aura Channel y jise Jem Line aci m Feet Pei Second Irene Cela SuchageLevel if Inches User Quali Conn Communications Fla Dar DC Ske Setup mad Mete Fed Tare View Dala Pint Save She Delete Sie Aradiep Serd Senn a Gs Ip FAH 201 100 Mena Fined Locsin SS Shape r Cyel Tima nin AAN x Smp m per cuele Sensor lise CINE Car gt Flow Lira eco sf TL IT Stat Type maxim w fe an s wa E Feet Per Second Loua On nche PA DF Cekin El oos Df Inches Lie jay Control Flow Calculation Method 59 Obtaining a Velocity Multi plier Each of the two flow cal culation methods allow you to further adjust the mean velocity output by the use of a multipl
12. The contact closure is an auxiliary output available which provides a means of signaling externally when a particular criteria has been met The most common use of the contact closure is for sampler pacing In this case the contact closure can be set to trigger based on a certain volume of flow for example Once this vol ume has reached the con tact closure will trigger causing the sampler to run its pre programmed routine Other uses includes alarms or control signals for routine chemical injections in waste water treatment Note The contact closure is a dry momentary output with a user adjustable pulse duration To Test the Contact Closure eftclick the Extended Setup but ton and select Contact Closure e The Contact Closure dialog box will launch e Click the Activate check box to en able the contact closure e Enter a Pulse Duration This is how long in milliseconds the contact will be closed each time it fires Typically 500 milliseconds 5 seconds is sufficient for sampler pacing Prior to connecting the closure to any auxiliary equipment Check with the manufacturer of the equip ment you are connecting the contact clo sure to for important electrical information and or pulse durations 3 Click the Test button and the contact closure should fire for the duration set To Setup the Contact Closure e Choose what channel you would like to trigger the contact closure from e Choose
13. a Internet Explorer 4 0 Setup H localhost H My Documents Program Files E ACcessones El FloW Reporte Translators Preferences 75 Site Infor mation Once an instrument data file has been loaded into a project Site Information can be accessed by right clicking any of themes that represent data from the file loaded i e flow level velocity Choose Site Information to launch the Site Information dialog box Accessing this feature allows you to both view and modify any available information If you made a mistake during site setup with items such as Site ID Location Diameter Level Cal Surcharge Cal Sediment or the Sensor Offset you may modify these values in Site Information After choosing OK the changes will take effect Data will dynamically recalculate where necessary Flo Ware Unsaved Project ite Information Site p MH A01 100 P EESHD Maple amp venue Interceptor Sewer Shape Circular Diameter fo 00 Level Cal fo 00 surcharge Cal fo 00 A A A O A A E Sediment foco o R Sensor Offset fizo Multiplier p 00 Site Information 76 Marsh McBirney Inc 4539 Metropolitan Court Frederick MD 21704 Ph 800 368 2723 301 874 5599 Fax 301 874 2172 http www marsh mcbirney com
14. a is multiplied by the mean velocity from the sensor to arrive at an accurate flow measurement Note You may further increase the accuracy of flow measurements by ap plying a velocity multiplier for up to all 64 of the level area segments provided See Obtaining a Velocity Multiplier on page 58 of this handbook seein HAT TOD Wake Anse Lembo Irdaca por Soe Dee Tine nn areas L par cych Flea Link OPH E Left Clickto create a new Cnararcasunrz Aine Eye LPSE LLL Bate tun Read Helen Feel Tere View Data Prsterenoss Sut T ups haran Fani Pu Second Inhar Lata Left Click to open an existing odd shape table Leftclick the Shape drop down box and Fixing select Odd Leftclick the Select Ta ble tool button to launch the Table Window Odd Shape Pipe Setup 68 Creating a New Odd Shape Table As described previously to create a new odd shape ta ble you must left click the New Table button After clicking this tool button the Table Properties window will launch This is a dialog box requesting some gen eral attributes for your new table If attached to a Flo Dar sen Sor you will select an Area amp Velocity Multipliertable type The Units drop down box allows you to select from several different standard and metric measurement units for your table This is simply your preference for measurements i e inches or feet The Max
15. alc Button next to the mul tiplier edit box 62 8 Calibration Method This method requires you to take instantaneous ve locity at 8 x the depth of flow measured The ve locity measurement is usually taken with the MMI Model 2000 hand held velocity meter The criteria needed to cal culate a site coefficient using the 8 method is as follows 1 Measured Level Measured velocity at 8 x the depth of flow 3 Mean Velocity from sensor To calculate the Multi plier 1 Leftclick the Calc button next to the Multiplier edit box Select the 8 method from the Cal Method drop down box Obtain the mean velocity with your hand held velocity meter and enter the value in the Vel edit box Obtain the mean velocity from the sensor by choosing the Take Sa m plebutton The sensor will return the mean velocity within about 1 minute The multiplier will be displayed in the Multiplier edit box Choose OK to return to the Site Setup window with the new multiplier displayed Fio Daa DC Sile Setup Fead Meter Fel Tire Wiew Data Prefer Gave Site Eisat Bie Read Lon niinc Ennis Gite ID WMH 401 100 T hi Fad Lacan Mapia Avarua rape Gwis amp JIniencepior sene Doe 00 E Cyela Time min Sednem 0 in TR I per oole Genco Ose 1200 in Esk Fiw Und G0 Extended Setup ww SE es ac 100 5H dr Feet Per Seow Inches Celsius In
16. ally 1 for opti mum battery life Start Type drop down box Choose Immediate to commence sampling once the setup has been sent to the flowmeter Delayed to start the sampling at a pre determined date and time Memory drop down box Choosing fixed will instruct the flowmeter to shut down after the memory is full Choosing Wraparound will instruct the flowmeter to overwrite data in memory once it is full With the standard level and velocity channels turned on with a cycle time of 15 minutes you will be able to record approx i mately 5 5 months of data before the memory becomes full Note See the memory consumption table on page 47 of this handbook for a detailed outline of each channel s affect on memory Shape Click the drop down box and select a pipe shape i e circular rectangular odd See page 68 for odd shape pipe setup Pipe Size Enter the dimensions of the monitoring channel or enter table information when the channel shape is odd Several items may require extended information to setup your flowmeter properly To access these features leftclick the Calc Button next to the corresponding item These items are as follows Ultrasonic Level Cal Adjusts the calibration in the primary level measurement system Surcharge Level Cal Adjusts the calibration in the secondary surcharge level measurement system Flow Calc Method Two different flow calculation methods can be utilized The direct mean velocity method or the
17. ations with the connected meter by clicking the Show Data Span button Communications will start with the connected me ter The data span will be displayed This is the start date time and the end date time of your data By default all of the data will be selected for upload You may however change the dates and times of the data to upload This is a very convenient feature for creating data files ex actly one month long for example Choose Clear Memory to erase the data from either the Main Memory or Backup Memory depending on which you chose to read Warning All data will be cleared Be certain you have uploaded all of the data from memory before clearing Communications Flow System LPS Flo Dar Site Setup Head Meter Real Time Wiem Data Preferences S N 460000735 Data Span 06 19 2001 08 00 AM 10 21 01 01 25 00 PM Start Time End Time 671972001 2 00 00 AM p 3182001 EF September 2001 Sun Mon Tue Wed Thu Stark 2 3 4 5 b ls 10 11 12 13 16 17 E 19 20 Memory Remaining 122 Days 23 24 25 2 ZE 30 10 21 2001 ff OF x Cancel 7 Help Reading a Meter 72 Real Time Real Time is a feature that allows you to view an instantaneous data burst from the connected flowmeter Viewing this data does not affect the data collection of the flowmeter The Real Time feature is generally used for on site diagnostics To access the Real Time screen for the Flo Dar you simply click the Real Time
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19. chez Calculate Velocity Multiplier E Gite ID MH A01 100 Cal Method Eu Meas Level le in Vel 4 80 in 00 fps Sensor Velocity Take Sample Mean Velocity 2 88 Multiplier 1 04 x Cancel Profiled Flaw 0 6628 mad 8 Calibration Method Leftclick the Calc Button next to the mul tiplier edit box 63 2 4 8 Cali bration Method This method requires you to take instantaneous ve locity at 2 4 4 8 x the depth of flow measured The velocity measure ment is usually taken with the MMI Model 2000 hand held velocity meter The criteria needed to cal culate a site coefficient using the 2 4 8 method is as follows 1 Measured Level Measured velocity at 2 4 8x the depth of flow 3 Mean Velocity from sensor To calculate the Multi plier Leftclick the Calc button next to the Multiplier edit box Select the 2 4 8 method from the Cal Method drop down box Obtain the mean velocity with your hand held velocity meter and enter the value in the appropriate Vel edit boxes Obtain the mean velocity from the sensor by choosing the Take Sa m plebutton The sensor will return the mean velocity within about 1 minute The multiplier will be displayed in the Multiplier edit box Choose OK to return to the Site Setup window with the new multiplier displayed Fio Daa DC Sile Setup Fead Meter Fel Tire Wiew Data Prefer Gave Site Eisat Bi
20. d is an advanced algorithm that directly converts the sur face velocity to an accu rate mean velocity in cir cular open channels The direct method is gen erally suitable for circular pipes ranging in size from 6 to 54 To further re fine the data from the di rect method you are able to apply a constant multi plier to the flow equation This can further increase the accuracy of your data The multiplier method is an additional flow calcu lation method available for use The multiplier method is used in rectan gular or odd shape pipes and when flow conditions may be peculiar and such that the direct method is not quite as accurate as may be desired To Setup the Direct Method eftclick the Extended Setup button and choose Flow Calc Method Another menu will fly out Select the Direct Method Note f you are setting up a rectangu lar or odd shape channel the direct method is grayed out and unavailable You must use the Multiplier method for rectangular or odd shape pipes A default multiplier of 1 00 is used You can adjust the direct method s mean velocity output by applying a multiplier value other than 1 00 To determine the multiplier setting refer to the Obtaining a Velocity Multiplier section in this hand book To Setup the Multiplier Method eftclick the Extended Setup button and choose Flow Calc Method Another menu will fly out Select the Multiplier Method
21. e _ Reed Lon niinc Ennis Gite ID WMH 401 100 T llaman Fad Litai Hapa scr shape Cidar Jinbanca pios isset Dieli 10 00 fp Cycle Tire min Sediment ip Samples f pe oyle Genco D se 1200 in Lak Flow Unk He Extended Setup ge SE es ac 100 SH Logging lini m Feet Per Second Irz he Celsius Inchez Calculate Velocity Hultiplier E Gite ID MH 201 1 t Cal Method EMI Meas Level le in Sensor Velocity Take Sample Mean Velocity Multiplier Vel 1 20 in 00 os Vel 2 40 in fps Vel 4 BD in fos 0 35 Profiled Flow 0 2210 mod X Cancel 2 4 8 Calibration Method Leftclick the Calc Button next to the mul tiplier edit box 64 Known Cali bration Method This method often called the 2D method consists of taking instantaneous velocity readings at many different points throughout the flow cross section to obtain an instantaneous average velocity The ve locity measurements are usually taken with the MMI Model 2000 hand held velocity meter The criteria needed to cal culate a site coefficient using the Known Average method is as follows 1 Average velocity reading through the flow stream 2 Mean Velocity from sensor To calculate the Multi plier 1 Leftclick the Calc button next to the Multiplier edit box Select the Known Average method from the Cal Method drop down box Obtain the mean velocit
22. e measured level value in the Known edit box e Take a sample from the connected sensor by clicking the Take Sample button Once the sensor completes its calculations the sensed value from the pressure transducer will appear in the Sensor edit box e The difference between the meas ured level and the sensed level will calculate and be displayed in the Sur charge Level Cal edit box Choose OK and the value will be automatically placed in the Surcharge edit box of the Site Setup page Note f you already know a value or are dissatisfied with the Level Cal re sults you are free to type a value in the Surcharge Cal edit box Commanicaliona Fln PET ELH Sie Sup e Real Leftclick the Extended Setup button and s esi Meter Feel Tis Vew Ed Choose Surcharge Level Cal Sore Sie Dage Jite c T sita D MEAD Memory Faved r PA ante torera Shape 104a d Intercaptor sane Ulani fom la Dida timal E m sedmen in Sample ho pei cycla Serao Dlie 10D in EE Feli 5D E MAA Stat Typo irren ES CENE MES es sn O CN Hama m Analog A Calculate Surcharge Level Cal Site ID mMH 201 100 Fluid Depth over Pressure Transducer Known fi 0 In Sensor 4 75 im Lake Sample Level Cal 0 25 in Surcharge Level Calibration 58 Flow Calcula tion Method The Flo Dar system al lows for two different flow calculation methods The direct method and the Multiplier method The direct metho
23. e to a misaligned sensor or very irregular fluid surface Surface Velocity Raw surface velocity from the radar velocity transducer Main Battery Battery voltage from the primary battery source Analog C Backup Battery Battery voltage from the backup lithium battery source Quality Control Data Logging Channels 55 Memory Con sumption Table As detailed in earlier pages there are many channels available to you for logging As you add more and more channels for logging you lose more and more memory capac ity The memory in your system is capable of stor ing 65 535 bytes of infor mation The Memory Con sumption Table will help you determine how long the monitor will be able to log before reaching capac ity As a rule of thumb don t log anything you don t need If you are interested in gathering flow data turn on velocity amp level Flo Ware will calculate flow rates and totals for you These are selected on by default User Channels Quality Control Channels Channel Name Bytes per cycle Channel Name Bytes per cycle Velocity Surface Velocity Level Signal Strength 1 Surcharge Level Minimum Distance Maximum Distance Distance Number of distance readings 1 Main Battery Analog C Backup Battery M NOS To calculate the memory life Add up the total number of bytes per cycle from the channels you plan to turn on for logging Example Velocity on 2 bytes Level on 2 bytes Total
24. ed A A RA NE Cd Doe GS ie OS PUSS STIS cae ea xata bcati ae dod a os loas Creating a New Odd Shape Table sssssssssssssssssssese nemen memes Saving and Sending the New Table banice a a a e mmm nes Contact ClOSUlE eiie x E O Reading AWG EE I Io E jo E A c T iE IPLE RUE USE A RI E A aA E Me ETC Table of Contents Updating Firmware From time to time the internal firmware version of the Flo Dar monitor may be updated Updates are typically done to enhance features and functions based on user input and are phased into a new version when appropriate Your Flo Dar monitor comes with the capability of updat ing the internal firmware program in field This powerful feature gives you the flexibility of keeping up to date with changes to the system with out having to send the monitor in for upgrades Firmware versions of 1 38 and higher support field programmability by the user Keeping your firmware version up to date is important as it ensures you are utilizing the latest features and functions available If you own multiple monitors it ensures that they are all operating on both the latest and the same versions FE Flo Ware x Sora ee ee once To check the version of internal firmware from a connected monitor el Ea E Languages Li Hainger b Custom Theme 1 Choose Options gt Flow System gt Flo Dar from the Flow System LPS Flo D a
25. elocity meter The criteria needed to cal culate a site coefficient using the 4 method is as follows 1 Measured Level Velocity reading at 4 x the depth of flow 3 Mean Velocity from sensor To calculate the Multi plier 1 Leftclick the Calc button next to the Multiplier edit box Select the 4 method from the Cal Method drop down box Obtain the mean velocity with your hand held velocity meter and enter the value in the Vel edit box Obtain the mean velocity from the sensor by choosing the Take Sa m plebutton The sensor will return the mean velocity within about 1 minute The multiplier will be displayed in the Multiplier edit box Choose OK to return to the Site Setup window with the new multiplier displayed Fio Daa DC Sile Setup Fead Meter Fel Tire Wiew Data Prefer Gave Site Eisat Bie _ Reed Lon niinc Ennis Gite ID WMH 401 100 T hi Fad Jinbanca plor isset Diele O00 a Cycle Tire min Sediment ip Samples f pe oyle Genco D se 1200 in Lak Flow Unk He Extended Setup ge SE es ac 100 SH Logging lini m Feet Per Second Irz he Celsius Inchez Calculate Velocity Multiplier E Gite ID MH A01 100 Cal Method f a Meas Level E in Vel i 2 40 in 00 fps Sensor Velocity Take Sample Mean Velocity 2 88 Multiplier 1 04 x Cancel Profiled Flaw 0 6628 mad 4 Calibration Method Leftclick the C
26. ier constant The multiplier takes the mean velocity calculation and multiplies it by the value you choose By default the multiplier is set to 1 00 which will not affect the mean velocity output from either flow calcula tion method Changing the multiplier to a value other than 1 00 can help you obtain maximum ac curacy from the instru ment Obtaining a value is achieved through the use of common velocity profil ing techniques The Marsh McBirney model 2000 handheld velocity meter makes profiling easy Choosing a Calculation Method To choose between flow calculation methods 1 Leftclick the Calc button next to the Multiplier edit box 2 Leftclick the arrow on the Cal Method drop down box 3 Choose the method you would like to use Once the method is selected you may choose the Calc button next to the Mul tiplier edit box The Calc button launches the Calculate Velocity Mult plier window This window is used when performing velocity profiling Ve locity profiling methods are utilized to obtain an instantaneous mean velocity in the flow stream Defining the instan taneous mean velocity and the instanta neous velocity from the sensor will aid in the determination of the refined veloc ity multiplier you will use to enhance flow accuracy Five different profiling methods are available for your use While these methods are each different they are designed to achieve the same result to calculate
27. iously saved can be retrieved by clicking the Site ID drop down box Once the box drops down you can scroll through the available set ups Once the desired site is highlighted left click your mouse to select it Left clicking the Read Setup button will initiate communications with the connected flowmeter and the setup data will be transferred from the flow meter to the screen of your computer After the setup is displayed you can choose Save Site to save the setup from the connected flowmeter to the Flo Ware site list file Communecations Flo Drar DE Sie Setup Read Maler Raal Tina View Data Prelenencas Sera Siles plein Sie Azad Setup Extended Setup menu is viewed by Site Setup Fields Site ID drop down box Enter an Alpha numeric descriptor i e Manhole Number to identify the site being setup Sein rH 301708 Locsin Mapi mod interceptas iil Dixie Tires 5 me Sampi pal cud keman Fined Shape icut Diss ood Fl Sedmeni Sane Dita s Ca Exended Setup e Huge 1 i Ca clicking Extended Setup button Location edit boxes Enter information that de scribes the location of the site being setup Few pe HGD E Sia Type rre E C hannes Cycle Time Choose the interval how often that you would like the flowmeter to turn on and sample data typically 15 minutes Samples per Cycle Choose how many samples you would like to take per cycle typic
28. low Q Mean Velocity V x Area A To achieve any kind of ac curacy we must define the area of the monitoring chan nel For a circular pipe flow ing full the calculation is simple pi radius A rectan gular shape pipe is even easier width x height area An odd shape pipe is much more complex be cause the shape and area is not necessarily easily de rived Combine this with the dynamic ever changing depth of flow in a typical channel and determining the flow rate becomes much more difficult To Setup an Odd Shape Pipe 9 Leftclick the Shape drop down box and select Odd e The Status edit box will display empty until a table is loaded e To create a table or open a previ ously saved table leftclick the Select Table button next to the Status edit box A blank Table window will launch It is at this point where you can create a new table or open a previously saved table The odd shape table defines the area of the monitoring channel by slicing the height of the channel into 64 equal parts You are required to enter the area of the c hannel at each of the 64 segments provided by Flo Ware When you Send Setup the table will be em bedded in the logger setup so that accu rate real time and stored data can be obtained In general the odd shape table is a look up that takes the sensed level from the sensor and obtains the corresponding area from the table provided by you From there the are
29. lowmeter will continue to log data based on the last setup that was sent to it To Save the New Table eftclick the Save Table tool button The Save Table dialog box will launch Enter a filename of your choice and select OK Since the table is now saved it may be re opened at a later date for viewing edit ing or sending to a flowmeter To Send the Table to a Connected Flowmeter e Choose OK when completely fin ished with editing and saving the table 3 Youwill return to Site Setup with the Status box reading Ready to Send This means that the table is loaded into computer memory but must be sent to the connected flowmeter before taking affect Choose Send Setup to send the en tire Site Setup including the odd shape table to the connected flow meter Labia Click the Save tool button to save the table Choose OK to return to Site Setup with the Table loaded in memory Note You must Send Setup to embed the table data in the con nected flowmeter Lammunicabone Flow System LPS Fio Dian i Sin Sakap Fiesd Mete Heal Time View Data Preferences Tave Sie Dells Sie Head Sep send Selo Sie p JM T 00 s Meme Ped EN aeaea Esl Crode Tire 13 min Cenicles fi TEES EL Cat Estended Seiuc ye per cucie Flow Unt Se 7 Chet Type immechete E i Feet Pai Second licks Caus In cres Saving and Sending the New Table 70 Contact Closure Setup
30. nel to the top of the mounting cradle To Calculate the Sensor Offset e eftclick the Calc button next to the Sensor Offset edit box Place the sensor in its mounting cradle in the location for monitoring Take a sample from the connected sen sor by clicking the Take Sample button Once the sensor completes its calcula tions the distance to the surface will be displayed in the Distance to Surface edit box e Enter the actual level of the fluid being measured i e pipe diameter minus the air gap equals the fluid level in the Measured Leveledit box Note The air gap is the dis tance from the crown of the pipe to the fluid surface The Distance to Surface plus the actual fluid level measurement will cal culate and be displayed in the Sensor Offset edit box eftclick the OK button to go back to the Setup screen The sen sor offset will be displayed in the Sensor Offset edit box of the Site Setup screen Note f you already know a value or are dissatisfied with the Level Offset results you are free to type a value in the Level Offset edit box E Communications Flo Dar Dt site Setup Read Meter Heal Time View Data Preferences Save Site Delete Site Head Setup Send Setup Site ID MHAD 100 Memory Fixed Location Maple Avenue Shape Circular Interceptor geWer OT 10 00 2 Cycle Time 15 min Sediment o oo in Samples per cycle Sensor Offset 12 00 in
31. ng to the channel and choose to turn logging on off Feet Per 5econd Ires Daus Inch s User Data Logging Channels 54 Quality Con trol Data Log ging Channels The Quality Control Channels are items you would log for system di agnostics By system we mean both the sens ing and logging system as well as the system being measured i e sewer pipe By default all of the quality control channels are turned off These will consume additional memory and are not necessary to obtain the flow data you need If the stored data from your system seems to be in question enabling some of these channels temporarily i e 1 2 weeks can help deter mine if there is a prob lem with the measure ment system or the sys tem being measured Note See the memory con sumption table on page 47 of this handbook for a detailed outline of each channel s affect on memory Coser c alim Ple DE Site Setup Resides Ara sul view Date ai Eb Bend St hap Available Channels Velocity Signal Strength The Velocity Signal Strength gie p PH 401 100 x Manic x E is an indication of the intensity of the returned signals Location Pape iem Shape Chos reflecting from the fluid surface frimcapa ra ar Dieter uu i colm m Seded i Level Signal Strength The Level Signal Strength is an cUm a EE cae indication of the intensity of the returned sig nals reflecting from the fl
32. o Load a Previously Saved Real time File e Clickthe Loadbutton at the bottom of the dialog box Select the Site you would like to view and choose OK 12 You may scroll through each of the real time samples by choosing the appropriate navigation arrows Yendi Spoctium ips Real Time 73 View Data Each time you read a meter a data file is created and is stored in a folder and drive you specify in the preferences section To view the stored data from the flowmeter click the View Data tab from the communications window This will jump you to the data files screen which is a list of all of the available data files in that particular folder on your computer system Data files are selected by clicking the file name that you would like to view After highlighting a file you can select the OK button to open the selected file into a Flo Ware project Flo Ware will ask if you want to e Import the data into a New Project This will load the data into a new blank project e Import the data into the Active Project if available If there is a Flo Ware project open the program will attempt to load the data into it You may want to do this to display more than one Flow System file in one Flo Ware project Click the Browse button to choose Current path of the data file loca another disk drive and or folder on tion your computer system Communications Flo D ar DC Look In AProgram Files sFla are D ata Browse L
33. o executing the Send Setup command If there is valuable data in the flowmeter that you have not previously read choose Read Meter See Heading a Meter in this handbook for detailed instructions Communications fFla D ar DC Sie Setup Fiod iater Raa Thre Vis Data Pistorarcas Sara gha elis bin Fizad Sao Send Se T DESEE ehe o x ZE Breenpkrseme Biene 10 00 e Soden 2 in Sensor Ere in Eiterded Setup w EE Eum 54H Note During the Send Setup procedure Flo Ware will pop up a dialog box displaying the date and time stored in your flowmeter s clock and your computer s clock If necessary it is at this point you may edit the date amp time of the A flowmeter clock Cyc tines mn Fi Samia per caca Flo Lind Inn T Stat Tepe fined aa Chann Fest Pen Zecond Fee E iz Silt Inc Fees Editing Site Setup Data Sensor Offset User Data Logging Chan nels Quality Control Data Logging Channels Memory Consumption Table Ultrasonic Level Calibra tion Surcharge Level Calibra tion Flow Calculation Method Obtaining a Velociity Mul tiplier 9 x Vmax Method 4 Method 8 Method 2 4 8 Method Known Average Method 4 20 mA Outputs Odd Shape Pipe Setup Contact Closure Setup Site Setup 51 Editing Site Setup Data The site setup entries should all be carefully checked before sending the setup to the flowmeter Setups that have been prev
34. ocatior ADI 100 fs1 21 08 10 99 06 06 54 PM 12 13 1999 03 34 54 PM Mapl ADI 101 fs 21 08 10 99 06 06 54 PM 12 13 1999 03 39 54 PM Mapi Click the file name to select highlight the file View Data 74 Pr ef er ences The Preferences feature of the Flo Tote communications is simply where you set the default path for your data files to be stored When you read data from the connected flowmeter to the computer the data will be stored in the path listed on the Preferences page To select a default file folder click the Browse button from the Preferences page This will launch the Browse for Folder dialog box that will enable you to navigate drives and folders on your computer system The Browse for Folder dialog box gives you a hierarchical tree view of the disk drives and folders on your computer Click the sign to expand the tree and click the sign to collapse the tree The example below shows our file path to be C Program Files Flo Ware Data The full path of the data file desti Click the Browse button to choose nation folder a disk drive and folder on your computer system Communications Flo T ote Sito Setup Read Meter Raa Tina Vien Data Preferences Aaa E Fla Data The Default Data Folder drop down box contains a history list of the folders you have accessed Se lect a path and choose delete to remove the path from the dorp down list E Select Folder Folder C Program Files Flow Ware Dat
35. om instrument Are you sure you want to continue Fume Doeninad 1 60 1 Process may take several minutes Check marks inform that the specified task is complete Frmwsre Update Sts Checking for Commected inzirumaent Clearing Flash Sectors Durwnfeokt ng New F irrmare Inlilalinng Pr egssur MAA AAN Progress Bar Indicator displays the com pletion amount of the firmware download Update Complete E x ou may now send a setup to the connected instrument Updating Firmware Cont 49 Flo dar Communications In Addition to many reporting and data management functions the Flo Dar File Driver allows for communications and other instrument services for your Flo Dar system These features allow you to perform Communications Flow System LPS Flo D ar X Site Setup Used to configure your flowmeter to a particular meter Site Setup Read Meter Real Time View Data Preferences ing site Save Site Delete Site Read Setup Send Setup Site ID MH 01 100 TUM wrapped Read Meter Used to transfer stored data from your flowmeter to Lacan Maple Avenue She Circula e your computer system for data processing fire lor 5 meo EE a E Diameter in Real Time Used to view instantaneous data from the connected Ds Me Sediment DU in flowmeter Samples fi per cycle Sensor Offset 16 00 in Lees Flow Unit GPM y Extended Setup wr View Data Used to view stored data files on y
36. our computer system Start Type Immediate z Multiplier fi 40 Calc Preferences Used to select the default file path where your data S M 460000135 files will be saved to Velocity Or Feet Per Second Level Inches Temperature Celsius Surcharge Level Inches Quality Contral Flo Dar Communications 50 Site Setup Site Setup is used to configure your flowmeter to a particular metering site Once a setup has been sent to the flowmeter then it will stay at that configuration until a new setup is sent to the meter Sometimes you may find it convenient to pre setup metering sites in the office as opposed to performing the setup in the field In this case you can save setups by clicking the Save Site button Once in the field you may simply choose the par ticular site where you are located and choose the Send Setup button Clicking the Delete Site button will re move the active site from your computer system Note Saving a setup does not affect the setup in the meter Changes take effect only when a setup is sent to the meter In addition sending the setup to the meter will automatically save the setup on your computer sys tem Therefore if you send a setup to the meter it is not necessary that you take the extra step of saving the setup by clicking the Save Site button Caution Sending a setup to the connected flowmeter will clear any data that resides in the flowmeter memory Flo Ware will warn you of this prior t
37. p cont Setting up the 4 20 mA transmitter requires you to choose a range for each of the four outputs flow level velocity amp surcharge level The range selected deter mines the values output by the 4 20mA transmitter 4 mA represents the minimum of your range and 20 mA represents the maximum of your range Example Typical Flow Range 0 1 000 00 gpm Pipe Size 12 00 Inches Typical Velocity Range 0 6 00 fps Manhole Depth less pipe di ameter 60 00 in In this case and as illus trated at right we have de cided to set the flow output to its typical range The level output has been set to the pipe diameter 12 00 inches the velocity has been set to its typical range and the surcharge level has been set to the depth of the manhole from the crown of the pipe to the manhole lid To Setup the Outputs eftclick the Extended Setup button and choose 4 20 mA The 4 20 mA Setup dialog box will launch Enter the minimum value you would like to use in the 4 mA edit box for Channel 1 Flow 3 Enter the maximum value you would like to use in the 20 mA edit box for Channel 1 Flow Repeat for channel 2 3 and chan nel 4 e Choose OK to accept the changes and return to Site Setup fyouare completely finished with the site setup parameters you may choose Send Setup This will download the setup to the connected meter Once the setup issent to the connected
38. ption To update the firmware Choose Options gt Flow System Flo Dar gt Download Firmwarefrom the main menu of Flo Ware The Firmware Download message box will appear This message warns you that all logged data will be erased if you proceed with the firmware download Choose Yesto continue or No to cancel the opera tion If you select Yesto the Firmware Download mes sage box Flo Ware will continue to proceed with the firmware update The Firmware Download window will launch automatically taking control of the sys tem The process is automatic at this point and may take several minutes to complete Check marks display when a task for the firmware update process have been completed A progress indicator will up date as the actual firmware program is being sent to the monitor Once completed successfully an Update Complete message box will display This message box in forms you that the update was complete and that you may now send a setup to the connected instru ment Keep in mind the site setup and any logged data are erased during the firmware update so it is important that you perform a Site Setup on the con nected instrument Ea FloW are File Edit View Options Window Help e ea Languages T Hainger k k Custam Theme i F k Communications Flow System LPS Fla D ar Flo Tote Help Download Firmware Firmware Download 4 AX 9 Downloading firmware will erase all logged data fr
39. r Communications main menu bar of Flo Ware Flo T ote Help Download Firmware 2 Atthe Site Setup window choose Read Setup The current setup from the connected monitor will Comma nicabions Flow Syste LPS Flo r J N transfer to the screen of your computer Side Soup Head Mele Fea Time Vim Dala Pelem Gee eee omes T3 Note You must be connected to a monitor to utilize the lll a Read Setup feature Focus Maple Averus celos Dames 20 p 3 Place your mouse cursor over the S N serial Cole Time 115 mo Seimeni 000 in number field and a tool tip will pop up displaying Ssmoles nc pel ck Senor Olisi i20 gt Exe the Model and Version number Fisu Ura SFM AA Extended 5elup wr i Stat Tune munia 70 als Al ou S N acea Modal 460 Flo Da f Vergon 200 Updating Firmware 48 Updating Firmware Cont Updating the internal firm ware of a Flo Dar monitor is easy After the update is complete the monitor will utilize any and all new features and functions that have been added since the last version During the update proc ess any logged data in cluding site setup informa tion may be lost This is normal because the entire flash memory is cleared and reprogrammed with the new firmware Make certain that you Read Me ter if there is important stored data you need to retrieve Note See Reading a Me ter in this handbook for a detailed descri
40. tab from the communications window This will jump you to the Real Time screen To View Real Time Data From the Connected Flowmeter e Initiate communications with the connected meter by clicking the Sample button Communications will start with the connected meter This may take several seconds e The response time for data varies Whether the sensor is logging data or will soon log data affects the response time Typically the sen sor will return data within 45 seconds Each time a real time is sampled the data is automatically saved to a file represented by the Site ID Communications Flow System LPS Flo Dar S 27 By Default Velocity Level amp Flow are displayed To view any other Si Soh Rod Mater Faa Tave Yim Data Preferences channel simply click any of the three drop down boxes and select the chan Sermo Shae ldla i Seana SEA nel and corresponding units you would like to view velocity e Velocity Spectrum The velocity spectrum is a picture of the surface 223 lips ai In ET FINE velocity in the flow stream as the radar velocity transducer sees it This can S W AEDEDTT 5 Irzrunerk Eck 144542001 4 41 48 PM be an important tool for diagnosing the suitability of the site being monitored Seren SAN DORADO FIOM i rn Ls Along with all real time data these velocity spectrum snapshots are auto Bei eae UTE matically saved for later viewing and analysis by experienced personnel kx 3e 1h T
41. the instantaneous mean veloc ity through the flow stream In short if we divide the profiled mean velocity by the instantaneous sensed velocity we will obtain our velocity multiplier Utilizing each profiling method is de tailed in subsequent pages of this hand book M M M F ALeftclick the Calc Button next to the mul Sile Setup Asad Meter Find Time View Data Prefer Folic edi bax Gave Site Daaa Dile Head ana fEho os OC cra jp MH 201 100 Lagao EE NN Iniencapior zesel ee m NE Flow Unk HG0 Start Type immadares EIA 5hapa Cidar Dise er 10 00 in Sedment 0 00 in Berea Ose 1200 In Extended Setup we oe 100 ZM dr Feet Per Seow pe puris Inches Celsius Calculale aluti Pel aga ligi Sie ID KH 401 100 Sena Velociy Take smps Maan Velocity PT Obtaining a Velocity Multiplier 9 x Vmax Calibration Method This method requires you to take instantaneous ve locity measurements throughout the cross sec tion of the flow to find the maximum velocity The velocity measurements are usually taken with the MMI Model 2000 hand held velocity meter The criteria needed to cal culate a site coefficient using the 9 x Vmax method is as follows 1 Maximum Velocity reading 2 Mean Velocity from sensor To calculate the Multi plier 1 Leftclick the Calc button next to the Multiplier edit box Select the 9 x Vma
42. uid surface calera li sponding to the channel and choose channel and choose to turn logging on off the unit of measure ts rn aec e Click the cell corre aid sponding to the Minimum Distance During any given sample the j sensor takes there are 100 level measure ments taken This is the minimum distance recorded in the 100 readings Distance relates to the measurement between the ultrasonic level transducer and fluid surface Maximum Level During any given sample the sensor takes there are 100 level measurements taken This is the maximum distance recorded in the 100 read ings Distance relates to the measurement between the ultrasonic level transducer and fluid surface Distance During any given sample the sensor takes there are 100 level measurements taken Distance is the average distance recorded in the 100 readings Distance relates to the measurement between the ultrasonic level transducer and fluid surface Note A small variation between the minimum level the actual mean level and the maximum level is an indication of high confidence in the final level reading Large variations are an indication of less certainty and consistency Number of distance readings While gathering a sample the Flo Dar sensor rejects questionable or noisy level readings it encounters The number of distance readings is the amount of valid readings during each cycle Typical values may range from 80 to 100 Low values may be du
43. us E caso HH TIER Creating a Relationship Table iu imos is Ead a es eui bed ode uu B aa Ro re e RAF gan al Tabl e of contents Table Festes OI I QUNM ER Populating the Table with Data sl hut eden idt i Loma teu On RE Rx asses n odere antenas Reconstructing the Data to the table oocococconocconocconcocccccnnoccnno meme Exiting ahd Saving CHANGES da AC cde td MEME o IU ENT E Updating Firmware Continued arsenal cla Laetitia ena ro ue qu od made ed Oro woe cid Nus EE BAS a A II A BASILE A E O E aiu tcta drea idet M ac uedut atu MGE Editing ote poss 0 093 Dadas eee eer a ere aba SEP Or ONS Enan rete Dser Data Eogamg Channels ninia Quality Control Data Logging Channels o oocococococccncnocncoconnncocononcnnnnonncnonononnnonnnconononns Memory Consumption Table gis ooh testo ai ll oo Lat Deck tane NEM Ultrasonic Level GallBEauorzs sis aaa ao Surcharge Level CallBrallonisa usum oi x uud suoi o ina e nda Flow Calculation MEMO x pota verter Yo sundae eek evan s ua qae od Rates alba aad Lada pud a Obialiaing a Velocity MU li s necu ui ooa us Ren nS ten ema tuno du ibat atte datas uade x Vina x Calibration MEMO icono ona du Ed nen EAST Seda 4 Calibration Melhod ii A ATA wan dens M E Ere de 10 Callbration MEMO sucre irai Ai esa er aU OR eDEE 244 9 Calibration Method A Known Calibration Mello de caia tada date ta dui ta eris Satu oi 0r CUO MEER A RN CITUR ERORTTERE MPH ote hy 4 20 MA Selup CODB ssic desi exp
44. velocity multiplier method 4 20 mA An optional 4 20mA circuit card is available allowing you to output a 4 20 mA signal proportional to the flow level amp velocity channels Channels Group Box Many channels are available for logging These channels are grouped into user channels and quality control channels User channels include typical items you may log for real world measurements i e velocity level flow etc Quality control channels include items relating more towards system diagnostics i e velocity signal strength level sig nal strength etc System diagnostics could refer to the monitor amp sensor or the application being measured i e sewer pipe Note Details and logging recommendations are detailed on subsequent pages of this handbook Editing Site Setup Data 52 Sensor Offset The Sensor offset is an important value for over all performance and ac curacy of your level sys tem The sensor offset is the key reference point of where exactly your sensor is installed relative to the bottom of the monitoring channel The difference between the sensor offset and the level measurements ob tained from the sensor s ultrasonic level trans ducer is the actual level of the fluid in the moni toring channel i e 20 offset and a 15 distance to surface reading will calculate a 5 fluid level reading Graphic illustration of sensor offset Measurement is taken from the bottom of the moni toring chan
45. x method from the Cal Method drop down box Calculate the maximum velocity with your hand held velocity meter and enter the value in the Max Vel edit box Obtain the mean velocity from the sensor by choosing the Take Sa m plebutton The sensor will return the mean velocity within about 1 minute The multiplier will be displayed in the Multiplier edit box Choose OK to return to the Site Setup window with the new multiplier displayed Fio Daa DC Sile Setup Fead Meter Fel Tire Wiew Data Prefer Gave Site Eisat Bie _ Reed Lon niinc Ennis Gite ID WMH 401 100 T llaman Fad Litai Hapa scr shape Cidar Inienca ptor sewal Dole 00 Gn Cycle Tire min Sediment ip Samples f pe oyle Genco D se 1200 in Lak Flow Unk He Extended Setup ge SE es ac 100 SH Logging lini m Feet Per Second Inches Celsius Inchez Calculate Velocity Multiplier E Site ID MH 401 100 Cal Method J 3 Max m Meas Level 4 00 in Max Vel ps Sensor Velocity Take Sample Mean Velocity aa Multiplier x Cancel Profiled Flow fo 3553 mgd 9 x Vmax Calibration Method Left click the Calc Button next to the mul tiplier edit box 61 4 Calibration Method This method requires you to take instantaneous ve locity at 4 x the depth of flow measured The ve locity measurement is usually taken with the MMI Model 2000 hand held v
46. y with your hand held velocity meter and enter the value in the Avg Vel edit box Obtain the mean velocity from the sensor by choosing the Take Sa m plebutton The sensor will return the mean velocity within about 1 minute The multiplier will be displayed in the Multiplier edit box Choose OK to return to the Site Setup window with the new multiplier displayed Comminica bona Fion Da DU Sile Setup Fead Meter Fel Tire Wiew Data Prefer Gave Site Eisat Bie _ Reed Gite ID WMH 401 100 T hi Fad Jinbanca plor isset Diele O00 a Cycle Tire min Sediment ip Samples f pe oyle Genco D se 1200 in Lak Flow Unk He Extended Setup ge SE es ac 100 SH Logging lini m Feet Per Second Irz he Celsius Inchez Calculate Velocity Hultiplier E Gite ID MH 201 1 00 Cal Method ERE Meas Level le in Avg Vel 3 00 fos Sensor Velocity Take Sample Mean Velocity 2 88 Multiplier 1 04 x Cancel Profiled Flaw 0 6628 mad Known Calibration Method Leftclick the Calc Button next to the mul tiplier edit box 65 4 20 mA Setup An optional circuit card available for the Model 460 is the 4 20 mA trans mitter This 12 bit four channel plug in allows you to output a 4 20 mA current signal propor tional to the Flow Level Velocity amp Surcharge Level channels The 4 20 mA outputs are com monly used for SCADA PLC
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