"user manual"
Contents
1. PIPE LINING MATERIAL DD MM YY HH MM SS Select pipe lining material Steel Rubber Glass Epoxy Concrete Other m s 14 Portaflow 220 User Manual Issue 1 0 3 Operating Procedures 10 Select the fluid type from the list provided FLUID TYPE DD MM YY HH MM SS and press ENTER Select fluid type If the liquid is not listed select Other and enter a propagation rate in metres second Water Glycol water 50 Glycol water 30 Lubricating oil Diesel Freon Other m s 11 If you need to alter the fluid temperature FLUID TEMPERATURE DD MM YY HH MM SS from that shown select either C or F with the cursor and press the ENTER key Enter Fluid Temperature 12 Enter the new temperature value and press C 5 00 the ENTER key F 41 00 13 The new temperature should now be Cont ANUE indicated in both C and F 14 Select Continue and press ENTER 15 The SENSOR SEPARATION screen now SENSOR SEPARATION DD MM YY HH MM SS displays a summary of the entered Site Quickstart parameters and informs you of the mode of Pipe 58 00 mm operation and the distance to set up Wall 4 00 between the sensors It also shows the type Sensors A ST Reflex Temperature 10 00 C 50 00 F Set sensor separation to 32 2 mm Press to continue AV to select sens of sensors in use i e A ST in the case of PF220A and B ST for PF220B In this example it2. Note If you are unable to get sufficient tension on the chain to hold the assembly in place fully slacken the tensioning thumb wheel and shorten the effective length of the chain wrapped around the pipe by connecting the tensioning bar to the next link in the chain then re tension 2 2 3 Fitting the transducers C Transducer cover plate securing screw B Transducer locating slot lug D Transducer cable connection A Transducer cover plate G Chain E Ultrasonic couplant application Figure 2 3 Fitting the transducers 1 Slide the transducer cover plate A fully towards the outside of the guide assembly to allow sufficient access to fit the transducer Clean the face of the transducer removing all traces of dirt and grease Apply a 3mm bead of ultrasonic couplant along the centre length of the transducer E Fit the transducer into the guide block ensuring the lugs on the sides of the transducer are correctly located into the slots on the sides of the guide block B 5 Slide the transducer cover plate A over the top of the transducer and tighten the thumbscrew C finger tight to secure the transducer in place When securing the cover plate take care to leave sufficient room around the transducer connector D to connect the cable Repeat the above steps for the second transducer Connect the transducers to the Portaflow instrument using the coaxial cables provided The RED cable mus
3. 1 Stop the liquid flow 2 With the instrument in FLOW READING mode press the Velocity function key and observe the reading m s Any reading other than 0 000 indicates an offset error and in practice this will typically be in the range 0 005m s possibly higher on smaller diameter pipes If a greater figure is shown it is worth calibrating the offset to obtain a more accurate result Continue as follows If you have adjusted the Zero Cutoff point to anywhere above 0 you must reset it to 0 before you can observe and adjust the Set zero flow offset as its value is very small Once the Set zero flow offset has been calibrated you can then reapply the Zero Cutoff if required DD MM YY HH MM SS FLOW READING OPTION 3 Press the Options key to access the FLOW READING OPTION screen shown 4 SelectSet zero flow m s and press ENTER 5 Press ENTER on the subsequent screen to accept the change which will return you to the screen shown Data review Zero Cutoff m s Set zero flow m s Damping secs Totaliser Reset Total 6 Scroll down to select Exit and press ENTER to return to the FLOW READING screen Portaflow 220 User Manual 19 Issue 1 0 Cs 3 Operating Procedures AMERS PES Key Point In order to cancel any applied offset you must either read the flow via Quick Start or switch the Portaflow instrument OFF amp ON Any value that you trim out using the offset adjustm
4. Cable Guide Rails x2 Power Supply Batt Charger Transducers Sensors x2 Ruled Separation bar Portaflow 220 Instrument Figure 1 2 Standard Portaflow equipment Standard equipment Portaflow 220 instrument with backlit graphic display Power supply with UK US European adaptors 110 240VAC 4 20mA Pulse Output cable USB cable and RS232 C cable 2 lengths of chain e Test block Transducer cables x2 2 metres long one red and one blue Transducer set x2 type A or type B depending on model Set of guide rails used for mounting the transducers Ruled separation bar 2 piece Ultrasonic couplant with syringe dispenser used when mounting the transducers Manual on CD Portaflow 220 User Manual 3 Issue 1 0 7 General Description micronics 1 4 Portaflow 220 Instrument The Portaflow 220 is a microprocessor controlled instrument operated through a menu system using an inbuilt LCD display and keypad It can be used to display the instantaneous fluid flow rate or velocity together with totalised values The instrument can also provide a current or variable pulse output proportional to the detected flow rate These outputs which can be used with a range of external interface devices such as those found in building management or site monitoring systems can be calibrated to suit a particular flow range 1 4 1 Connectors 4 20mA Pulse Output
5. Transducer Cables a Reset pin hole LCD Display Keypad Battery Charger Figure 1 3 Instrument details Transducer connections The transducers are connected to two colour coded miniature coaxial sockets located on the top of the instrument Using the red blue connector cables provided the upstream transducer should always be connected to the RED socket and the downstream transducer to the BLUE one for a positive flow reading It is safe to connect or disconnect the cable while the instrument is switched on 4 20mA and Pulse output connection The 4 20mA pulse output cable should be connected to the green 7 pin connector on the top of the flowmeter as shown in Figure 1 3 A single cable that can be adapted for use for either of these output functions is included in the Portaflow 220 kit The tails on the free end of the cable must be terminated to suit the intended application Red 4 20mA positive Black 4 20mA negative White Pulse output Green Pulse return Brown Set Point not in present use Blue Set Point return not in present use Thick Black Cable screen Battery charger connection The supplied battery charger is connected to the instrument by means of the grey 2 pin connector on the bottom of the unit as shown in Figure 1 3 Note The above connectors have different key ways to prevent incorrect cable connection 4 Portaflow 220 User Manual Issu
6. and free from grease or contaminants Connectors may be cleaned with a general purpose cleaner if necessary 4 Avoid the use of excessive grease ultrasonic couplant on the sensors as this may impair the performance of the equipment Excessive grease couplant can be removed from the sensors and guide rails using an absorbent paper towel and a general purpose solvent cleaner 5 We recommend that the ultrasonic couplant is replaced on the sensors every 6 months especially on pipes where the application is too hot to touch If the signal level drops below 30 this is also an indication that the sensors need re greasing Regularly check all cables parts for damage Replacement parts are available from Micronics Ensure the person who services your instrument is qualified to do so If in doubt return the instrument to Micronics with a detailed report on the nature of any problem Ensure that suitable precautions are taken when using any materials to clean the instrument sensors The instrument and sensors should be calibrated at least once every 12 months Contact Micronics or your local service agent for details 10 When returning product to Micronics make sure it is clean and please notify Micronics if the instrument has been in contact with any hazardous substances 11 If the instrument was supplied with dust or dirt caps make sure they are re fitted when the instrument is not in use Portaflow 220 User Manual 27 Issue 1 0 4 M
7. mm keys Coarse and LEFT RIGHT Scroll keys Adjust the output current to 4mA 5 amp 6 fine until the output is exactly 4 0mA Use AV to set 5 6 to trim The DAC should indicate approximately DAC Se 3000 8000 4 Press ENTER when done Press when done Portaflow 220 User Manual 23 Issue 1 0 3 Operating Procedures 5 With the meter still connected to the 4 20mA CALIBRATE 20mA output adjust the Scroll keys to obtain an output of exactly 20mA The DAC should indicate approximately Use AV to se sumo DAC Value 6 Press ENTER when done Press 4 20mA Signal scaling Cs ne ae PES HE DD MM YY HH MM SS t 40000 Dim mm Adjust the output current to 20mA 5 6 to trim when done Note The 4 20mA can be set to represent a particular flow range It is also possible to enter a negative figure for the minimum output and this would enable a reverse flow to be monitored 7 With the instrument operating in the FLOW 4 20 mA OUTPUT DD MM YY HH MM SS READING mode press the 4 20mA function 4 20 mA O P is ON Dim mm key This will access the 4 20mA OUTPUT mA Output Reading 0 00 screen Output Range 4 20 Units l min 8 SelectFlow at max output and enter a Flow at max output 0 00 value of the flow rate that you want to Flow at min output 0 00 associate with a 20mA output Output mA for error 22 00 9 SelectFlow at min output and enter a value of the flow rate that you want to associ
8. pipe surface and the face of the transducers is an important factor in achieving a good ultrasound signal strength and therefore maximum accuracy 2 2 2 Attaching the guide rails A Tensioning thumb wheel D Separation bar B Tension bar E Ruler scale 0 C Separation bar securing F Set Separation distance screw G Securing chain Figure 2 2 Guide rail attachment 1 Slide the separation bar D into the front of the left hand guide rail align the front edge of the guide rail with 0 on the ruler scale E and secure it in place by tightening the thumbscrew C 2 Slide the other end of the separation bar into the front of the right hand guide rail align the front edge of the guide rail to the required separation distance obtained from the Portaflow instrument on the ruler F then secure it in place by tightening the thumbscrew 8 Portaflow 220 User Manual Issue 1 0 2 Installation Bam gop ek 3 On each guide rail attach one end of a securing chain to a hook on the tensioning bar B wrap the chain G around the pipe and then attach it to the hook on the other end of the tensioning bar whilst keeping the chain as tight as possible 4 Rotate the complete guide rail assembly so that it is approximately 45 with respect to the top of the pipe Then tighten the chain by turning the tensioning thumb wheel A on each guide block until the assembly is securely attached to the pipe
9. totalised values when enabled In this mode you can select the flow rate measurement units by pressing keys 7 litres 8 Gallons or 9 m or change the display to show velocity by pressing key 4 3 4 Managing Named Sites If you want to monitor a particular site location frequently you can set up a named Site to store the installation details such as pipe dimensions and material required to set up the Portaflow 220 system These can then be recalled later when revisiting that particular location The instrument can store up to 20 sites the first site is reserved for QUICK START and cannot be renamed subsequent sites are initially named EmptySite1 through to EmptySite19 Portaflow 220 User Manual 17 Issue 1 0 3 Operating Procedures ud net ae PES 3 4 1 Setting up a new site 1 Select View Edit Site Datafromthe VIEW EDIT SITE DATA DD MM YY HH MM SS MAIN MENU Dani ny Choose from list of sites Select Choose from list of sites Site name EmptySitel Select one of the EmptySites from the Ra a 00 presented list e g EmptySite 1as Pipe wall thickness 4 00 shown Pipe lining thickness 0 00 4 Select Site name and press ENTER This opens the ALTER NAME screen ALTER NAME DD MM YY HH MM SS Select Alter the Site Name and you site name EmptySitel will be presented with a screen which allows you to enter a new name in much the same Do you wish to way as when comp
10. you scroll beyond the first or last items If you select Exit on any menu it usually takes you back up one level in the menu hierarchy but in some cases it may go directly to the Flow Reading screen Some screens require you to move the cursor left and right along the display as well as up and down This is achieved using keys 5 scroll LEFT and 6 scroll RIGHT Dual function numerical keypad The block of keys shown in the centre of the keypad in Figure 1 4 are dual function keys They can be used to enter straight forward numerical data select the displayed flow units or provide quick access to frequently required control menus Some of the features accessed by these keys are restricted in the Portaflow 220 model range Portaflow 220 User Manual 5 Issue 1 0 7 General Description Ane qe Alles 1 4 3 Power supply and battery charging Operating power is provided by an internal battery that can be charged from the utility supply using the supplied external charger When you first receive the unit you must put the battery on charge for a minimum of 6 5hrs before use A fully charged battery will power the instrument for up to 20hrs depending on the output utilisation and backlight usage If the backlight has been enabled the display is illuminated for 10 seconds every time a key is pressed If the backlight is active continuously it will reduce the available battery operating time to around 8hrs Similarly if the 4 20m
11. 0 times the pipe diameter on the downstream side as shown in Figure 2 1 Flow measurements can be made on shorter lengths of straight pipe down to 10 diameters upstream and 5 diameters downstream but when the transducers are positioned this close to any obstruction the resulting errors can be unpredictable Key Point Do not expect to obtain accurate results if the transducers are positioned close to any obstructions that distort the uniformity of the flow profile Portaflow 220 User Manual Issue 1 0 2 Installation AMERS PES 2 2 Transducer Attachment The transducers are fitted to adjustable guide rails which are secured to the pipe using wrap around chains and mechanically connected together by a steel separation bar The separation bar also acts as a ruler to allow the distance between the transducers to be accurately set to the value determined by the Portaflow instrument When fitting the guide rails it is easiest to assemble them onto the separation bar and adjust to the required separation distance before attaching them to the pipe 2 2 1 Preparation 1 Before you attach the transducers you should first ensure that the proposed location satisfies the distance requirements shown in Figure 2 1 otherwise the resulting accuracy of the flow readings may be affected 2 Prepare the pipe by degreasing it and removing any loose material or flaking paint in order to obtain the best possible surface A smooth contact between
12. A O P is ON Dim mm key This will access the 4 20mA OUTPUT mA Output Reading 0 00 screen Output Range 4 20 Units L min 2 The ON OFF status of the 4 20mA output is Flow at max output 0 00 shown on line 2 of the display Flow at min output 0 00 Output mA for error 22 00 3 To change the ON OFF status select Output Range and press ENTER 4 Select Off to turn OFF the 4 20mA Output 4 20 mA OUTPUT DD MM YY HH MM SS or select one of the output ranges to turn it Dim mm ON off 4 20mA 5 Press ENTER to return to the 4 20mA 0 20mA OUTPUT screen 0 16mA 3 7 2 4 20maA signal calibration and ranging Key Point The 4 20mA output has been calibrated at the factory and should not P require further adjustment In the rare event that re calibration is necessary this procedure should be carried out only by a trained engineer This procedure describes how to calibrate the 4 20mA output and scale it to operate over a defined flow rate range Signal calibration 1 SelectSetup Instrument fromthe MAIN SETUP INSTRUMENT DD MM YY HH MM SS MENU to access the SETUP INSTRUMENT Dim mm screen Set Date amp Time dd mm yy hh mm ss Calibrate 4 20mA 2 Select Calibrate 4 20ma Pulse output Backlight Disabled Factory settings Change Language 3 Connect a calibrated ammeter to the 4 CALIBRATE 4mA DD MM YY HH MM SS 20mA output and adjust the UP DOWN Scroll Dim
13. A output is used constantly at 20mA the battery life would reduce by 20 It is therefore beneficial to turn off the backlight and 4 20mA output facilities when they are not required When the instrument is operating in the Flow Reading mode the percentage battery charge level is displayed symbolically on the LCD screen A warning message is triggered if the charge falls to approximately 30 at which point there is up to four hours of battery operation remaining depending on usage The battery can be charged both while the instrument is in use or when switched off The instrument s internal data is stored in non volatile memory and will not be lost even if the battery discharges completely Key Point The battery is not a user changeable item The instrument must be returned to your distributor if the battery needs replacing Key Point Only use the supplied charger or special adaptor lead Failure to comply with this will invalidate your warranty 1 5 Transducers Different transducer sets are provided with the PF220A and PF220B Portaflow models and are not interchangeable P Key Point Always use the transducers that were supplied with the instrument Transducer set A Supplied as standard on PF220A for use on pipes 13mm to 115mm outside diameter Transducer set B Supplied as standard PF220B for use on pipes 50mm to 1000mm outside diameter 6 Portaflow 220 User Manual Issue 1 0 2 Installation 2 1 Transducer P
14. DD MM YY HH MM SS Dim mm Press ENTER to return to the SETUP passed i INSTRUMENT screen 10 seconds 5 Select Exit then press ENTER to return to 30 seconds the MAIN MENU 1 minute ON Permanently 3 2 Using the Quick Start Menu If you want to perform a one off flow reading at a particular pipe location the Quick Start menu provides the quickest way to set up the Portaflow system and access the FLOW READING screen If the point at which you intend to take the measurement is likely to require regular monitoring it is best to set it up as a Site within the Portaflow 220 which then stores the site parameters See Paragraph 3 4 Before you can use the Portaflow system you need to obtain the following details this information will be required when setting up the Quick Start menu The pipe outside diameter The pipe wall thickness and material The pipe lining thickness and material The type of fluid The fluid temperature Entering the site data 1 Select Quick Start fromthe MAIN MENU and press ENTER You will then be presented with a series of screens in which to enter the data mentioned above 2 Select the dimension units millimetres or DIMENSION UNIT DD MM YY HH MM SS inches used to measure the pipe then press ENTER Select the dimension units mm Inches Portaflow 220 User Manual 13 Issue 1 0 3 Operating Procedures Enter the pipe outside diameter dimension t
15. NG CHARGING DD MM YY HH MM SS and an animated battery symbol indicates that the battery is taking on charge ane 3 Leave the instrument on charge for 6 5 hours MicCrlonics before using it for the first time Selecting a language The first time you switch on the instrument you may be asked to select a user language 1 Switch on the instrument by pressing the ON OFF button 2 If necessary select the required language using the UP DOWN scroll keys then press the ENTER key 3 The selected language will be the default when the instrument is next used To change the language again select the Change Language option in the SETUP O INSTRUMENT screen see below mMmcroics 4 The initialisation screen will be displayed Serial V 00 00 00 00 00 00 00 0000 giving details of the instrument s serial 27 Press to start number and software revision details Press ENTER to start the instrument This is the MAIN MENU and is the starting point for all the operations described in this Quick start chapter View Edit Site Data Data Logger Note Data Logger and RS232 USB functions Setup R5232 USB Setup Instrument are not implemented on the PF220 Read flow MAIN MENU DD MM YY HH MM SS Setting the Date amp Time 1 Select Setup Instrument fromthe MAIN SETUP INSTRUMENT DD MM YY HH MM SS MENU The screen shown here should be EA E ES Ea Rs mm e ate ime mm yy mm ss displ
16. PORTAFLOW 220 Portable Ultrasonic Flowmeter User Manual TUCT OF wes Through measurement comes control Micronics Ltd Knaves Beech Business Centre Davies Way Loudwater High Wycombe Bucks HP10 SQR Telephone 44 0 1628 810456 Facsimilie 44 0 1628 531540 E mail salesemicronicsltd co uk www micronicsflowmeters com Table of Contents 1 General Description 1 1 Introduction 1 2 Principles of Operation 1 3 Supplied Hardware 1 4 Portaflow 220 Instrument 1 4 1 Connectors 1 4 2 Keypad 14 3 Power supply and battery charging 1 5 Transducers 2 Installation 2 1 Transducer Positioning 2 2 Transducer Attachment 2 2 1 Preparation 2 2 2 Attaching the guide rails 2 2 3 Fitting the transducers 3 Operating Procedures 3 1 Setting up the Instrument 3 1 1 Using the instrument for the first time 3 1 2 Enabling disabling the backlight 3 2 Using the Quick Start Menu 3 3 Using the System at a Regularly Monitored Location 3 4 Managing Named Sites 3 4 1 Setting up a new site 3 4 2 Changing a site name 3 5 Instrument Calibration 3 5 1 Adjusting the zero cut off 3 5 2 Adjusting the set zero flow offset 3 5 3 Adjusting the calibration factor 3 5 4 Adjusting the roughness factor 3 5 5 Adjusting the damping factor 3 6 Performing Monitoring Functions 3 6 1 Howto measure totalised flows manually 3 7 Configuring the Portaflow 220 Interfaces 3 7 1 How to turn the 4 20mA output OFF ON 3 7 2 420mA s
17. READING mode you can access a diagnostics screen by pressing the Options function key and then selecting Diagnostics from the FLOW READING OPTIONS screen This will display the operating values for the following parameters Calculated time us This is a value the instrument predicts will be the time in secs that it should take for the acoustic wave to propagate across a particular pipe size This value is ascertained from the data entered by the user i e Pipe size material sensor set etc Actual time ps This is the value the instrument measures as the time taken for the acoustic wave to propagate across the pipe It is used to see if the signal is being taken from the burst at the correct time to get the strongest signal This value is normally a few us below the calculated us value If however this value is much greater than the calculated time then there is a problem with the set up Flow m s This displays flow velocity in m sec to 3 decimal places Signal strength This is the averaged value of Signal and should be a value between 800 and 1600 where 800 is approximately 50 and 1600 is approximately 100 UP DN time difference The difference in transit times between the upstream and downstream signals due to the fluid flow Propagation us Not currently in use Signal propagation Not currently in use Fluid propagation rate This is the sound speed of the fluid calculated using the data entered by the user Fluid p
18. aintenance amp Repair Cs Ane mojpll 28 Portaflow 220 User Manual Issue 1 0 5 Troubleshooting 5 1 Overview If you have a problem with your flow monitoring system it can be due to any of the following Faulty instrument If you suspect the instrument is faulty you can check it out using a test block as described in Paragraph 5 4 This will establish that the instrument is functional and receiving a healthy signal from the connected transducers Incorrect setup A low or zero signal could be caused by incorrect set up such as Incorrect site data entered into the instrument Incorrect or non matching ultrasonic transducers selected for use Incorrectly fitted transducers lack of couplant applied incorrect spacing insecure attachment Poor connections between the probes and the instrument Application problem If you are certain that the instrument is healthy and suitably set up for the current site and the probes are properly assembled and fitted correctly there could be an application problem concerned with the site Check such conditions such as Poor pipe outer surface quality e Uneven surface preventing good surface contact with the transducer e Flaking paint should be removed e Variable air gap in concrete covered pipes affecting the ultrasonic signal quality Poor internal pipe construction e Rough internal pipe walls affecting fluid flow see roughness factor Internal welds p
19. aller than the unit or sensor can be used on Response Enter a valid number Wall thickness out of range Lining thickness out of range Interpretation You have entered an out of range value for the pipe wall thickness dimension accepted range is 1mm 75mm Response Enter a valid number Interpretation You have entered an out of range value for the lining thickness dimension acceptable range is Omm 10mm Response Enter a valid number Temperature range Interpretation You have entered an out of range value for the fluid Temperature Accepted temperature range 20 C to 300 C Response Enter a valid number Invalid Date or Time Interpretation The entered Date or Time is invalid or when setting up timed data logging the Stop time is set earlier than the Start time Response Enter a valid Date and Time Sensors INVALID Interpretation The selected temperature is higher than the maximum allowed for the sensor type Response Enter a different temperature Mode Err Typ Interpretation The selected sensors are invalid and the mode cannot be verified Response Select a mode that gives a non zero separation distance 32 Portaflow 220 User Manual Issue 1 0 5 Troubleshooting BATTERY ERRORS Battery Low Interpretation The battery has discharged to below 30 remaining This leaves the instrument with approximately 4 hours remaining depending on powe
20. ate with a 4mA output This could be 0 10 Select Output mA for error and enter a value max of about 23mA that you want the 4 20mA output to produce in the event of an error e g if the flow rate is outside the set range 11 Upon completion press ENTER to return to the FLOW READING screen 3 7 3 How to convert the measured current to flow rate Assume the maximum flow rate is Fmax l min and the minimum flow rate Fmin is 0 l min as shown 0 16mA scale 0 20mA scale 4 20mA scale I mA 4 8 12 16 20 To calculate the flow rate l min for a measured current I mA then 0 20mA 0 16mA 4 20mA F F x F F ai 1 4 x F F i Flow rate an m min F pin Flow rate E m F nin Flowrate 6 DO F min 24 Portaflow 220 User Manual Issue 1 0 Cs 3 Operating Procedures Bam gopa 3 7 4 How to turn the pulse output OFF ON 1 With the instrument operating in the FLOW PULSE OUTPUT EIDD MM YY HH MM SS READING mode press the Pulse function Steg ii 7s ON Es key to access the PULSE OUTPUT OW eee Vee y AO il output Off 2 APulse output is ON message Vol per pulse 10 00 appears in the second line of the display Pulse width ms 10 Exit 3 Select Exit and press ENTER to return to the FLOW READING screen 3 7 5 Pulse output signal calibration 1 With the instrument operating in the FLOW PULSE OUTPUT E DD MM YY HH MM SS READING mode press the Pulse function eas c
21. ayen Calibrate 4 20mA Select Set Date amp Time and click ENTER Pulse status Backlight Disabled A flashing cursor should appear under the ag settings first date number Enter the date sequence Change Language in dd mm yy order then press ENTER Repeat this action to set the time Select Exit then press ENTER to return to the MAIN MENU 12 Portaflow 220 User Manual Issue 1 0 3 Operating Procedures Note If you make a mistake when entering the data press the Delete key to move the cursor back to the number you wish to change then continue If you enter an invalid number an ERR Invalid Date or Time error message is displayed on the second line of the screen If this occurs repeat the set date time procedure 3 1 2 Enabling disabling the backlight When the backlight is enabled it will illuminate for 10 seconds 30 seconds 1 minute or permanently ON depending on the backlight time selected every time a key is pressed If the backlight is not required it is recommended that you disable it to prolong the battery discharge time 1 Select Setup Instrument fromthe MAIN SETUP INSTRUMENT DD MM YY HH MM SS MENU Dim mm Set Date amp Time dd mm yy hh mm ss 2 Select Backlight from the SETUP Calibrate 4 20mA INSTRUMENT screen then press ENTER Pulse output Backlight Disabled Factory settings Change Language Select the backlight time as required BACKLIGHT
22. coustic couplant to the sensors and attach them to the test block with the connectors positioned towards the centre of the test block as shown and temporarily secure them in place using elastic bands or tape 9 Connect the sensors to the Portaflow 220 instrument using the cables provided 10 Press ENTER to go to the FLOW READING screen 11 Select the Options key to go to the FLOW READING OPTION menu and set the Damping to at least 10 seconds Portaflow 220 User Manual 33 Issue 1 0 5 Troubleshooting 12 Select Exit and press ENTER to return to the FLOW READING menu 13 The flow reading value displayed is not important The fact that a reading is obtained indicates that the instrument is functioning This value may fluctuate but this is normal 14 The signal strength indicator at the left of the display should show 3 4 bars 5 5 Microprocessor Reset Facility In the rare event that the Portaflow 220 instrument appears to totally hang up or displays total gibberish you can reset its microprocessor by carefully inserting a straightened paperclip into the pinhole located in the right hand side of the instrument to operate the internal reset switch Hold the paperclip perpendicular to the instrument while doing this 5 6 Diagnostics Display This feature is designed for advanced users and is intended to provide information that will aid the user to diagnose problems e g no signal strength When operating in the FLOW
23. croprocessor reset button Return instrument for repair if fault still present Yes No Note any active messages Are any status messages shown Yes Refer to the message table in this chapter to interpret the message and view suggested response Ensure temperature is set correctly Ensure transducer cables are connected correctly Problem probably due to non constant fluid flow Ensure pipe data been entered correctly Ensure sufficient acoustic couplant been applied to the transducers Ensure transducers are positioned in accordance with the recommended distance from bends etc Ensure fluid type been entered correctly Ensure correct transducer type been selected If triple reflex mode is selected try double or single Ensure flow velocity gt 0 01m s reflex instead Ensure transducer separation distance correct Ensure transducers are aligned correctly Ensure pipe diameter within specifications of the selected transducers Check instrument using test block Ensure the pipe is completely full Ensure pipe surface is not corroded or protective surface loose Check for particles in the fluid Figure 5 1 Troubleshooting chart 30 Portaflow 220 User Manual Issue 1 0 5 Troubleshooting 5 3 Warning amp Status Messages FLOW RATE ERRORS No flow signal Interpretation This message appears when the transducers cannot send or receive signals to each othe
24. ctory however the following adjustments are provided to allow you to further fine tune your instrument to suit local conditions and application where necessary Apart from the zero flow offset adjustment these are normally carried out only where the instrument is to be used in a permanent or semi permanent location 3 5 3 5 1 Adjusting the zero cut off This adjustment allows you to set a minimum flow rate m s below which the instrument will indicate 0 The default setting is 0 02 m s but you may adjust this value if required 1 With the instrument operating in FLOW READING mode press the Options key to access the FLOW READING OPTIONS menu shown DD MM YY HH MM SS FLOW READING OPTION 2 Select Zero Cutoff m s and press ENTER Data review 3 Enter the value for the Zero Cutoff e g 0 06 m s then press ENTER 4 Scroll down to select Exit and press ENTER to return to the FLOW READING screen Zero Cutoff m s Set zero flow m s Damping secs Totaliser Reset Total 0 00 3 5 2 Adjusting the set zero flow offset The Portaflow instrument operates by comparing the time taken to send an ultrasonic signal between two transducers in either direction ASet zero flow offset adjustment is provided to compensate for any inherent differences between the two sensors noise pick up internal pipe conditions etc It can be used to zero the flow indication under no flow conditions P
25. down and select Exit to return to the FLOW READING DD MM YY HH MM SS FLOW READING screen which will now Dim mm indicate the instantaneous flow together Signal 1 2 3 with the totalised flow anil f Note that in some installation the measured E l min flow can be in either direction Where this is Total 300 0 litres the case the upstream flow is shown Total 0 00 litres separately in the Total field Calculating the average flow To calculate the average flow wait for the allotted monitoring period to expire then divide the indicated total flow by the time taken This will give you the average flow in m s galls hours or whatever units you select Note that in a bi directional flow situation you must take the difference between the indicated positive and negative flow totals before carrying out the average flow rate calculation How to stop the totaliser temporarily If for operational reasons you want to stop the totaliser function temporarily set the Totaliser option to Stall inthe FLOW READING OPTIONS screen as described above This will stop the totaliser operation without affecting its current values 22 Portaflow 220 User Manual Issue 1 0 3 Operating Procedures micronics 3 7 Configuring the Portaflow 220 Interfaces 3 7 1 How to turn the 4 20mA output OFF ON 1 With the instrument operating in the FLOW 4 20 mA OUTPUT DD MM YY HH MM SS READING mode press the 4 20mA function 4 29 m
26. e instrument will detect a low signal strength and may indicate an ERROR condition Attaching and connecting the transducers 12 Fit the designated sensors to the pipe using the appropriate guide rails as described in Paragraph 2 2 Take great care to set the separation distance as accurately as possible 13 Connect the red and blue coaxial cables between the sensors and the instrument ensuring that the red connector on the instrument is connected to the upstream sensor Taking a flow reading 14 Once the transducers have been fitted and connected press the ENTER key ee Please wait 15 This will take you from the SENSOR Checking signals SEPARATION screen to the FLOW READING screen via a signal checking screen shown RR KK K K K K K K K K K K K K K K K K KK K K K K k K K K K KK here K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K 16 Check that the indicated signal strength on FLOW READING DD MM YY HH MM SS the left of the screen is at least 2 bars Dim mm ideally 3 or 4 If less than 2 bars are shown Signal it indicates there could be a problem with the an 0 0 0 0 transducer spacing alignment or m l min connections or it could be due to an Total 0 00 litres application problem Total 0 00 litres Flow monitoring The FLOW READING screen is the one most used during normal monitoring operation It shows the instantaneous fluid flow together with
27. e 1 0 7 General Description micronics Numerical keypad with dual function keys ON OFF Scroll UP Options ENTER SELECT Cs Scroll DOWN micronics Logger Scroll LEFT Scroll RIGHT Figure 1 4 Keypad 1 4 2 Keypad The instrument is configured and controlled via a 16 key tactile membrane keypad as shown in Figure 1 4 ON OFF Key The ON OFF key is shown on the top left of the keypad When turned ON an initialisation screen is displayed on the LCD showing the instrument s serial number and software revision Once this appears the instrument can be started by pressing the ENTER key once the initialization screen is then replaced by a MAIN MENU which provides access to the remaining functions Menus and the menu selection keys The Portaflow 220 menus are arranged hierarchally with the MAIN MENU being at the top level Menu navigation is achieved by three keys on the right hand side of the keypad which are used to scroll UP and DOWN a menu list and SELECT a menu item When scrolling through a menu an arrow shaped cursor moves up and down the left hand side of the screen to indicate the active menu choice which can then be selected by pressing the ENTER SELECT key Some menus have more options than can be shown on the screen at the same time in which case the overflowed choices can be brought into view by continuing to scroll DOWN beyond the bottom visible item Menus generally loop around if
28. e reading is 1 low then decrease the calibration factor to 0 990 Press Enter to apply the change Select Roughness factor or Exit as required 3 5 4 Adjusting the roughness factor Zero Cutoff m s Set zero flow m s Damping secs Totaliser Reset Total Reset Total Calibration factor Roughness factor Diagnostics Exit 0 00 0 00 10 Run The roughness factor compensates for the condition of the internal pipe wall as a rough surface will cause turbulence and affects the flow profile of the liquid In most situations it is not possible to inspect the pipe internally and the true condition is not known In these circumstances experience has shown that the following values can be used Pipe Material Roughness Factor Non ferrous metal Glass Plastics Light metal Portaflow 220 User Manual Issue 1 0 Cs micronics 3 Operating Procedures Pipe Material Roughness Factor Drawn steel pipes Fine planed polished surface Plane surface Rough planed surface Welded steel pipes new Long usage cleaned Lightly and evenly rusted e Heavily encrusted Cast iron pipes Bitumen lining New without lining Rusted Encrusted 1 Press the Options key to access the FLOW READING OPTION screen shown 2 Scroll down and select Roughness factor 3 Change the roughness factor according to the pipe material and condition as described above 4 Pre
29. ent will be added subtracted from the flow reading across the whole range P 3 5 3 Adjusting the calibration factor P Key Point USE THIS FACILITY WITH CARE amp ONLY WHERE NECESSARY The Portaflow instrument is fully calibrated before leaving the factory and under nor mal circumstances does not require further calibration when used on site This facility can be used to correct the flow indication where unavoidable errors occur due to the lack of a straight pipe or where the sensors are forced to be fitted close to the pipe end valve junction etc Any adjustment must be made using a reference flowmeter fitted in the system With the system running 1 Stop Stall the Portaflow s totaliser facility and zero it Paragraph 3 6 1 2 Runthe Portaflow s totaliser to measure the total flow over a 30 60 minute period and note the total flow indicated by the reference flow meter over the same period 3 Calculate the error between the Portaflow and reference meters If the error is greater than 1 calibrate the Portaflow as detailed below FLOW READING OPTION 4 Pressthe Options key to access the FLOW DD MM YY HH MM SS READING OPTION screen shown Data review 5 Scroll down and select Calibration factor 6 Change the calibration factor according to the error calculated in step 3 For example if the Portaflow was reading 1 high then increase the Calibration factor value by 0 010 Conversely if th
30. entered an out of range value inthe Pulse volume error field in the PULSE OUTPUT menu see Paragraph 3 7 5 Response Enter a valid number Pulse width error Interpretation You have entered an out of range value inthe Pulse width error field in the PULSE OUTPUT menu see Paragraph 3 7 5 Response Enter a valid number Portaflow 220 User Manual Issue 1 0 31 5 Troubleshooting 4 20mA ERRORS mA out gt Max Interpretation The actual flow is higher than the maximum set on the mA range Response Re scale the 4 20mA output to be able to cope with the higher flow see Paragraph 3 7 2 Calibration 20mA Error NOTE The 4 20mA output is calibrated before the instrument leaves the factory and should not require further adjustment Interpretation You have adjusted the DAC outside its accepted range when calibrating the 20mA signal output Response Re calibrate the 4 20mA output see Paragraph 3 7 2 Calibration 4mA Error SET UP ERRORS NOTE The 4 20mA output is calibrated before the instrument leaves the factory and should not require further adjustment Interpretation You have adjusted the DAC outside its accepted range when calibrating the 4mA signal output Response Re calibrate the 4 20mA output see Paragraph 3 7 2 Pipe OD out of range Interpretation You have entered an out of range value for the pipe outside diameter dimension i e larger or sm
31. erial Mild Steel 5 Scroll down through the menu list and enter oe oo change any data that might have changed Sensor mode since the last time the site was accessed Fluid type 6 When you are satisfied that the parameters Save current site amp read flow are correct select Save current site amp Delete this Site i Download amp save current site read flow Exit 7 If you need to alter the fluid temperature FLUID TEMPERATURE DD MM YY HH MM SS from that shown select either C or F with the cursor and press the ENTER key Enter Fluid Temperature 8 Enter the new temperature value and press C 5 00 the ENTER key F 41 00 Continue 9 The new temperature should now be indicated in both C and F 10 Select Continue and press ENTER 16 Portaflow 220 User Manual Issue 1 0 3 Operating Procedures 11 The SENSOR SEPARATION screen now SENSOR SEPARATION DD MM YY HH MM SS displays a summary of the entered Site MySite parameters and informs you of the type of Pipe 58 00 mm sensor to be used the mode of operation HA rf a darter A to set up between the Temperature 10 00 C 50 00 F In this example it recommends type A ST A e ation CO nee an neue f Press 4 to continue AV to select sens standard sensors operating in the Ref Lex mode spaced 32 2mm apart Take a note of these details Note If you press ENTER before the transducers are fitted and connected to the instrument th
32. gy 5 cell NiMH Capacity 3 8AHr Operating Time Typically 20 hours continuous with backlight and 4 20mA output OFF Recharge Time 6 5 Hours Service Life gt 500 charge discharge cycles Power Supply Charger Manufacturer ECOPAC Model ECO 181WP12 Input Voltage Range 90 264Vac Input Frequency Range 47 63Hz Output Voltage 12Vdc Max Output Current 1 5A Approvals UL CUL TUV CB amp CE Carrying case Rating All components are contained in a hard wearing polyproylene carrying case with a protective moulded foam insert Enclosure Material Flame retardant injection moulded ABS Dimensions 264mm x 168mm x 50mm Weight Including Battery 1 1 kg Protection IP54 36 Portaflow 220 User Manual Issue 1 0 ed BaS gepas A Specification Operating Temperature Keypad No Keys 16 Display Format 240 x 64 pixel graphic display high contrast black on white with backlight Viewing Angle Min 30 typically 40 20 C to 50 C Storage Temperature 25 C to 65 C Operating Humidity 90 RH MAX at 50 C Box Dimensions Safety BS EN 61010 EMC BS EN 61326 1 2006 BS EN 61326 2 3 2006 Battery Charger EN61204 3 505mm x 125mm x 420mm Weight 6 0 kg Volumetric Weight 4 5 kg Portaflow 220 User Manual Issue 1 0 A Specification Cs Ane ge ple 38 Portaflow 220 User Man
33. hen press ENTER Enter the pipe wall thickness dimension then press ENTER If the pipe has a lining enter the lining thickness If nothing is entered the instrument automatically assumes there is no lining Press ENTER to continue Select the pipe wall material from the list provided then press ENTER If the material is not listed select Other and enter the propagation rate of the pipe wall material in metres sec Contact Micronics if this is not known If a lining thickness value was entered earlier this screen is displayed to request that you enter the lining material type If no lining thickness was entered this screen will be bypassed Select the lining material from the list provided then press ENTER If the material is not listed select Other and enter the propagation rate of the lining material in metres sec Contact Micronics if this is not known Cs AMERS PES OUTSIDE DIAMETER DD MM YY HH MM SS Dimension Pipe outside diameter PIPE WALL THICKNESS DD MM YY HH MM SS Dimension mm Pipe outside diameter Pipe wall thickness PIPE LINING THICKNESS Dimension Pipe outside diameter Pipe wall thickness Pipe lining thickness PIPE WALL MATERIAL DD MM YY HH MM SS Select pipe wall material Mild Steel S less Steel 316 S less Steel 303 Plastic Cast Iron Ductile Iron Copper Brass Concrete Glass Other m s
34. id Pr e key to access the PULSE OUTPUT screen Output off 2 To change the flow measurement units Vol per pulse 10 00 select Flow units and press the required Pulse width ms 10 units function key 7 8 9 Exit 3 Select Vol per pulse and enter the required value In the example shown a pulse is produced every 10 litres of flow 4 Select a Pulse width in ms to suit the particular application e g electro mechanical counter Refer to the manufacturer s data sheet for the minimum pulse width 5 Select Exit and press ENTER to return to the FLOW READING screen Portaflow 220 User Manual 25 Issue 1 0 3 Operating Procedures C s Ane mojpll 26 Portaflow 220 User Manual Issue 1 0 4 Maintenance amp Repair This instrument does not contain any user serviceable parts The following notes are provided as a guide to general equipment care Do not disassemble this unit unless advised by Micronics Return the unit to an approved service agent or place of purchase for further advice WARNING 1 Ensure the unit is switched off and disconnected from the mains then wipe the exterior of the instrument with a clean damp cloth or paper towel The use of a solvent may damage the surface 2 The instrument contains a rechargable battery dispose safely and in accordance with the local regulations in force in the country of operation 3 Ensure all cables and connectors are kept clean
35. ied above conforms to the above Directive s and Standard s Signature Printed Name Michael Farn n Title Managing Director Date 26 February 2009 Registered Office Micronics Limited Knaves Beech Business Centre Davies Wey Loudwater Buckinghamshire HP10 SGR Web site wew micronicsitd co uk Tel 44 1628 810456 Fex 44 1 531540 Drectors E J Fanon M A Feman Registration No 1289680 V AT Registration No 303 6190 91 Portaflow 220 User Manual 39 Issue 1 0 A Specification Cs Ane ge ple 40 Portaflow 220 User Manual Issue 1 0
36. ignal calibration and ranging 3 7 3 Howto convert the measured current to flow rate 3 7 4 How to turn the pulse output OFF ON 3 7 5 Pulse output signal calibration oona WD gt onnmno N N 11 12 13 13 16 17 18 18 19 19 19 20 20 21 22 22 23 23 23 24 25 25 Portaflow 220 User Manual Issue 1 0 4 Maintenance amp Repair 5 Troubleshooting 5 1 5 2 5 3 5 4 5 5 5 6 Overview General Troubleshooting Procedure Warning amp Status Messages Test Block Microprocessor Reset Facility Diagnostics Display Appendix A Specification 27 29 29 30 31 33 34 34 35 Portaflow 220 User Manual Issue 1 0 1 General Description 1 1 Introduction This manual describes the operation of the Micronics Portaflow 220 portable flowmeter The flowmeter is designed to work with clamp on transducers to enable the flow of a liquid within a closed pipe to be measured accurately without needing to insert any mechanical parts through the pipe wall or protrude into the flow system Using ultrasonic transit time techniques the Portaflow 220 is controlled by a micro processor system which contains a wide range of data that enables it to be used with pipes with an outside diameter ranging from 13mm up to 1000mm depending on model and constructed of almost any material The instrument will also operate over a wide range of fluid temperatures The Portaflow 220 series comprises two model
37. n ultrasound is transmitted through a liquid the speed at which the sound travels through the liquid is accelerated slightly if it is transmitted in the same direction as the liquid flow and decelerated slightly if transmitted against it The difference in time taken by the sound waves to travel the same distance but in opposite directions is therefore directly proportional to the flow velocity of the liquid The Portaflow 220 system employs two ultrasonic transducers attached to the pipe carrying the liquid and compares the time taken to transmit an ultrasound signal in each direction If the sound characteristics of the fluid are known the Portaflow microprocessor can use the results of the transit time calculations to compute the fluid flow velocity Once the flow velocity is known the volumetric flow can be easily calculated for a given pipe diameter The Portaflow system can be set up to operate in one of four modes determined mainly by the pipe diameter and the transducer set in use The diagram below illustrates the importance of applying the correct separation distance between the transducers to obtain the strongest signal Upstream Separation transducer Distance Reflex mode This is the mode most commonly used The two transducers U amp D are attached to the pipe in line with each other and the signals passing between them are reflected Fi luid flow ia de JE by the panes pipe wall s 4 The separation distance is calculated by re
38. osing a mobile text Alter the Site Name message Exit 7 On completion press ENTER then select Exit This will take you back to the VIEW EDIT SITE DATA screen 8 Scroll down through the menu list and enter VIEW EDIT SITE DATA DD MM YY HH MM SS change the pipe parameters and other data Dim mm pertaining to the site Choose from list of sites Site name MyNewSite Dimension units mm Pipe outside diameter 58 00 Pipe wall thickness 4 00 Pipe lining thickness 0 00 9 When all the data is correct you can either Pipe wall material Mild Steel a SelectSave current site amp Lining material read flow to continue fitting the Sensor set k transducers and opening the FLOW Sensor mode Reflex READING screen Fluid type Water b SelectDelete this site to delete Rico amp read flow the site name and values and restore elete this site a f Download amp save current site it to the original EmptySite name Exit c Select Exit to return to the MAIN MENU Note The Download amp save current site option is disabled in the Portaflow 220 range 3 4 2 Changing a site name To change a site name use the same method described above for generating a new site but in this case select a current site name to change rather than an EmptySite 18 Portaflow 220 User Manual Issue 1 0 3 Operating Procedures Instrument Calibration The Portaflow is fully calibrated before it leaves the fa
39. ositioned in the transducer signal path affecting the signal quality The drippings in galvanised dipped pipes or other irregularities interfering with the signal path Incorrect probe location Transducers located too close to bends or valves disturbing the flow profile Transducers located too close to insertion probes disturbing the flow profile For horizontal pipework transducers should not be positioned on the top of the pipe Poor fluid conditions within the pipe Fluid contains bubbles high particle density or sludge e Air in the top of the pipe Low fluid flow within the pipe Pipe obstructions Malfunctioning valve not opening fully or closed inadvertently Liquid content problems e Multiple liquid contents do not comply accurately to expected sound speed criteria Very hot pipe almost turns water to steam and therefore exhibits the wrong speed characteristics could be due to reduced pipe pressure Flashover liquid turns into a gas because of lower than required pressure Portaflow 220 User Manual 29 Issue 1 0 5 Troubleshooting ed micronics 5 2 General Troubleshooting Procedure Recharge the battery Yes If battery won t recharge then replace the charger if faulty or return the instrument for repair Is the display blank No Turn instrument OFF ON Is the display scrambled or hung up If the display is still scrambled hung up press the mi
40. ositioning Flow Possible sludge In many applications an even flow velocity profile over The Portaflow equipment expects a uniform flow profile as a a full 360 is unattainable due for example to the distorted flow will produce unpredictable measurement presence of air turbulence at the top of the flow and errors Flow profile distortions can result from upstream possibly sludge in the bottom of the pipe Experience disturbances such as bends tees valves pumps and other has shown that the most consistently accurate results similar obstructions To ensure a uniform profile the are achieved when the transducer guide rails are transducers must be mounted far enough away from any mounted at 45 with respect to the top of the pipe cause of distortion such that it no longer has an effect Uniform Air Figure 2 1 Locating the transducers To obtain the most accurate results the condition of both the liquid and the pipe wall must be suitable to allow the ultrasound transmission along its predetermined path It is important also that the liquid flows uniformly within the length of pipe being monitored and that the flow profile is not distorted by any upstream or downstream obstructions This is best achieved by ensuring there is a straight length of pipe upstream of the transducers of at least 20 times the pipe diameter and 1
41. otal 0 00 litres Flow monitoring The FLOW READING screen is the one most used during normal monitoring operation It shows the instantaneous fluid flow together with totalised values when enabled In this mode you can select the flow rate measurement units by pressing keys 7 litres 8 Gallons or 9 m or change the display to show velocity by pressing key 4 3 3 Using the System at a Regularly Monitored Location Setting up the Portaflow system using the Quick Start method described in Paragraph 3 2 is easy and the recommended method to use in a one off situation But if you have a site location that you want to monitor on a frequent basis it is better to set up a named Site for that location so that you can recall it when needed and so avoid the need to re enter the site details every time you want to install the equipment there Note See Paragraph 3 4 for details of how to set up and manage site details Use this procedure to install the equipment at a named site 1 SelectView Edit Site Datafromthe VIEW EDIT SITE DATA DD MM YY HH MM SS MAIN MENU Dim mm Choose from list of sites Select Choose from list of sites Site name MySite Dimension units mm n a listed and press Pipe outside diameter 58 00 i Pipe wall thickness 4 00 4 The Site name will show the selected site Pipe lining thickness 0 00 and the site parameters will be listed on the screen Pipe wall mat
42. r Response Firstly check that all cables are connected transducers are on the pipe correctly with sufficient couplant on the face This condition could also be due to a partially empty pipe aerated liquid particulate content too high or when the condition of the pipe being measured is poor Flow signal is poor Interpretation This warning appears when the signal is lower than 25 Response This could be due to an application problem a poor quality pipe see also the conditions for No flow signal above Check for sufficient couplant Zero cut off error Damping error Interpretation You have entered an out of range value inthe Zero cutoff field in the Options menu Response Enter a valid number Interpretation You have entered an out of range value in the Damping field in the Options menu Response Enter a valid number Totaliser beyond maximum PULSE ERRORS Pulse Rate gt Max Interpretation The totaliser has overflowed its maximum count The counter will roll over and restart from zero but this message alerts you to the fact Response Reset the totaliser as described in Paragraph 3 6 1 Interpretation The flow rate exceeds the capability of the pulse output i e too many pulses per second are required than can be achieved Response Narrow the pulse width time or increase the volume per pulse as described in Paragraph 3 7 5 Pulse volume error Interpretation You have
43. r usage before it needs recharging Response Recharge the internal battery at the earliest opportunity Do not leave the instrument for a prolonged period with a fully discharged battery Battery Exhausted Interpretation The battery is approaching a fully discharged state and the instrument is about to store the internal data and shut down Response Recharge the battery 5 4 Test Block A test block is included with the Portaflow 220 equipment to allow the transducers and inter connecting cables to be functionally checked 1 Switch ON the instrument 2 SelectQuick start and enter the parameters shown in the table below for the appropriate transducer type A or B Parameter ASensors B Sensors Pipe outside diameter 53 0mm Pipe wall thickness 7 0mm Figure 5 2 Test block Pipe lining thickness 0 0 0 0 Pipe wall material Mild Steel Mild Steel Fluid type Water Water Temp 20 C 20 C When the above data is entered the SENSOR SEPARATION screen will be displayed Use the UP DOWN scroll key to go to the SENSOR SELECTION menu Select the appropriate sensor the default will be A and press ENTER to return to the SENSOR SEPARATION menu 5 Select Sensor mode and position the cursor at Diagonal and press ENTER to return to the SENSOR SELECTION menu Select Exit and press ENTER to return to the SENSOR SEPARATION screen Check that the parameters displayed are correct Apply a
44. ropagation rate Calculated from the input data concerning the fluid type and temperature Sensor separation The same value as displayed in the setup screen 34 Portaflow 220 User Manual Issue 1 0 Appendix A Specification NEW DSP Measurement Technique Transit time Timing Resolution 50 pico seconds continuous signal level indication on display Improved Flow Velocity Range Minimum Velocity 0 1m s Max Velocity 20m s Bi directional Turn Down Ratio 100 1 Accuracy 0 5 to 2 of flow reading for flow rate gt 0 2m s and Pipe ID gt 75mm 3 of flow reading for flow rate gt 0 2m s and Pipe ID in range 18mm 75mm 6 of flow reading for flow rate lt 0 2m s Repeatability 0 5 of measured value or 0 02m s whichever is the greater NEW Reynolds Number Correction Flow velocity corrected for Reynolds number over entire velocity range Response Time lt 500ms depending on pipe diameter Selectable Flow Units VELOCITY m sec ft sec VOLUME l s I min I h gal min gal h USgals min USgals h Barrel h Barrel day m s m3 min m3 h Selectable Volume Units gal USgals Barrel m3 Total Volume Fluid Condition Pipe Materials 12 Digits forward and reverse Clean liquids or oils that have less than 3 by volume of particulate content Applications include river water sea water potable water demineralised water gl
45. rr the instrument in response to entered data MMMM concerning the pipe and fluid characteristics Separation Mtn Reflex mode double bounce In this mode the separation distance is calculated to give a double bounce This is most likely to occur if the pipe diameter is Fluid How ata AN S so small that the pera q mode ZZA separation distance would be impractical for the transducers in use Separation e Distance gt Reflex mode triple bounce De This illustration goes one step further to show Fluid flow gt We a a WLLL q triple bounce situation This would normally E q A qt See apply when working with very small pipes TT relative to the transducer range Separation Distance Diagonal mode This mode might be selected by the instrument where relatively large pipes are ENAA con erned In this mode the transducers are located on opposite sides of the pipe but the da separation distance is still critical in order Fluid flow Ho for the signals to be received correctly gt Figure 1 1 Operating modes 2 Portaflow 220 User Manual Issue 1 0 7 General Description Bam gop a 1 3 Supplied Hardware The Portaflow equipment is supplied in a rugged polypropylene carrying case fitted with a foam insert to give added protection for transportation The supplied components are shown in Figure 1 2 Test Block A CR Transducer Cables x2 Chains x2 Ultrasonic Couplant 4 20mA Pulse Output
46. s which are identical in operation but designed to be used with a different range of pipe diameters The PF220A can be used with pipes in the range 13mm 115mm and the PF220B with pipes in the range 50mm 1000mm Easy to operate the Portaflow 220 standard features are Large easy to read graphic display with backlighting e Simple to follow dual function keypad Simple Quick Start set up procedure Continuous signal monitoring Pulse output 4 20mA 0 20mA or 0 16mA output e Rechargeable battery Battery management Diagnostics Volumetric flow rates are displayed in I h I min l sec gal min gal h USgals min USgals h Barrel h Barrel day m s m min m3 h Linear velocity is displayed in metres or feet per second When operating in the Flow Reading mode the total volumes both positive and negative are displayed up to a maximum 12 digit number The flowmeter can be used to measure clean liquids or oils that have less than 3 by volume of particulate content Cloudy liquids such as river water and effluent can be measured along with cleaner liquids such as demineralised water Typical Portaflow 220 applications include e River water Seawater Potable water Demineralised water Treated water Portaflow 220 User Manual 1 Issue 1 0 1 General Description 1 2 Principles of Operation Whe
47. sed flows manually The basic measurement indicated on the FLOW READING screen is the instantaneous flow rate which in some applications may vary over a period of time Average flow rates are therefore often required in order to get a better understanding of an application s true performance This is simply achieved by noting the total flow over a specific period for example 30 60 minutes and then calculating the average flow rate over that period of time 1 Press the Options key to access the FLOW FLOW READING OPTION DD MM YY HH MM SS READING OPTION screen shown Data review 2 Ifthe Totaliser is indicating Run select it Zero Cutoff m s 0 00 and change it to Stall Press ENTER Set zero flow m s D Select Reset Total and press ENTER a Press ENTER on the subsequent screen to Reset Total accept the reset 5 Press ENTER again to return to the FLOW READING OPTIONS menu Select Reset Total and press ENTER FLOW READING OPTION DD MM YY HH MM SS Press ENTER on the subsequent screen to Zero Cutoff m s f 0 00 accept the reset Set zero flow m s 0 00 8 Press ENTER again to return to the FLOW Damping secs 10 READING OPTIONS menu Totaliser Run Reset Total 9 Note and record the current time Reset Total 10 Select Totaliser and change it to Run then press ENTER Note the totalisers begin to count up as soonas Totaliser is putto Run 11 Scroll
48. shows the sensors operating in the Reflex mode spaced at 32 2mm apart Take a note of these details Note Do not press ENTER until the transducers are fitted and connected to the instrument Attaching and connecting the transducers 16 Fit the sensors to the pipe using the appropriate guide rails as described in Paragraph 2 2 Take great care to set the separation distance as accurately as possible 17 Connect the red and blue coaxial cables between the sensors and the test instrument ensuring that the red connector on the instrument is connected to the upstream sensor Taking a flow reading 18 Once the transducers have been fitted and connected press the Enter key 19 This will take you from the SENSOR SEPARATION screen to the FLOW READING screen via a signal checking screen shown PEER RR OR ORO K K K K K K K K K K k K K K K K K Ok K K here K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K Please wait Checking signals Portaflow 220 User Manual 15 Issue 1 0 3 Operating Procedures 20 Check that the indicated signal strength on FLOW READING DD MM YY HH eo SS the left of the screen is at least 2 bars Dim ideally 3 or 4 If less than 2 bars are shown Si a it indicates there could be a problem with the 0 0 0 0 transducer spacing alignment or l min connections or it could be due to an Total 0 00 litres application problem T
49. ss Enter to apply the change 3 5 5 Adjusting the damping factor FLOW READING OPTION Data review Zero Cutoff m s Set zero flow m s Damping secs Totaliser Reset Total Reset Total Calibration factor Roughness factor Diagnostics Exit DD MM YY HH MM SS 0 00 0 00 10 Run By averaging out the flow rate over several seconds the Damping factor canbe used to smooth out rapid changes in flow rate to prevent wild fluctuations in the displayed flow value It has a range of 1 to 199 with a default setting of 10 With the system running in FLOW READNG mode 1 Press the Options key to access the FLOW READING OPTION screen shown Scroll down and select Damping secs Change the value of the Damping factor as required to remove any unwanted display fluctuations Increasing the value applies a greater smoothing affect 4 Press Enter to apply the change P FLOW READING OPTION Data review Zero Cutoff m s Set zero flow m s Damping secs Totaliser Reset Total Reset Total Calibration factor Roughness factor Diagnostics Exit DD MM YY HH MM SS 0 00 0 00 10 Run Key Point f the damping factor is set too high the value displayed may appear stable but it may exhibit large step changes when the value is updated Portaflow 220 User Manual 21 3 Operating Procedures 3 6 Performing Monitoring Functions 3 6 1 How to measure totali
50. t be connected to the upstream transducer and the BLUE cable to the downstream transducer Portaflow 220 User Manual 9 Issue 1 0 2 Installation e Ane ge ple 10 Portaflow 220 User Manual Issue 1 0 3 Operating Procedures Battery charging Set date time Language Backlight QUICK START VIEW EDIT SITE DATA Set up a named site Rename a site Enter data Choose site check data Attach sensors Attach sensors FLOW READING FLOW READING How to adjust the Zero Flow Offset Paragraph 3 5 2 How to adjust the Calibration Factor Paragraph 3 5 3 How to adjust the Roughness Factor Paragraph 3 5 4 How to adjust the Damping Factor Paragraph 3 5 5 How to measure totalised flows Paragraph 3 6 1 4 20MA ON OFF Paragraph 3 7 1 4 20mA Calibration Paragraph 3 7 2 Pulse ON OFF Paragraph 3 7 4 Pulse calibration Paragraph 3 7 5 Portaflow 220 User Manual 1 1 Issue 1 0 3 Operating Procedures 3 1 Setting up the Instrument 3 1 1 Using the instrument for the first time Before you use your Portaflow 220 for the first time you should first charge the battery then select the display language and set up the internal clock as described below Charging the battery 1 Connect the external battery charger to the charger socket at the bottom of the instrument then switch on the utility supply 2 The instrument should indicate CHARGI
51. ual Issue 1 0 ed micronics A Specification CE Declaration of Conformity MicronicsS CE Declaration of Conformity Micronics Ltd Knaves Beech Business Centre Davies Way Loudwater High Wycombe Bucks HP10 9QR Ultrasonic Clamp on Flow Meter Portaflow 330 220A 220B models This product is manufactured in accordance with the following Directives and Standards Directive 2004 108 EC of the European Parliament and of the Council of 15 December 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility Directive 2006 95 EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits BS EN 61010 1 2001 Safety requirement for electrical equipment for measurement control and laboratory use Part 1 General requirements BS EN61326 1 2006 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements BS EN61326 2 3 2006 Electrical equipment for measurement control and laboratory use EMC requirements Part 2 3 Particular requirements Test configuration and performance criteria for transducers with integrated ore remote signal conditioning Included accessory battery charger not manufactured by Micronics complies with EN61204 3 the undersigned hereby declare that the equipment specif
52. ycol water mix hydraulic systems and diesel oil Any sonic conducting medium such as Carbon Steel Stainless Steel Copper UPVC PVDF Concrete Galvanised Steel Mild Steel Glass Brass Including Lined Pipes Epoxy Rubber Steel Plastic Pipe Dimension outside diameter PF220A 13mm 115mm PF220B 50mm 1000mm Pipe Wall Thickness imm 75mm Pipe Lining Applicable pipe linings include Rubber Glass Concrete Epoxy Steel Pipe Lining Thickness Omm 10mm Pipe Wall Temperature Range Standard transducers Sensor operating temperature is 20 C to 135 C Temperature Range 20 C to 135 C PF220A Type A ST 2MHz PF220B Type B ST 1MHz Portaflow 220 User Manual Issue 1 0 oO A Specification ed MIC r onNIcCS Standard Supported Languages English French German Italian Spanish Portuguese Russian Norwegian Dutch Analogue Output 4 20mA 0 20mA 0 16ma Resolution 0 1 of full scale Alarm Currents Any between 0 26ma Isolation 1500V Opto isolated Maximum Load 620 Ohms Pulse Output TTL Number Available One open collector opto isolated digital output Pulse Repetition Rate Up to 500 pulses sec depending on pulse width Pulse Width 500ms for 1pulse sec 5ms for 100 pulses sec Max Current 150mA Supply Voltage Input Voltage Range 9 24Vde Power Consumption 10 5W Battery Technolo
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