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3:  Operating Procedures

26

Portaflow 220 User Manual

  (Issue 1.0)

Содержание portaflow 220

Страница 1: ...ic Flowmeter User Manual Micronics Ltd Knaves Beech Business Centre Davies Way Loudwater High Wycombe Bucks HP10 9QR Telephone 44 0 1628 810456 Facsimilie 44 0 1628 531540 E mail sales micronicsltd co...

Страница 2: ......

Страница 3: ...3 3 2 Using the Quick Start Menu 13 3 3 Using the System at a Regularly Monitored Location 16 3 4 Managing Named Sites 17 3 4 1 Setting up a new site 18 3 4 2 Changing a site name 18 3 5 Instrument Ca...

Страница 4: ...Maintenance Repair 27 5 Troubleshooting 29 5 1 Overview 29 5 2 General Troubleshooting Procedure 30 5 3 Warning Status Messages 31 5 4 Test Block 33 5 5 Microprocessor Reset Facility 34 5 6 Diagnosti...

Страница 5: ...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 rea...

Страница 6: ...ing the correct separation distance between the transducers to obtain the strongest signal Figure 1 1 Operating modes Fluid flow Fluid flow Fluid flow Fluid flow Fluid flow U U U U D D D D Separation...

Страница 7: ...ith UK US European adaptors 110 240VAC 4 20mA Pulse Output cable USB cable and RS232 C cable 2 lengths of chain Test block Transducer cables x2 2 metres long one red and one blue Transducer set x2 typ...

Страница 8: ...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 Pu...

Страница 9: ...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...

Страница 10: ...eading 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 ho...

Страница 11: ...g 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 Flow Valid...

Страница 12: ...fected 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 pipe surface and the face of the trans...

Страница 13: ...ver plate A fully towards the outside of the guide assembly to allow sufficient access to fit the transducer 2 Clean the face of the transducer removing all traces of dirt and grease 3 Apply a 3mm bea...

Страница 14: ...2 Installation 10 Portaflow 220 User Manual Issue 1 0...

Страница 15: ...o 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 Set up a monitori...

Страница 16: ...lected language will be the default when the instrument is next used To change the language again select the Change Language option in the SETUP INSTRUMENT screen see below 4 The initialisation screen...

Страница 17: ...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 requir...

Страница 18: ...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 PIPE WALL MA...

Страница 19: ...ct either C or F with the cursor and press the ENTER key 12 Enter the new temperature value and press the ENTER key 13 The new temperature should now be indicated in both C and F 14 Select Continue an...

Страница 20: ...e a problem with the transducer spacing alignment or connections or it could be due to an application problem FLOW READING DD MM YY HH MM SS Dim mm Signal l min Total 0 00 litres Total 0 00 litres 1 S...

Страница 21: ...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 rena...

Страница 22: ...message 7 On completion press ENTER then select Exit This will take you back to the VIEW EDIT SITE DATA screen ALTER NAME DD MM YY HH MM SS Site name EmptySite1 Do you wish to Alter the Site Name Exi...

Страница 23: ...w 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 i...

Страница 24: ...tracted from the flow reading across the whole range Key Point USE THIS FACILITY WITH CARE ONLY WHERE NECESSARY The Portaflow instrument is fully calibrated before leaving the factory and under nor ma...

Страница 25: ...factor according to the pipe material and condition as described above 4 Press Enter to apply the change FLOW READING OPTION DD MM YY HH MM SS Data review Zero Cutoff m s 0 00 Set zero flow m s 0 00...

Страница 26: ...described above This will stop the totaliser operation without affecting its current values 1 Press the Options key to access the FLOW READING OPTION screen shown 2 If the Totaliser is indicating Run...

Страница 27: ...Output or select one of the output ranges to turn it ON 5 Press ENTER to return to the 4 20mA OUTPUT screen 4 20 mA OUTPUT DD MM YY HH MM SS Dim mm Off 4 20mA 0 20mA 0 16mA Key Point The 4 20mA outpu...

Страница 28: ...the Scroll keys to obtain an output of exactly 20mA The DAC should indicate approximately 40000 6 Press ENTER when done CALIBRATE 20mA DD MM YY HH MM SS Dim mm Adjust the output current to 20mA Use UV...

Страница 29: ...ting in the FLOW READING mode press the Pulse function key to access the PULSE OUTPUT screen 2 A Pulse output is ON message appears in the second line of the display 3 Select Exit and press ENTER to r...

Страница 30: ...3 Operating Procedures 26 Portaflow 220 User Manual Issue 1 0...

Страница 31: ...d 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 tha...

Страница 32: ...4 Maintenance Repair 28 Portaflow 220 User Manual Issue 1 0...

Страница 33: ...reventing good surface contact with the transducer Flaking paint should be removed Variable air gap in concrete covered pipes affecting the ultrasonic signal quality Poor internal pipe construction Ro...

Страница 34: ...nsure correct transducer type been selected Ensure transducer separation distance correct Ensure transducers are aligned correctly Ensure pipe diameter within specifications of the selected transducer...

Страница 35: ...the Options menu Response Enter a valid number Damping error Interpretation You have entered an out of range value in the Damping field in the Options menu Response Enter a valid number Totaliser bey...

Страница 36: ...ue for the pipe outside diameter dimension i e larger or smaller than the unit or sensor can be used on Response Enter a valid number Wall thickness out of range Interpretation You have entered an out...

Страница 37: ...rs 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 prov...

Страница 38: ...the following parameters Calculated time s 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 va...

Страница 39: ...min USgals h Barrel h Barrel day m s m min m h Selectable Volume Units l gal USgals Barrel m Total Volume 12 Digits forward and reverse APPLICABLE FLUID TYPES Fluid Condition Clean liquids or oils th...

Страница 40: ...0mA ELECTRICAL Supply Voltage Input Voltage Range 9 24Vdc Power Consumption 10 5W Battery Technology 5 cell NiMH Capacity 3 8AHr Operating Time Typically 20 hours continuous with backlight and 4 20mA...

Страница 41: ...erating Temperature 20 C to 50 C Storage Temperature 25 C to 65 C Operating Humidity 90 RH MAX at 50 C APPROVALS Safety BS EN 61010 EMC BS EN 61326 1 2006 BS EN 61326 2 3 2006 Battery Charger EN61204...

Страница 42: ...A Specification 38 Portaflow 220 User Manual Issue 1 0...

Страница 43: ...A Specification Portaflow 220 User Manual 39 Issue 1 0 CE Declaration of Conformity...

Страница 44: ...A Specification 40 Portaflow 220 User Manual Issue 1 0...

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