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User Manual - Clamp On Flow Meters

1. Operating Temperature Enclosure Material ABS and aluminium Dimensions 9 x 7 x 4 7 inches Weight 2 65lb Protection IP65 Fixing Wall mountable Keypad No Keys 15 key tactile feedback membrane keypad Display Format 240 x 64 pixel graphic display high contrast black on white with backlight Viewing Angle Min 30 typically 40 Active Area 5 0in W x 1 3in H Overlay Standard English Optional overlays available 4 F to 122 F Storage Temperature 13 F to 167 F Operating Humidity 90 RH MAX at 122 F U3000 U4000 User Manual Issue 4 0 63 Software Ver 02 08 011 8 MICZFONIES Safety BS EN 61010 1 2001 EMC BS EN 61326 1 2006 BS EN 61326 2 3 2006 Environmental BS EN 60068 1 1995 BS EN 60068 2 1 2007 BS EN 60068 2 2 2007 Box Dimensions 18 9 in x 12 6 in x 6in Weight 9 9 Ib Volumetric Weight 8 4 Ib A U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 8 micronics CE Declaration of Conformity micronics CE Declaration of Conformity Micronics Ltd Knaves Beech Business Centre Davies Way Loudwater High Wycombe Bucks HP10 9QR U3000 and U4000 Ultrasonic Flowmeter 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 t
2. 4 Data Logging amp Communications U4000 Monitoring the logged events as a table 1 The VIEW LOG AS TEXT screen displays the log events in date stamped chronological order Press key 5 to go to the top line of logged data or key 6 to go to the bottom line Press the ENTER key to return to the REAL TIME LOGGER screen Then select Exit to return to the FLOW READING screen Logging will continue to take place in the background P Monitoring the logged events as a graphic ik If you want to view the logging progress graphically rather than as text press the Logger function key to get to the REAL TIME LOGGER screen Select Graph Y axis max and enter a value slightly greater than the expected maximum flow Select View log as graph This will open the VIEW LOG AS GRAPH screen shown below You can select the data at any point in time by scrolling along the time axis of the graph using the LEFT RIGHT scroll keys 5 amp 6 The data values for the selected point are then shown to the left of the graph Keep the scroll key pressed for the cursor to move automatically If you want to change the value of the Y axis to improve the resolution of the graph press the UP DOWN scroll keys The maximum values will then increase decrease as appropriate To exit the VIEW LOG AS GRAPH screen and return to the REAL TIME LOGGER screen press ENTER Monitoring the logged events at a later time If you wish to monitor the l
3. 32 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 8 3 Operating Procedures micronics e Activate when a specified Volume is measured e Activate if a signal error is detected either due to poor signal strength or complete signal loss e Alarm Test mode e Pulse Frequency output Alarm settings selection 1 To access the The ALARM SETTINGS menu select Alarm Settings from the FLOW FLOW READING OPTION DD MM YY HH MM SS READING OPTION menu and press ENTER Data review 2 The ALARM SETTINGS screen should be Zero Cutoff m s 0 010 displayed as shown below Set zero flow m s 0 000 This screen shows two parameters Mode and Damping secs 10 Limit that can be individually set for Alarm 1 Totaliser Run and Alarm 2 Reset Total Reset Total Calibration factor 1 000 Roughness factor 0 010 Alarm Settings Max Pulse Freq Hz 10 00 Flow at Max Frequency 200 00 Calculated Pulse Value 2 00 Diagnostics Select Totals Total Exit Alarm configuration 1 To setup Alarm 1 select Alarm1 Mode and press ENTER This will access the ALARM1 ALARM SETTINGS DD MM YY HH MM SS MODE h low ODE menu screen shown below Alarml Mode Alarmil Level lt value gt Alarm2 Mode Alarm2 Level lt value gt Exit Alarml1 ON Alarm2 ON 2 Scroll down the menu to the required alarm operating mode and press ENTER to select ALARM1 MODE DD MM YY HH MM SS off Low High Volume On Flow Error
4. 4 20mA ON OFF Paragraph 3 4 1 4 20mA Calibration Paragraph 3 4 1 Pulse ON OFF Paragraph 3 4 2 Pulse calibration Paragraph 3 4 2 Alarm outputs Paragraph 3 4 3 RS232 set up Paragraph 4 7 1 USB set up Paragraph 2 4 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 19 3 Operating Procedures Setting up the Instrument 8 micronics The procedures outlined below apply to both the U3000 and U4000 unless otherwise indicated P 3 1 1 Using the instrument for the first time Initial user language selection Key Point When the instrument used for the first time the operator has free access to all the set up and operating menus until the instrument is put into FLOW READI NG operation where upon all the menus become password protected see page 24 The first time you power up the instrument you will be asked to select a user language The selected language will then be the default when the instrument is next used If you want to change the language when the instrument is in use see below 1 On initial power up the start up screen will be displayed for 5 seconds showing the instrument s serial number and software revision 2 After 5 seconds the available language list will be displayed Select the required language and press ENTER The instrument will display the MAIN MENU The MAIN MENU screen The MAIN MENU screen is at the top of the menu hierarchy and is the s
5. Figure 2 1 U3000 U4000 Mounting and connection details 8 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 2 Installation micronics 2 2 3 Connecting the instrument All cables enter the instrument through the 4 cable glands provided and are connected to terminal blocks which are located behind a safety cover The terminal blocks use a spring loaded securing mechanism which is opened by lifting the orange tab situated on the top of the terminal connection Conirol amp monitoring cables Depending on the fitted options any of the following control and monitoring cables may be required Current output a 4 20mA 0 16mA or 0 20mA monitoring signal is output at terminal mA and mA mA is the current output terminal and mA is the return terminal Pulse output an opto isolated pulse output is available at terminals PULSE and PULSE PULSE is the pulse output terminal and PULSE is the return terminal Alarm Outputs two programmable multifunction alarm outputs are available using MOSFET SPNO relays The relays are rated at 48V 500mA continuous load and are connected to terminals ALARM1 ALARM1 ALARM2 and ALARM2 respectively RS232 Interface U4000 only an RS232 interface is provided to allow logged data to be downloaded to a PC or RS232 compatible printer The interface is connected to terminal TxD data transmitted from the U4000 RxD data received by the U4000 and GND signal
6. 3 5 Adjusting the damping factor 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 50 seconds with a default setting of 10 With the system running in FLOW READING mode 1 Press the Options key to access the FLOW READING OPTION screen shown FLOW READING OPTION DD MM YY HH MM SS 2 Scroll down and select Damping secs and Data review press ENTER This will open the DAMPING Zero Cutoff m s f 0 010 OPTION screen Set zero flow m s 0 000 Damping secs i 10 Totaliser Run Reset Total Reset Total Calibration factor 1 000 Roughness factor 3 0 010 Alarm Settings Max Pulse Freq Hz 10 00 Flow at Max Frequency 200 00 Calculated Pulse Value 2 00 Diagnostics Select Totals Total Exit 28 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 3 Operating Procedures micronics 3 Select the value of the Damping factor as required to remove any unwanted display DAMPING OPTION DD MM YY HH MM SS fluctuations Increasing the value applies a greater smoothing affect 1 Second 10 seconds 4 Press ENTER to apply the change 15 seconds 20 seconds 30 seconds 50 seconds Key Point f the damping factor is set too high the value displayed may appear stable but might exhibit large step changes when the value is updated 3 3 6 Holding the
7. Appendix A Specification 61 ll U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 1 General Description 1 1 Introduction This manual describes the operation of the U3000 U4000 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 U3000 U4000 is controlled by a micro processor system which contains a wide range of data that enables it to be used with pipes having an outside diameter ranging from 0 5 inches to 79 inches 197 inches with D sensors and constructed of almost any material The instrument will also operate over a wide range of fluid temperatures The basic features of the U3000 and U4000 are identical However the standard U4000 can also perform data logging has RS232 and USB communications interfaces U3000 U4000 standard features e Large easy to read graphic display with backlight Simple to follow dual function keypad Simple Quick Start set up procedure Continuous signal monitoring Isolated pulse output volumetric or frequency Isolated current output 4 20mA 0 20mA or 0 16mA 2x Isolated programmable alarm outputs e Password protected menu operation for secure use Signal diagnostics e Multi function alarm outputs Ope
8. Flow at Max Frequency Calculated Pulse Value Diagnostics Exit Note ALARM 2 can be used instead of ALARM 1 The procedure is identical except that Alarm 2 Mode is selected and the frequency pulse output is connected to ALARM2 and ALARM2 48 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 4 Data Logging amp Communications U4000 micronics 4 8 4 Configuring the Calec ST Energy Totaliser Two parameters need to be entered to allow operation with the U3000 U4000 These are Maximum Input Frequency The Maximum Input Frequency should be the same as that set in the U3000 U4000 i e 10Hz or 200Hz Volume per pulse Imp The Volume per pulse value should be the same as that indicated in the U3000 U4000 Calculated Pulse Value Both of these values can be entered using the Calec s Inputs menu Refer to the Calec s User Manual for further details Example Consider the U3000 U4000 configured as follows for a 114mm stainless steel pipe Max Pulse Freq Hz 200Hz Flow at max Freq 20 0 I s Calculated Pulse Value 0 1 The U3000 U4000 reads a mean flow rate of 72 08 m3 h 1 Select Calec Inputs and program as follows F 200Hz Imp 0 1 2 Select Calec Instant then scroll to AT 36 78 P 3043 344 Q 72 023 K 1 149 The calculated value of P is given by P kx Ox AT 3043 7kW This verifies the correct U3000 U4000 with the Calec ST Energy Totaliser U3000 U4000 User Ma
9. K K K K K K K K K K K kK 2K 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 24 Check that the indicated signal strength on the left of the screen shows at least 2 bars ideally FLOW READING DD MM YY HH MM SS 3 or 4 If less than 2 bars are shown it indicates Si 7 INK xx there could be a problem with the transducer tena spacing alignment or connections or an onli gal min application problem 25 Qxx xx indicates the signal quality and Total 0 00 gallons should have a value of 60 or greater Total 0 00 gallons 24 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 3 Operating Procedures 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 Barrels or 9 mS or change the display to show velocity by pressing key 4 If the flow reading exceeds a value of 9999 in the current units then a 10 multiplier will be displayed above the units and the value displayed will be a tenth of the actual value Similarly a 100 and 1000 may be displayed on very large flow rates There are limitations on the use of these larger flow values with regards to logging of data and setting the current and pulse outputs If the flow reading is less than 1400
10. and the true condition is not known In these circumstances experience has shown that the following values can be used Roughness Factor Pipe Material Pipe Material Roughness Factor Non ferrous metal 0 01 e Glass e Plastics e Light metal Welded steel pipes new e Long usage cleaned e Lightly and evenly rusted e Heavily encrusted 0 1 Drawn steel pipes e Fine planed polished surface e Plane surface e Rough planed surface Cast iron pipes Bitumen lining New without lining Rusted Encrusted The increase in the roughness factor has the effect of reducing the measured flow rate compensating for the drag caused by the rougher internal surface U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 27 3 Operating Procedures 8 micronics With the system running in FLOW READING mode 1 Press the Options key to access the FLOW READING OPTION screen shown FLOW READING OPTION DD MM YY HH MM SS 2 Scroll down and select Roughness factor Data review then press ENTER Zero Cutoff m s 0 010 fl s 0 000 3 Change the roughness factor according to the ee f 10 pipe material and condition as described above Totaliser Run 4 Press ENTER to apply the change Reset Total Reset Total Calibration factor Roughness factor Alarm Settings Max Pulse Freq Hz Flow at Max Frequency Calculated Pulse Value Diagnostics Select Totals Exit 3
11. ground Expansion ports U4000 only terminals EXPIO 1 to EXPIO 8 are used for I O connections to a number of optional expansion boards that may be fitted to the U4000 expansion slot 1 Remove the terminal block cover Route the control and monitoring cables through the two smaller cable glands Cut the wires to length strip back the insulation by approximately 0 4in and connect them into the required terminals as described above and identified in Figure 2 1 4 On completion tighten the cable glands to ensure the cables are held securely USB Connection U4000 only USB Connector Figure 2 2 U4000 USB Connection U3000 U4000 User Manual Issue 4 0 9 Software Ver 02 08 011 2 Installation micronics A Mini USB connector is available at the left hand side of the enclosure to which the USB cable provided can be attached as shown in Figure 2 2 The free end of the USB cable can be plugged directly into any PC USB port Power connections LETHAL VOLTAGES Ensure the power cable is isolated from the mains supply WARNING Do not apply mains voltage with the terminal cover removed SUPPLY EARTHING If the equipment is powered from a 24V AC supply then the WARNING supply must be isolated from Earth The instrument can be powered from a mains supply 86 264V a c 47 63Hz or from a 24V a c d c supply if it is fitted with a 24V supply module 1 Route the power cable through one of the tw
12. last reading during signal loss On certain applications where flow conditions change to such a degree that the measurement signal is temporarily lost it may be desirable to hold the last valid indication on the instrument s display until a good flow signal is re established This feature is activated by the Hold Reading option When the flow reading is lost the system will automatically seek to re connect to a usable flow measurement signal and after a couple of unsuccessful attempts it will display the ERR no flow reading alarm If the Hold Reading option is ON then the display will be frozen at the last valid flow reading for 5 minutes if the Hold Reading option is OFF then the display will indicate four dashes The Hold Reading option can be accessed from the SENSOR SEPARATION menu which is itself accessed by selecting either Quick Start or Read Flow from the MAIN MENU After the FLUID TEMPERATURE screen press the UP or DOWN keys to enter the SENSOR SELECTION menu see page 23 The Hold Reading option is the last item in the SENSOR SELECTION menu and can be selected ON or OFF as required default is OF F 3 4 Outputs Both the U3000 and U4000 have configurable Current Pulse and Alarm outputs 3 4 1 Current output Note Where long cable runs are necessary or noise pickup is causing unstable flow readings the use of two core screened cable such as BELDEN 9501 060U500 or similar is recommended for use with the 4 20mA current out
13. otherwise an error message is displayed 1 With the U4000 instrument operating in FLOW READING mode check that the indicated flow units are the same as those you want to appear on the logger output e g gal min U3000 U4000 User Manual Issue 4 0 41 Software Ver 02 08 011 2 Press the Logger function key to access the REAL TIME LOGGER screen 3 SelectLog data to and choose Memory This will store the log to the internal memory 4 Select Logging interval and enter the required period e g 10 seconds 5 Select Start date amp time and enter the date and time you wish logging to commence Note this must be in the future 6 Select Stop date amp time and enter the date and time you wish logging to cease Note this must be later than the start time 7 Ifthe instrument is to be left unattended for a long logging period of time the logged data could possibly fill the memory Select the Memory Rollover option to either Stop or Overwrite This determines what happens to 4 Data Logging amp Communications U4000 REAL TIME LOGGER Logging to Memory Unit Log name Log data to Logging interval Start date amp time Stop date amp time Remaining time Memory Rollover Graph Y axis max View log as text View log as graph START NOW Set Auto start Clear log Exit 8 PAICEFEONIES DD MM YY HH MM SS gal min Quickstart Memory 10 seconds dd mm yy hh mm ss dd mm yy hh mm ss MM DD
14. rail assembly is fully assembled the transducers are locked into position by tightening two thumb screws which are themselves then secured by locking nuts Note When using the U3000 U4000 in the diagonal mode or in reflex mode on pipes over 400mm diameter two guide rails are required with one transducer mounted in each see Paragraph 2 3 5 for diagonal mode details 2 3 3 Attaching the guide rail to the pipe 1 Remove the two nylon flags from the guide rail 2 Position the guide rail horizontally on the pipe at 45 to the horizontal and secure it in position using the stainless steel banding as shown in Figure 2 6 Note In the following procedure the guide rail is installed with the rectangular opening facing towards the upstream end of the pipe Figure 2 6 12 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 oe 2 Installation micronics 2 3 4 Fitting the transducers 1 Attach the nylon flags to the two transducers as shown in Figure 2d 2 Using a syringe applicator apply a narrow bead 0 1in of acoustic couplant to the base of both transducers 3 Insert the downstream transducer cable blue through the right hand guide rail end plate and up through the rectangular opening at the left hand side of the guide rail as shown in Figure 2 8 Figure 2 7 Note When carrying out the following steps handle the transducer assembly with care to avoid smearing
15. the acoustic couplant on the pipe whilst attaching the transducer to the guide rail 4 Connect the downstream cable blue to one of the transducers and lower the transducer and cable through the rectangular opening as shown in Figure 2 9 5 Align the slots in the side of the nylon flag with the edges on the top of the guide rail then carefully slide the transducer assembly to the middle of the guide rail 6 Tighten the thumb screw clockwise until the transducer is locked to the top of the guide rail to avoid the acoustic couplant from touching the pipe Figure 2 8 Figure 2 9 7 the upstream signal cable red to the other transducer and lower the transducer assembly through the rectangular opening as shown in Figure 2 10 8 Position the upstream transducer so that its leading face aligns with 0 on the ruler scale then lower the transducer onto the pipe by turning the thumb screw anti clockwise as shown in Figure 2 12 9 See Note below Align the leading face of the right hand downstream transducer at the calculated separation distance mark on the ruler scale then lower the transducer onto the pipe by turning the thumb screw anti clockwise until firm contact with the pipe is made U3000 U4000 User Manual Issue 4 0 13 Software Ver 02 08 011 2 Installation micronics Note Connect The correct separation distance for the particular application can be found using the Quicksta
16. the Output is Off Output Off Vol per pulse 10 00 Select Vol per pulse and press ENTER Pulse width ms 10 Enter the required value In the example Exit shown a pulse is produced every 10 gallons of flow Note The Vol per pulse can only be changed if the Pulse Output is Off 5 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 6 Select Exit and press ENTER to return to the FLOW READING screen How to turn the pulse output OFF ON 7 With the instrument operating in the FLOW READING mode press the Pulse function key PULSE OUTPUT DD MM YY HH MM SS to access the PULSE OUTPUT menu Pree OUEDBE TEUN Flow units gallons Select Output and press ENTER Output Off Vol l 10 Select On and press ENTER we i 2 99 10 A Pulse output is ON message will appear in Exit the second line of the display 11 Select Exit and press ENTER to return to the FLOW READING screen 3 4 3 Alarm outputs Both the U3000 and U4000 models contain two programmable alarm outputs that are interfaced by opto isolated relays The relay contacts are rated at a 48V maximum voltage across the open contacts and 500mA maximum continuous current through the closed contacts The two alarm outputs can be individually configured to operate in one of four modes Activate at a predefined Low or High flow rate
17. 0 ci F 41 00 13 The new temperature should now be indicated Continue in both C and F 14 Select Continue and press ENTER 15 The SENSOR SEPARATION screen now displays a summary of the entered parameters SENSOR SEPARATION DD MM YY HH MM SS and informs you of the type of sensor to be Site Quickstart i Pipe 6 50 Inches used the mode of operation and the distance to 4 Wall 0 50 Inches set up between the sensors Sensors A ST Reflex In this example it recommends type A ST A Temperature 5 00 C 41 00 F standard sensors operating in the Reflex Set sensor separation to 3 62 Inches mode spaced at 3 62 Inches apart Press to continue AV to select sens Take a note of these details Key Point The above example shows the spacing required using a standard type A probe set A ST as supplied with the model U3000 U4000A U3000 U4000 User Manual Issue 4 0 23 Software Ver 02 08 011 3 Operating Procedures 8 micronics Selecting the operating mode On large pipes using either type B or D sensors it may be necessary to use the Diagonal mode of operation rather than the Reflex mode due to signal strength or sensor location The system will automatically select Reflex mode if it is valid but the mode can be changed using the following steps 16 When in the SENSOR SEPARATION screen press either the Up or Down arrow keys This will display the SENSOR SELE
18. 00 US Galls min then the value can be logged and downloaded via Portagraph III Once a valid flow reading is obtained if the pipe conditions change such that the flow reading is lost then the system will automatically rescan to re establish a stable flow reading It is important that the instrument is left with the FLOW READING screen on the display because the automatic rescan is disabled if any of the other screens that can be reached from the FLOW READING screen are being displayed Note There will be a delay in the keyboard response if a rescan is in progress when a key is pressed 3 3 Instrument Calibration The instrument is fully calibrated before it leaves the factory 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 at a permanent or semi permanent location 3 3 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 1 m s but you may adjust this value if required 1 With the instrument operating in FLOW READING mode press the Options key to FLOW READING OPTION DD MM YY HH MM SS access the FLOW READING OPTIONS menu shown password required Data review Zero Cutoff m s 0 100 2 Sel
19. 08 011 4 Data Logging amp Communications U4000 Manually stopping the auto logging session 1 The logging session will stop automatically at the programmed Stop date amp time REAL TIME LOGGER DD MM YY HH MM SS 2 If you wish to manually stop logging earlier than Unit gal min programmed press the Logger function key to Log name Quickstart access the REAL TIME LOGGER screen then Log data to Memory select STOP NOW to cease logging Logging interval 10 seconds Start date amp time dd mm yy hh mm ss 3 Select Exit to return to the FLOW READING Stop date amp time f dd mm yy hh mm ss screen MM DD HH MM SS The logged data will remain stored in the Remaining time mm dd hh mm ss instrument s memory and can be viewed at any Memory Rollover Overwrite Graph Y axis max 50 View log as text View log as graph STOP NOW Set Auto start Clear log Exit time as described above 4 3 Howto Log Directly to a PC Instead of logging to the instrument s internal memory real time data logging to a PC can be REAL TIME LOGGER DD MM YY HH MM SS accomplished as follows Unit gal min 1 With the U4000 instrument operating in FLOW Log name Quickstart READING mode press the Logger function key Log data to RS232 to access the REAL TIME LOGGER screen Logging interval 10 seconds Start date amp time dd mm yy hh mm ss 2 Select Log data toand press ENTER Stop date amp time dd mm yy hh mm ss 3 Select RS232 an
20. 197 inches diameter over a temperature range 4 F to 176 F This kit is supplied in a separate case and includes the sensors together with ratchet straps and guide rails for attaching to the pipe 1 4 U3000 U4000 Instrument The U3000 U4000 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 volumes The instrument can also provide an isolated current output or variable pulse output proportional to the measured flow rate which can be scaled to suit a particular flow range Finally two isolated alarm outputs are provided which can be configured in a number of ways For example to operate when the flow rate exceeds a specified maximum or minimum limit In addition the U4000 can function as a data logger When operating in this mode the logged data can be output to the instrument s memory to a PC via the RS232 or USB serial interfaces or simultaneously to both memory and PC When logging to memory only the logged data can be downloaded to the PC at a later time Both the flow rate and Totals can be logged with up to 200k logging events stored internally LCD Display Keypad a mn ja a AECE Y i Coaxial cables to transducers Small amp Large Glands Blue Downstream for power connection Red Upstream Cable glands for Alarms amp I O connections Fi
21. 50 pico second continuous signal level indication on display Flow Velocity Range Minimum Velocity 0 33 ft s Max Velocity 33 ft s Bi directional Turn Down Ratio 200 1 Accuracy 0 5 to 2 of flow reading for flow rate gt 0 03 ft s and Pipe OD gt 3 0in 3 of flow reading for flow rate gt 0 03 ft s and Pipe OD in range 0 5 3 0in 6 of flow reading for flow rate lt 0 03 ft s Repeatability 0 5 of measured value or 0 03 ft s whichever is the greater 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 I s I min I h gal s gal min gal h USgals s USgals min USgals h Barrel h Barrel day m s m min m h Selectable Volume Units US gallons gallons barrels oil litres 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 glycol 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 diam
22. Alarm Test Frequency U3000 U4000 User Manual Issue 4 0 33 Software Ver 02 08 011 8 micronics 3 Operating Procedures 3 This will return you to the ALARM SETTINGS menu ALARM SETTINGS DD MM YY HH MM SS 4 If the selected mode is Low High or Volume Alarmi1 Mode select ALarm1 Level enter an appropriate Alarml Level lt value gt value and press ENTER to set the alarm Alarm2 Mode operating point see below ear Level lt value gt x1 Alarm1 ON Alarm2 ON High or Low limit values If High or Low limits are selected the value entered in the ALARM SETTINGS menu must be in the range 9999 to 9999 This value is in the units previously selected e g gal min The default value is 9999 Volume limit values If VOL limit is selected the value entered in the ALARM SETTINGS menu must be in the range 3 999 999 999 99 to 3 999 999 999 99 This value will be in the units previous selected e g Litres m3 gals The default value should be 3 999 999 999 99 Alarm Test 1 SelectAlarm Test and press ENTER in the Alarm1 MODE menu to test that Alarm1 can be activated 2 SelectAlarm Test and press ENTER in the Alarm2 MODE menu to test that Alarm2 can be activated Pulse Frequency When Frequency is selected a variable frequency pulse proportional to the flow rate can be output at the ALARM 1 or ALARM 2 outputs When this feature is used the Max Pulse freq Hz andFlow at Max Frequency must be setin the FLOW READING O
23. CTION menu 17 Scroll down to Sensor mode and press ENTER 18 Scroll to the required mode and press ENTER 19 Select Exit and press ENTER to return to the SENSOR SEPARATION screen 20 The correct sensor separation distance for the selected mode will now be displayed Note Do not press ENTER to continue with the operating procedure until the transducers are fitted and connected to the instrument Password Control After data has been entered for the first time the U3000 U4000 password control feature is enabled when you exit from Quick start tothe FLOW READING screen This prevents unauthorised tampering of the set up data Once enabled a password control box is displayed if any key is pressed and you must then enter 71360 to disable the password control and gain access to any of the menus Note Once disabled the password control feature is re enabled if no keys are pressed for five minutes Attaching and connecting the transducers 21 Fit the designated sensors to the pipe using the guide rail as described in Paragraph 2 3 2 The separation distance must be set to within 0 02 inches Taking a flow reading 22 Once the transducers have been fitted and connected press the ENTER key twice 23 This will take you from the SENSOR Please wait SEPARATION screen to the FLOW READING Checking signals screen via the signal checking screen shown here OK K K OK K K K KK KK KK KK KKK KKK kK K K K K K
24. Calibrate 4 20mA and press ENTER Calibrate 4 20mA Factory settings Change Language Exit 8 Connect a calibrated ammeter to the 4 20mA output and adjust the UP DOWN Scroll keys CALIBRATE 4mA DD MM YY HH MM SS Coarse and LEFT RIGHT Scroll keys 5 amp 6 fine until the output is exactly 4 00mA The DAC should indicate approximately 8000 9 Press ENTER when done DAC Value 8000 Adjust the output current to 4mA Use AV to set 5 6 to trim Press when done 30 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 8 3 Operating Procedures micronics 10 With the meter still connected to the 4 20mA output adjust the Scroll keys to obtain an output of exactly 20 00mA i The DAC should indicate approximately 40000 we i mga a ae 11 Press ENTER when done CALIBRATE 20mA DD MM YY HH MM SS DAC Value 40000 Press when done 4 20mA Signal scaling 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 12 With the instrument operating in the FLOW READING mode press the 4 20mA function ye v Ap a DD MM YY HH MM SS ee access the 4 20mA OUTPUT mA Output Reading l 9 00 Output Range 4 20 13 Select Flow at max output and press Units gal min ENTER then enter a value of the flow rate Flow at max output that you want to associate with a 20 00mA Flow
25. HH MM SS mm dd hh mm ss Overwrite 50 the stored data if the memory becomes full Similarly select Clear log if you want to ensure that maximum memory is available Note if you select to clear all logs you will lose all the currently held log data 8 Select Set auto start This enables the auto logging application If Set Auto start is enabled with valid start and stop times then this entry will change to Cancel Auto start 9 To cancel the automatic logging session before it commences click the Cancel Auto Start 10 Select Exit to return to the FLOW READING screen Monitoring the logged events REAL TIME LOGGER Logging to Memory Unit Log name Log data to Logging interval Start date amp time Stop date amp time Remaining time Memory Rollover Graph Y axis max View log as text View log as graph START NOW Cancel Auto Start Clear log Exit DD MM YY HH MM SS gal min Quickstart Memory 10 seconds dd mm yy hh mm ss dd mm yy hh mm ss MM DD HH MM SS mm dd hh mm ss Overwrite 50 This is described in detail in Paragraph 4 1 If you wish to view the logging progress at any time while you are operating in FLOW READING mode without interfering with the logging operation 1 Press the Logger function key as described above to access the REAL TIME LOGGER screen 2 Select View log as textorView log as graph as required U3000 U4000 User Manual Issue 4 0 Software Ver 02
26. LOGGED DATA screen 10 On the VIEW LOGGED DATA screen you can now Clear the log if required or Exit directly back to the MAIN MENU USB RS232 Exit 44 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 4 Data Logging amp Communications U4000 micronics Key Point When using the USB to download data make sure that the USB driver has been installed and the correct COM port has been set see Paragraph 2 4 4 6 Working with Portagraph Ill Micronics Ltd supplies the Portagraph Ill Downloading and Graphing software to make it easy for the user to downloading logged data to a PC Logged data can then be downloaded and analysed using the Portagraph Ill graphing capability or exported to Microsoft Excel for more detailed graphing and analysis Portagraph III will automatically detect the unit s RS232 configuration baud rate data bits parity stop bits so there is no need for the user to specifically set this up For full details of Portagraph III operation refer to the Portagraph III user manual 4 7 Printing Logged data can be printed using an RS232 compatible printer 4 7 1 How to print logged data using the RS232 printer This procedure shows you how to set up and use the RS232 printer to print logged data Setting up an RS232 connection 1 Connect the TXD Data RXD Data and Signal Ground wires from the Printer to the terminal blocks on the U4000 2 Select Setup RS232 USB from th
27. Micronics U3000 4000 Ultrasonic Flowmeter User Manual micronics Through measurement comes control Micronics Ltd Knaves Beech Business Centre Davies Way Loudwater High Wycombe Bucks HP10 9QR Telephone 44 0 1628 810456 Facsimile 44 0 1628 531540 E mail sales micronicsltd co uk www micronicsflowmeters com Issue 4 0 Software version 02 08 01 1 Table of Contents 1 General Description 1 1 Introduction 1 2 Principles of Operation 1 3 Supplied Hardware 1 4 U3000 U4000 Instrument 1 4 1 Connections 1 4 2 Keypad 1 4 3 Power supply 2 Installation 2 1 Safety Precautions and Warnings 2 2 Installing the U3000 U4000 Instrument 2 2 1 Positioning the instrument 2 2 2 Mounting the instrument 2 2 3 Connecting the instrument 2 3 Installing the Ultrasonic Transducers 2 3 1 Transducer positioning 2 3 2 Transducer attachment 2 3 3 Attaching the guide rail to the pipe 2 3 4 Fitting the transducers 2 3 5 Transducer attachment diagonal mode 2 4 Installing the USB Virtual Com Port U4000 only 3 Operating Procedures 3 1 Setting up the Instrument 3 1 1 Using the instrument for the first time 3 1 2 Changing the user language 3 1 3 Changing the date and time U4000 only 3 2 Using the Quick Start Menu 3 3 Instrument Calibration 3 3 1 Adjusting the zero cut off 3 3 2 Adjusting the set zero flow offset 3 3 3 Adjusting the calibration factor 3 3 4 Adjusting the roughness factor 3 3 5 A
28. OW 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 us 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 Gain Gain values are typically in the range 600 to 850 Switches Typical Switches values are None and 10 On small pipes and when using the test block the value should be None A Switch value of 100 indicates poor sensor set up or poor connections UP DN time difference The difference in transit times between the upstream and downstream signals due to the fluid flow Fluid propagation rate This is the sound speed of the fluid calculat
29. PTION menu Refer to page 47 for operation with the Calec ST Energy Totaliser for full details 34 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 3 Operating Procedures micronics Resetting an alarm When either Alarm1 or Alarm2 is activated the appropriate relay will be held in the closed position until The activation condition is removed or The Alarm is reset Both Alarm1 and Alarm2 can be reset by using one of the following procedure 1 Access the The ALARM SETTINGS menu by selecting Alarm Settings from the FLOW FLOW READING OPTION DD MM YY HH MM SS READING OPTION menu and press ENTER Data review Zero Cutoff m s 0 010 Set zero flow m s 0 000 2 The ALARM SETTINGS screen should be Damping secs 10 displayed as shown below Totaliser Run Reset Total Reset Total Calibration factor 1 000 Roughness factor 0 010 Alarm Settings Max Pulse Freq Hz i 10 00 Flow at Max Frequency 200 00 Calculated Pulse Value 2 00 Diagnostics Select Totals 3 Total Exit Alarm configuration 1 To reset Alarm 1 select Alarm1 Mode and in press ENTER This will access the ALARM1 ALARM SETTINGS DD MM YY HH MM SS h low MODE menu screen shown below Alarml Mode Alarml Limit lt value gt Alarm2 Mode Alarm2 Limit z lt value gt Exit Alarm1 ON Alarm2 ON Select Of f from the menu and press ENTER ALARM1 MODE DD MM YY HH MM SS This should de activate the ala
30. 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 of the nature of any problem 7 Take suitable precautions when using any materials to clean the sensors The instrument and sensors should be calibrated at least once every 12 months Contact Micronics or your local service agent for details 9 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 10 If the instrument was supplied with dust or dirt caps make sure they are re fitted when the instrument is not in use U3000 U4000 User Manual Issue 4 0 51 Software Ver 02 08 011 5 Maintenance amp Repair 8 MICFONICES 52 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 6 Troubleshooting 6 1 Overview If you have a problem with your flow monitoring system it can be due to any of the following Faulty instrument Blank instrument display Loss of power supply to the instrument Internal power supply fuse ruptured Scrambled instrument display Reboot the instrument by temporarily disconnecting its power supply Incorrect setup A low or zero signal could be caused by incorrect set up such as Incorrect site data entered into the instrument e Incorrect or non matching ultrasonic transducers selected
31. SS Alarm1 Mode Of f Alarml Level Alarm2 Mode off Alarm2 Level Exit U3000 U4000 User Manual Issue 4 0 47 Software Ver 02 08 011 4 Data Logging amp Communications U4000 10 11 12 Scroll down to Frequency and press ENTER This return to the ALARM SETTINGS menu which will indicate Frequency ontheAlarm 1 Mode field as shown below Select Exit to return to the FLOW READING OPTIONS menu Scroll down to select Max Pulse Freq Hz and press ENTER Enter either 10Hz or 200Hz and press ENTER Select Flow at Max Frequency and press ENTER Enter the maximum flow rate in litres per second corresponding to 10Hz or 200Hz and press ENTER The Calculated Pulse Value should indicate a value which must be used by the Imp value on the Calec This is a non editable value Select Exit and press ENTER to return to the FLOW READING screen The message Frequency Pulse is ON should now be displayed on the status line of the display line 2 8 micronics ALARM1 MODE DD MM YY HH MM SS Of f Low High Volume On Flow Error Alarm Test ALARM SETTINGS DD MM YY HH MM SS Alarml1 Mode Alarm1 Level Alarm2 Mode Alarm2 Level Exit Frequency off FLOW READING OPTION DD MM YY HH MM SS Data review Zero Cutoff m s 0 010 Set zero flow m s Damping secs Totaliser Reset Total Reset Total Calibration factor Roughness factor Alarm Settings Max Pulse Freq Hz
32. The pipe lining thickness and material if any The type of fluid contained in the pipe being monitored 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 inches used to measure the pipe then press DIMENSION UNIT DD MM YY HH MM SS ENTER Select the dimension units mm w Inches U3000 U4000 User Manual Issue 4 0 21 Software Ver 02 08 011 3 Operating Procedures 8 micronics 3 Enter the pipe outside diameter dimension then press ENTER OUTSIDE DIAMETER DD MM YY HH MM SS Dimensions Inches Pipe outside diameter 6 50 4 Enter the pipe wall thickness dimension then press ENTER PIPE WALL THICKNESS DD MM YY HH MM SS Dimensions Inches Pipe outside diameter 6 Pipe wall thickness 5 If the pipe has a lining enter the lining thickness If nothing is entered the instrument automatically assumes there is no lining PIPE LINING THICKNESS DD MM YY HH MM SS Dimensions Inches 6 Press ENTER to continue Pipe outside diameter 6 50 Pipe wall thickness 0 50 Pipe lining thickness 0 12 7 Select the pipe wall material from the list provided then press ENTER PIPE WALL MATERIAL DD MM YY HH MM SS If the material is not listed select Other and select pipe wall material enter the propagation r
33. USB software driver provided Logged Data Can be output to PC or Printer Current Output No Channels Format Resolution Error Currents Isolation Maximum Load 1 4 20mA 0 20mA 0 16mA 0 1 of full scale Any between 0 26mA 1000V Opto isolated from unit 620 Ohms Pulse Output TTL Number Available Isolation Pulse Repetition Rate Pulse Width Max Current Max Voltage 1 Opto isolated MOSFET relay 1500V opto isolated from unit User programmable from 1 to 250 pps User programmable from 2ms to 500ms 500mA 48V O N U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 Alarms Isolation Relay Contact Mode Alarm Functions Frequency output Max Current Max Voltage Supply Voltage Number of Channels Available 2 opto isolated MOSFET relay 1500V opto isolated from unit N O when switching condition is False Closed when switching condition is True The two relays can be configured to operate when apredefined MINimum or MAXimum flow rate is exceeded a specified VOLume is measured a signal Error condition occurs manual alarm test e pulse frequency Maximum 200Hz 500mA 48V Mains Input Voltage 86V to 264V a c Mains Input Frequency 47Hz to 63Hz Power Consumption 10 5W Alternative Input Supply 24Va c d c 1A max The 24Vac supply must be isolated from Earth
34. W READING screen Stop logging 1 From the FLOW READING screen press the Logger function key to access the REAL TIME REAL TIME LOGGER DD MM YY HH MM SS LOGGER screen Unit san 2 Select STOP NOW to cease logging Log name Quickstart Note that the START NOW and STOP NOW Log data to Memory options toggle depending on which was last Logging interval 10 seconds selected Start date amp time dd mm yy hh mm ss Stop date amp time dd mm yy hh mm ss 3 Select Exit to return to the FLOW READING screen MM DD HH MM SS Remaining time mm dd hh mm ss 4 Note that the logged data will remain stored in Memory Rollover lt Overwrite the instrument s memory and can be accessed Graph Y axis max 50 at any time as described above View log as text View log as graph STOP NOW Set Auto start Clear log Exit 4 2 How to Set Up Automatic Timed Logging Mode This procedure shows you how to set up an auto logging session under timed start stop control The logged data is saved to the instrument s memory and can be downloaded to a PC at a later time Starting point This procedure assumes that the instrument has been correctly installed and is operating in the FLOW READING mode Also that the instrument s date and time are correctly set Setting up starting and cancelling auto logging Key Point When entering the Start and Stop times in this procedure you must P enter 00 in the seconds field rather than leave it blank
35. aliser to calculate and display the accumulated Energy absorbed by the heating system 4 8 1 Pulse output When working with the Calec ST Energy Totaliser the U3000 U4000 normal pulse output is not used Instead a pulse whose frequency is proportional to the flow rate is independently generated and output on ALARM1 or ALARM2 outputs This gives a more stable reading than the pulse packets that would normally be output 4 8 2 Connecting the U3000 U4000 to the Calec ST Energy Totaliser Connect the U3000 U4000 to the Calec ST Energy Totaliser as follows 1 Connect ALARM1 or ALARM2 to the Calec s Pulse input 10 2 Connect ALARM1 or ALARM2 to the Calec s Pulse input 11 4 8 3 Configuring the U3000 U4000 Configure the U3000 U4000 frequency pulse output using the following procedure 1 From the FLOW READING screen press the Options key to select the FLOW READING FLOW READING OPTION DD MM YY HH MM SS OPTIONS menu shown Data review Z Cutoff 3 0 010 Note You may need to enter the password first at eee a a 2 Scroll down to Alarm Settings and press Damping secs ENTER to select the ALARM SETTINGS menu Totaliser shown below Reset Total Reset Total Calibration factor Roughness factor Alarm Settings Max Pulse Freq Hz Flow at Max Frequency Calculated Pulse Value Diagnostics Exit 3 Select Alarm 1 Mode and press ENTER to select the ALARM1 MODE menu shown below ALARM SETTINGS DD MM YY HH MM
36. anual any reference to U3000 U4000 applies to both U3000A B and U4000A B model variants unless otherwise stated Note In addition to the A and B type sensors type D sensors option are available for use on pipes up to 197 inches These have a different mounting method See Paragraph 1 3 for further details 1 2 Principles of Operation Upstream Ke 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 N signals passing between them are reflected Fi luid flow io I J by the opposite pipe wall u in The separation distance is calculated by the instrument in response to entered data concerning the pipe and fluid characteristics Reflex mode double bounce In this mode the separation distance is calculated to give a double bounce This is Fluid flow F most likely to occur if the pipe diameter is _ gt N ef NS so small that the calculated reflex mode EEA separation distance would be impractical for the transducers in use Separation Distance iia fow z 7 a triple bounce situation This would normally ag pet gt apply when working with very small pipes WXEL relative to the transducer range in use Separation lt Distance x Reflex mode triple bounce This illustration goes one step further to show Separation Distance Diagonal mode This mode might be selected by the
37. at min output output Output mA for error 14 Select Flow at min output and press ENTER then enter a value of the flow rate that you want to associate with a 4 00mA output This could be 0 15 Select Output mA for error and enter a value max of about 26mA 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 16 Upon completion press ENTER to return to the FLOW READING screen How to convert the measured current to flow rate Assume the maximum flow rate is Fmax gal min and the minimum flow rate Fnjn is 0 gal min as shown Fmax 0 16mA scale 0 20mA scale 4 20mA scale z m Fmin I mA U3000 U4000 User Manual Issue 4 0 31 Software Ver 02 08 011 3 Operating Procedures 8 micronics To calculate the flow rate gal min for a measured current I mA then 0 20mA 0 16mA 4 20mA F F x F _ F I 4 x F F Flow rate Una mn F in Flow rate Zar een min F nin Flow rate gy min F rin 3 4 2 Pulse output for Pulse Frequency Output see page 47 Pulse output configuration Two parameters can be configured from the PULSE OUTPUT menu e Volume of fluid per pulse e Pulse width 1 With the instrument operating in the FLOW READING mode press the Pulse function key PULSE OUTPUT DD MM YY HH MM SS to access the PULSE OUTPUT screen ag EUR Flow units gallons Ensure that
38. ate of the pipe wall Mild Steel material in metres sec Contact Micronics if this gt 5 less Steel 316 is not known S less Steel 303 Plastic Cast Iron Ductile Iron Copper Brass Concrete Glass Other m s 22 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 3 Operating Procedures 8 Ifalining 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 PIPE LINING MATERIAL DD MM YY HH MM SS Select pipe Lining material bypassed a 9 Select the lining material from the list provided Rubber then press ENTER Glass Epoxy If the material is not listed select Other and Concrete enter the propagation rate of the lining material Other m s in metres sec Contact Micronics if this is not known 10 Select the fluid type from the list provided and press ENTER FLUID TYPE DD MM YY HH MM SS If the liquid is not listed select Other and enter select fluid type a propagation rate in metres second Contact Water Micronics if this is not known Glycol water 50 Glycol water 30 Lubricating oil Diesel Freon Other m s 11 If you need to alter the fluid temperature from that shown select either C or F with the FLUID TEMPERATURE DD MM YY HH MM SS cursor and press the ENTER key Enter Fluid Temperature 12 Enter the new temperature value and press the ENTER key C 5 0
39. d press ENTER MM DD HH MM SS 4 If necessary change the Logging interval Remaining time mm dd hh mm ss Memory Rollover Overwrite 5 Select START NOW and press ENTER Real time Graph Y axis max 50 data logging to the PC will now commence at View log as text the specified logging interval View log as graph STOP NOW 6 To STOP logging to the PC select STOP NOW cat Auto start from the REAL TIME LOGGER menu and press Clear log ENTER Exit Note In order for the above procedure to work the U4000 must be connected to the PC and the RS232 USB link already established 4 4 How to Log Directly to Both Memory and PC Logging simultaneously to both the unit s internal memory and to the PC or Printer can be set up as follows 1 From the REAL TIME LOGGER menu select Log data to and then select Both U3000 U4000 User Manual Issue 4 0 43 Software Ver 02 08 011 u d micronics 4 Data Logging amp Communications U4000 2 Select START NOW to begin the logging session P 4 5 How to Download Logged Data to a PC This procedure describes how to download stored data to a PC It assumes that the U4000 is already connected to the PC s serial port and that RS232 USB communication has been established as described in Paragraph 4 6 1 Access the MAIN MENU Key Point This will only work if the U4000 is connected to the PC and the RS232 link has already been established If the RS232 protocol has not been conf
40. d range is 0 04 to 3 inches Response Enter a valid number ERR Lining thick range Interpretation You have entered an out of range value for the lining thickness dimension acceptable range is 0 to 1 inch Response Enter a valid number ERR Temperature range Interpretation You have entered an out of range value for the fluid Temperature Accepted temperature range 4 F to 392 F Response Enter a valid number ERR 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 ERR Invalid Sensor or Mode Interpretation The selected temperature is higher than the maximum allowed for the sensor type Response Change the temperature Mode Err Type Interpretation The selected sensors are invalid and the mode cannot be verified Response Choose a mode that gives a non zero separation distance U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 57 6 Troubleshooting micronics 6 4 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 READING mode you can access a diagnostics screen by pressing the Options function key and then selecting Diagnostics from the FL
41. djusting the damping factor 3 3 6 Holding the last reading during signal loss oaa WOW OONN NV NSN 19 20 20 21 21 21 25 25 25 26 27 28 29 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 m micronics 3 4 Outputs 29 3 4 1 Current output 29 3 4 2 Pulse output for Pulse Frequency Output see page 47 32 3 4 3 Alarm outputs 32 3 5 How to Measure Totalised Flows manually 36 3 6 Display of totalisers 37 4 Data Logging amp Communications U4000 39 4 1 How to Set Up the Basic Logging Application to Memory 39 4 2 Howto Set Up Automatic Timed Logging Mode 41 4 3 How to Log Directly to a PC 43 4 4 Howto Log Directly to Both Memory and PC 43 4 5 How to Download Logged Data to a PC 44 4 6 Working with Portagraph Ill 45 4 7 Printing 45 4 7 1 How to print logged data using the RS232 printer 45 4 8 Operation with the Calec ST Energy Totaliser 47 4 8 1 Pulse output 47 4 8 2 Connecting the U3000 U4000 to the Calec ST Energy Totaliser 47 4 8 3 Configuring the U3000 U4000 47 4 8 4 Configuring the Calec ST Energy Totaliser 49 5 Maintenance amp Repair 51 6 Troubleshooting 53 6 1 Overview 53 6 2 General Troubleshooting Procedure 54 6 3 Warning and Status Messages 55 6 4 Diagnostics Display 58 7 Options 59 7 1 Options Common to Both the U3000 U4000 59 7 1 1 Large pipe diameter transducers 59 7 1 2 Guide rail options 59 7 1 3 Extended signal cable options 59
42. e MAIN MENU This will access the SETUP RS232 USB SETUP RS232 USB DD MM YY HH MM SS sorben shown hars Handshaking Xon Xof f 3 Set the RS232 parameters to comply with those Baud Rate 1200 for the printer Data Bits 8 Stop Bits 1 The parameters shown here are for the Seiko Parity None DPU 414 Thermal Printer New Line CR LF ns f Printer test 4 Ensure that the printer has sufficient paper is Exit switched ON and ON LINE 5 To check that the U4000 printer interface is operational select Printer test fromthe SETUP RS232 USB menu If the RS232 interface is working correctly the following message will be printed lt Software revisions gt lt unit serial number gt If nothing is printed check that the RS232 parameter settings are correct for the printer and that the U4000 TxD and RxD signals are compatible with the printer s RS232 interface A gender changer may be required to swap the TxD and RxD signals U3000 U4000 User Manual Issue 4 0 45 Software Ver 02 08 011 4 Data Logging amp Communications U4000 Coa d micronics Printing logged data 1 Select View Logged Data from the MAIN MENU This will display the VIEW LOGGED VIEW LOGGED DATA DD MM YY HH MM SS DATA screen shown Choose from list of sites 2 Select Choose from list of sites and View log as text select the site name for the log you want to View log as graph print Graph Y axis max Download log 3 When you are read
43. ecords the date time of any power disruptions and time stamps any such occurrence in the output log All data logging ceases while power is unavailable 6 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 2 Installation 2 1 Safety Precautions and Warnings LETHAL VOLTAGES You may be exposed to potentially lethal mains voltages when the terminal cover of this instrument is removed WARNING Always isolate the supply to this instrument before removing the terminal cover LETHAL VOLTAGES This instrument must be installed by an electrically qualified technician aware of the potential shock hazards presented when working with mains powered equipment SUPPLY EARTHING If the equipment is powered from a 24V AC supply then the supply must be isolated from Earth IP65 Enclosure Protection Blanking plugs are fitted to the cable glands on leaving the manufacturer In order to preserve the enclosure s IP65 rating ensure that the blanking plugs Caution remain fitted in any unused cable gland 2 2 Installing the U3000 U4000 Instrument 2 2 1 Positioning the instrument The U3000 U4000 instrument should be installed as close as conveniently possible to the pipe mounted ultrasonic sensors Standard transducer cables are 16 5 ft in length with 33 ft cables being optionally available Where for operational reasons it is not possible to mount the instrument this close to the sensors bespoke cables
44. ect Zero Cutoff m s and press Set zero flow m s 0 000 ENTER Damping secs 10 Totaliser Run 3 Enter the value for the Zero Cutoff e g 0 06 Reset Total m s then press ENTER 4 Scroll down to select Exit and press ENTER to return to the FLOW READING screen 3 3 2 Adjusting the set zero flow offset The U4000 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 U3000 U4000 User Manual Issue 4 0 25 Software Ver 02 08 011 3 Operating Procedures 8 micronics 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 cancelled you can then reapply the Zero Cutoff if required P Key Point If you have adjusted the Zero Cutoff point to anywhere above 0 you 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 cancelling the offset to obtain a
45. ed using the data entered by the user Sensor separation The same value as displayed in the setup screen 58 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 7 Options 7 1 Options Common to Both the U3000 U4000 The following options are common to both the U3000 and U4000 instruments 7 1 1 Large pipe diameter transducers Type D transducers are available for use with pipe diameters in the range 59 inches to 197 inches operating over the temperature range 4 C to 176 F The type D transducer kit is supplied in a separate case and includes the sensors together with ratchet straps and guide rails for attaching to the pipe 7 1 2 Guide rail options The standard method of securing the guide rail to the pipe is by stainless steel banding However optional end plates are available to allow fixing by chain 7 1 3 Extended signal cable options The signal cables normally supplied with the U3000 U4000 are 118 inches in length However cables of 39 inches and 197 inches available as options If required custom signal cables with lengths up to 328 feet can also be supplied Consult Micronics Ltd for further information and availability U3000 U4000 User Manual Issue 4 0 59 Software Ver 02 08 011 7 Options 8 MICFONIES 60 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 Appendix A Specification DSP Measurement Technique Transit time Timing Resolution
46. em can be set up to operate in one of four modes determined mainly by the pipe diameter and the type of transducer set in use The diagram in Figure 1 1 illustrates the importance of applying the correct separation distance between the transducers to obtain the strongest and therefore most reliable signal 1 3 Supplied Hardware The supplied U3000 U4000 components are shown in Figure 1 2 Transducer U3000 4000 Cables x2 Instrument a High Temperature j N Interface 7 Cables x2 A P Guide Rail Acoustic Couplant Transducers Applicator Sensors Ax2 or Bx2 User Documentation Mounting clamps x2 Steel bands x2 Figure 1 2 Standard U3000 U4000 equipment U3000 U4000Standard equipment Instrument with backlit graphic display e Transducer cables x2 16 5 feet in length e High temperature interface cables x2 e Transducers A ST x2 U3000 U4000A for use with pipes ranging 0 5 inch and 4 5 inches e Transducers B ST x2 U3000 U4000B for use with pipes ranging 2 inches 79 Inches e USB cable U4000 Guide rail for use with A or B transducers Steel bands used to secure the transducer guide rails to the pipe Acoustic couplant User documentation U3000 U4000 User Manual Issue 4 0 3 Software Ver 02 08 011 1 General Description micronics U3000 U4000 Optional equipment Transducer set D used for monitoring pipes of 59 inches to
47. etation 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 4 1 ERR Log not empty Interpretation When using QuickStart and manually starting a log this message is displayed to warn you that a log already exists The screen will offer the option to cancel the logging or save the log to another site Response Attempt to save the existing log then re start logging If logging still fails to start and the error message remains then either all the sites are in use or all the Logger memory is full Check for any unwanted log files and delete them ERR Log memory full Interpretation This occurs when all the data logger memory locations are filled The effect on the logging process will depend on the setting of the Memory rollover field in the REAL TIME LOGGER screen which may be set to Stop or Overwrite Response Clear the logger memory as described in Paragraph 4 2 56 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 SET UP ERRORS 6 Troubleshooting ERR Pipe OD range Interpretation You have entered an out of range value 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 ERR Wall thk range Interpretation You have entered an out of range value for the pipe wall thickness dimension accepte
48. eter 0 5 197 0 inches with D sensor set Pipe Wall Thickness 0 04 3 0 inches Pipe Lining Applicable pipe linings include Rubber Glass Concrete Epoxy Steel Pipe Lining Thickness 0 0 1 0 inches Pipe Wall Temperature Range Standard sensor operating temperature is 4 F to 275 F U3000 U4000 User Manual Issue 4 0 61 Software Ver 02 08 011 8 MICFONIES Data Logged Standard Temperature Range 4 F to 275 F A ST standard 0 5 inch 4 5 inches pipe O D B ST standard 2 inches 79 Inches pipe O D Protection IP51 Optional Temperature Range 4 F to 176 F 0 5MHz D 59 inches 197 inches pipe O D Standard All measurement parameters and flow reading Optional Totalised values No data points Standard 200K data points may be affected by totaliser Time Stamping All data points are date amp time stamped No Sites 1 non editable and 1 editable Logging Interval User programmable 5 secs to 1hr Operating Modes Logging stopped when memory full Logging continues on memory overflow with old date overwritten Logged Data Transfer Standard Supported Languages Serial Interface Logged data can be transferred to PC via RS232 or USB English French German Italian Spanish Portuguese Russian Norwegian Dutch Swedish RS232 and USB 2 0 Full Speed 12Mbits sec mode
49. 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 Uneven surface preventing good surface contact with the transducer Flaking paint should be removed e Variable air gap in concrete covered pipes affecting the ultrasonic signal quality Poor internal pipe construction Rough internal pipe walls affecting fluid flow see roughness factor Internal welds positioned 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 Air in the top of the pipe Low fluid flow within the pipe Pipe obstructions Malfunctioning valve not opening fully or cl
50. gure 1 3 Instrument details 1 4 1 Connections Transducer connections The transducers are connected to two coaxial sockets located on the bottom left hand of the instrument The silk screen above these connectors show a red and blue triangle and a direction of flow symbol For a positive flow reading it is important that the upstream transducer is connected to the RED socket and the downstream transducer to the BLUE one It is safe to connect or disconnect the cable while the instrument is switched on USB connection U4000 only A USB cable is supplied as part of the U4000 kit and can be connected between the U4000 instrument and a PC to download logged data The USB connector located on the top left hand side of the flowmeter as shown in Figure 2 2 uses a Bulgin screwed type mini USB connector to preserve the enclosure s IP 65 rating 4 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 oa 1 General Description micronics RS232 Connection U4000 only A set of terminal blocks is provided for the RS232 connection the cable to be routed via either of the alarm and I O cable glands see Figure 1 3 4 20mA Pulse and Alarm I O connections The 4 20mA pulse and alarm I O cables enter the bottom of the instrument via two cable glands and are connected internally to a terminal block Full details of the terminal connections are provided in Chapter 2 Installation and Chapter 7 Options Power suppl
51. he Date and Time display is replaced with a flashing asterisk 3 1 2 Changing the user language If you want to change the user language at any time after the instrument has been put into operation SETUP INSTRUMENT DD MM YY HH MM SS 1 Select Setup Instrument from the MAIN MENU then press ENTER 2 Select Change Language from the SETUP INSTRUMENT screen then press ENTER Set Date amp Time Calibrate 4 20mA actory settings Change Language Exit dd mm yy hh mm ss 3 Select the required language from the list provided and press ENTER 4 The instrument returns to the MAIN MENU 3 1 3 Changing the date and time U4000 only The correct date and time should have been set when the instrument was initially put into service To update the date time parameters SETUP INSTRUMENT DD MM YY HH MM SS Set Date amp Time Calibrate 4 20mA Factory settings Change Language Exit dd mm yy hh mm ss 1 Set the required Date amp Time as described in Paragraph 3 1 1 3 2 Using the Quick Start Menu The Quick Start menu gathers various data for the site to be monitored and returns details of the transducer configuration that must be applied when mounting the transducers on the pipe Before you can use the U3000 U4000 system you need to obtain the following details this information is required when setting up the Quick Start menu The pipe outside diameter The pipe wall thickness and material
52. he 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 specified above conforms to the above Directive s and Standard s Signature Printed Name Michael Farnon Title Managing Director Date 25th January 2010 Registered Office Micronics Limited Knaves Beech Business Centre Davies Way Loudwater Buckinghamshire HP10 SGA Web site www micronicsltd co uk Tel 44 1626 810456 Fax 44 1628 591540 Directors E J Fernan M A Farman Registration No 1289680 V A T Registration No 303 6190 91 U3000 U4000 User Man
53. igured you can access the RS232 set up screen by pressing the Comms button Note If this is done from the FLOW READING screen any logging currently taking place will be terminated 2 Select View Logged Data from the MAIN MENU 3 Only two sites are available on the U4000 One non editable site name QuickStart and one editable site name default EmptySite1 Select Choose from list of sites and select one of these site names to download VIEW LOGGED DATA DD MM YY HH MM SS Choose from list of sites View log as text View log as graph Graph Y axis max Download log Clear log Select log totals Exit 4 The totals are always logged If you wish to display them when either viewing a log or downloading it to a PC or printer then use the options in Select Log Totals The default is Of f Portagraph III does not display the totals even if they are enabled VIEW LOGGED DATA DD MM YY HH MM SS off Both Total Total 5 If you want to view the log prior to downloading it you can do so using the View log as text or View log as graph options When you are ready to begin downloading the log select Download log From the DOWNLOAD LOG screen select USB or RS232 then select Send from the subsequent confirmation screen DOWNLOAD LOG DD MM YY HH MM SS Select Serial port or printer amp press 8 The selected logged data is now downloaded to the PC 9 Upon completion select Exit to return to the VIEW
54. in FLOW READING mode check that the indicated flow units are the same as those you want to appear on the logger output e g gal min Press the Logger function key to access the REAL TIME LOGGER screen Select Log data to andchoose Memory to store the log to the instrument s internal memory Select Logging interval and enter the required period e g 10 seconds Select Clear log if you want to discard any existing logging data Select START NOW This screen appears only if a log already exists for the QuickStart site It allows you to either delete or save the existing log or cancel the START NOW request REAL TIME LOGGER Logging to Memory Unit Log name Log data to Logging interval Start date amp time Stop date amp time Remaining time Memory Rollover Graph Y axis max View log as text View log as graph START NOW Set Auto start Clear log Exit ERR Log not empty Key Point To view the totals on the screen and send them to the RS232 USB output as they are logged you have to select the required option in the Data Logger menu before setting up the flow reading DD MM YY HH MM SS gal min Quickstart Memory 10 seconds dd mm yy hh mm ss dd mm yy hh mm ss MM DD HH MM SS mm dd hh mm ss Overwrite 50 DD MM YY HH MM SS Press to confirm deletion Press A to save log and continue Press V to cancel U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 39
55. instrument where relatively large pipes are concerned In this mode the transducers are located on opposite sides of the pipe but the separation distance is still critical in order for the signals to be received correctly Fluid flow T x This mode can be used with the standard A amp B transducer sets but for really large N pipe installations the optional transducer set D eZ LNO T LFP might be recommended Figure 1 1 Operating modes When 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 to travel the same distance but in opposite directions is therefore directly proportional to the flow velocity of the liquid 2 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 1 General Description micronics The U3000 U4000 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 instrument s 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 syst
56. ired position of the transducers on the pipe in order to determine where to attach the transducer guide rails 1 Obtain and note the required separation distance between the transducers using the Quickstart menu as described in Paragraph 3 2 14 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 ow lt 2 2 Installation micronics C Separation Distance HINT An easy way to draw a perpendicular circumference around a large pipe is to wrap a length of material such as chart paper around the pipe aligning the edges of the paper precisely at the overlap With the edge of the chart paper being parallel either edge describes a circumference around the pipe that is perpendicular to the pipe axis Mark the chart paper exactly where it overlaps Then after removing the paper from the pipe fold the measured length in half keeping the edges parallel The fold line now marks a distance exactly half way around the pipe Put the paper back on the pipe and use the fold line to mark the opposite side of the pipe Figure 2 13 Transducer mounting for diagonal mode of operation 2 Using whatever means available mark a reference line around the circumference of the pipe approximately where the upstream transducer is to be fitted line A in Figure 2 13 3 Online A mark a position point X on an axis of approximately 45 from the top of the pipe and draw a three foot line B pe
57. irtual com port to be installed on the computer The necessary driver can be provided by Micronics or downloaded from http www ftdichip com Drivers VCP htm 1 Access the above url and download the driver for your particular operating system The download takes the form of a zip file Extract all the files from the zip file into a folder and note its location e g Desktop USBDriver Switch ON the U4000 instrument and connect it to the USB port on the PC A New device found message will appear and ask you for the location of the software installation files for the new device Use the Browse button to select the path to the unzipped driver files and then click OK Follow the on screen instructions to install the driver At the end of the driver installation routine you must carry out a minor configuration change to the newly installed virtual com port The way in which you gain access to the com port set up window will vary depending on your operating system The following example applies to Windows XP Select Control Panel gt System to open the SYSTEM PROPERTIES window Click the Device Manager button to open the DEVICE MANAGER window 10 Scroll down to the Ports region and you will find the new FDTI port installed e g USB Serial Port with a high port number 11 Right click on the com port and select Properties 12 From the PROPERTIES window select the Port Settings tab then click the Advanced button The ADVANCED SETTINGS
58. locity profile over a full 360 is unattainable due to the presence of air turbulence at the top of the flow and possibly sludge in the bottom of the pipe Experience has shown that the most consistently accurate results are achieved when the transducer guide rails are mounted at 45 with respect to the top of the pipe iagonal Mode D Reflex Mode Air Guide Rail Guide Rail 1 AW III Possible sludge SSS III Guide Rail 2 Note when using the U3000 U4000 in the diagonal mode an additional guide rail and fixing kit is required Figure 2 4 Guide rail attachment reflex vs diagonal mode 11 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 2 Installation micronics 2 3 2 Transducer attachment Thumb screw Nylon Flag 1 RI jam a Transducer a 4 AEE Upstream Downstream Cable Connector Rectangular transducer transducer opening Stainless steel bands Figure 2 5 Transducer attachment completed assembly Type A or B transducers are attached to the pipe using the adjustable guide rail assembly shown in Figure 2 5 The guide rail itself is secured to the pipe using two wrap around steel bands For user convenience an imperial ruler inches is etched on the top side plate and a metric millimetres ruler is etched on the bottom side plate as shown in Figure 2 5 Once the guide
59. lowed choices can be brought into view by continuing to scroll DOWN past the bottom visible item Menus generally loop around if you scroll beyond the first or last items If you select Exit on any menu it usually takes you back 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 1 4 3 Power supply Mains supply As standard the instrument is designed to work with a mains supply of 86 236V and 50 60Hz A mains supply fuse is located adjacent to the mains power connection see Figure 2 3 24V Supply An alternative 24V a c d c power supply module is available as a factory distributor fitted option Power failure The instrument will automatically power up and become operational when the input power is applied In the event of a power failure the instrument s configuration parameters are stored in non volatile memory which then allows the instrument to return to normal operation immediately power is restored On the U4000 a real time clock RTC r
60. more accurate result Continue as follows 3 Press the Options key to access the FLOW READING OPTION screen shown FLOW READING OPTION DD MM YY HH MM SS 4 SelectSet zero flow m s and press Data review ENTER Zero Cutoff m s 0 010 5 Press ENTER on the subsequent screen to E Ons accept the change which will return you to the Totaliser Run screen shown Reset Total 6 Scroll down to select Exit and press ENTER to return to the FLOW READING screen Start Any value that you trim out using the offset adjustment will be added P Key Point In order to cancel any applied offset you must read the flow via Quick subtracted from the flow reading across the whole range 3 3 3 Adjusting the calibration factor P Key Point USE THIS FACILITY WITH CARE amp ONLY WHERE NECESSARY The instrument is fully calibrated before leaving the factory and under normal cir cumstances 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 totaliser facility and zero it Paragraph 3 5 2 Run the totaliser to measure the total flow over a 30 60 minute period and note the total flow indicated by the refere
61. n 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 5 PULSE ERRORS ERR Pulse output 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 4 2 ERR Pulse volume Interpretation You have entered an out of range value inthe Pulse volume error field inthe PULSE OUTPUT menu see Paragraph 3 4 2 Response Enter a valid number ERR Pulse width Interpretation You have entered an out of range value inthe Pulse width error field in the PULSE OUTPUT menu see Paragraph 3 4 2 Response Enter a valid number U3000 U4000 User Manual Issue 4 0 55 Software Ver 02 08 011 6 Troubleshooting 8 MICZFONIES 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 4 1 Calibration 4mA Error NOTE The 4 20mA output is calibrated before the instrument leaves the factory and should not require further adjustment Interpr
62. nce flow meter over the same period 3 Calculate the error between the U3000 U4000 instrument and reference meters If the error is greater than 1 calibrate the U3000 U4000 as detailed below 26 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 4 Pressthe Options key to access the FLOW READING OPTION screen shown 5 Scroll down and select Calibration factor then press ENTER 6 Change the calibration factor according to the error calculated in step 3 For example if the instrument was reading 1 high then increase the Calibration factor value by 0 010 Conversely if the 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 and press ENTER 3 3 4 Adjusting the roughness factor FLOW READING OPTION 3 Operating Procedures Data review Zero Cutoff m s Set zero flow m s Damping secs Totaliser Reset Total Reset Total Calibration factor Roughness factor Alarm Settings Max Pulse Freq Hz Flow at Max Frequency Calculated Pulse Value Diagnostics Select Totals Exit DD MM YY HH MM SS 0 010 0 000 10 Run 1 000 0 010 10 00 200 00 2 00 Total 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
63. nual Issue 4 0 49 Software Ver 02 08 011 4 Data Logging amp Communications U4000 8 MICZFONIES 50 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 5 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 disconnected from the mains then wipe the exterior of the instrument with a clean damp cloth or paper towel Do not use a solvent based cleaning fluid on the instrument as it could damage the instrument surface 2 Ensure all cables and connectors are kept clean and free from grease or contaminants Connectors may be cleaned with a general purpose cleaner if necessary 3 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 4 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
64. o cable glands on the right hand side of the instrument below the power connection terminals using the gland most suitable for the cable diameter 2 Cut the wires to length strip back the insulation by approximately 10mm and connected to them into the correct power supply terminals identified in Figure 2 1 On completion tighten the cable glands to ensure the cables are held securely Refit the terminal block cover 2 3 Installing the Ultrasonic Transducers 2 3 1 Transducer positioning 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 10 times the pipe diameter on the downstream side as shown in Figure 2 3 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 P close to any obstructions that distort the uniformity of the flow profile Mic
65. of up to 328 feet can be provided consult Micronics Ltd for further information and availability A suitable mains supply must be available to power the instrument an optional 24V a c d c supply module is available The external supply must be suitably protected and connected via an identifiable isolator A 500mA fuse is fitted internally in the instrument s input supply line U3000 U4000 User Manual Issue 4 0 7 Software Ver 02 08 011 2 Installation 2 2 2 Mounting the instrument Ideally the U3000 U4000 enclosure should be fixed to a wall using three screws see Figure 2 3 1 Remove the U3000 U4000 terminal cover 2 Fix a screw into the wall at the required point to align with the mounting keyhole on the back of the enclosure 3 Attach the enclosure to the wall using the keyhole screw mounting 4 Align the enclosure then mark out the positions for the two remaining screw fixings through the slots near the bottom corners of the enclosure Then remove the enclosure and drill and plug the fixing points 5 Clear the site of any dust debris then mount the enclosure on the wall Keyhole Mounting Details The instrument should be securely wall mounted using the three fixing points shown Cable connections All power and control cables enter through cable glands located on the bottom of the instrument and connect to terminal blocks as shown pu Dante Maen Han Hann p ren
66. ogging progress at any time while you are operating in FLOW READING mode without interfering with the logging operation 1 VIEW LOG AS TEXT Logging to memory Log Quickstart Date Time DD MM YY hh mm DD MM YY hh mm DD MM YY hh mm DD MM YY hh mm DD MM YY REAL TIME LOGGER Logging to Memory Unit Log name Log data to Logging interval Start date amp time Stop date amp time Remaining time Memory Rollover Graph Y axis max View log as text View log as graph START NOW Set Auto start Clear log Exit VIEW LOG AS GRAPH 50 00 Log Quickstart Point XXX XXX Value xx xx dd mm yy hh mm ss 50 00 8 micronics DD MM YY HH MM SS gal min Flow XXX XX XXX XX XXX XX XXX XX Key Point There can be only one set of logged data per site If a new data log is started on a site it will clear the existing data DD MM YY HH MM SS gal min Quickstart Memory 10 seconds dd mm yy hh mm ss dd mm yy hh mm ss MM DD HH MM SS mm dd hh mm ss Overwrite 50 DD MM YY HH MM SS Press the Logger function key as described above to switch to the REAL TIME LOGGER screen 40 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 8 4 Data Logging amp Communications U4000 micronics 2 Select View log as textorView log as graph as required Key Point To ensure that logging and flow readings continue under all circumstances the display must be returned to the FLO
67. osed inadvertently U3000 U4000 User Manual Issue 4 0 53 Software Ver 02 08 011 6 Troubleshooting 8 micronics 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 e Flashover liquid turns into a gas because of lower than required pressure 6 2 General Troubleshooting Procedure Loss of power supply Confirm power supply availability note if using 24V power supply the internal fuse should reset when power is removed Yes Is the display blank No Turn instrument OFF ON s the display scrambled or hung up Yes If the display is still scrambled hung up return the instrument for repair 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 that the transducer cables are connected Ensure the temperature is set correctly correctly Problem probably due to non constant fluid flow Check the following Ensure that sufficient acoustic couplant has been applied to the transducers Ensure transducers are positioned in accordance with the recommended distance from bends etc the pipe data has been entered correctly the fluid type has been ente
68. put The cable screen should be connected to the RS232 GND terminal U3000 U4000 User Manual Issue 4 0 29 Software Ver 02 08 011 3 Operating Procedures 8 micronics How to turn the 4 20mA output OFF ON 1 With the instrument operating in the FLOW READING mode press the 4 20mA function i He oe he ag DD MM YY HH MM SS en access the 4 20mA OUTPUT mA Output Reading 9 00 i Output Range 4 20 2 The ON OFF status of the 4 20mA output is Units gal min shown on line 2 of the display Flow at max output 0 00 Flow at min output 5 0 00 3 To change the ON OFF status select Output Output mA for error 22 00 Range and press ENTER 4 Select Off to turn OFF the 4 20mA Output or select one of the output ranges to turn it ON 4 20 mA OUTPUT DD MM YY HH MM SS 5 Press ENTER to return to the 4 20mA OUTPUT off screen 4 20mA 0 20mA 0 16mA 4 20mA Signal calibration and ranging require further adjustment In the rare event that re calibration is necessary this P Key Point The 4 20mA output has been calibrated in the factory and should not procedure should be carried out only by a trained engineer This procedure describes how to calibrate the 4 20mA output and scale it to cover a defined flow rate range Signal calibration 6 Select Setup Instrument from the MAIN MENU then press ENTER to access the SETUP SETUP INSTRUMENT DD MM YY HH MM SS RUMEN screen Set Date amp Time dd mm yy hh mm ss 7 Select
69. rates from Mains 24Va c or 24Vd c U4000 additional standard features 200k stored data points Logging of Flows and Volume totals e RS232 and USB output Volumetric flow rates are displayed in I h l min l sec gal min gal h USgals min USgals h Barrel h Barrel day m s m min m 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 U3000 U4000 applications include Sea or River water Potable water Demineralised water Treated water Both the U3000 and U4000 have A and B model options which refer to the transducer type provided Thus a U3000A will be supplied with type A transducers which are designed to work with pipe diameters between 0 5 inches and 4 5 inches whereas a U4000B will be supplied with type B transducers which are designed to work with pipe diameters between 2 inches and 79 inches Both sets of transducers use a common mounting system U3000 U4000 User Manual Issue 4 0 1 Software Ver 02 08 011 1 General Description micronics for pipe attachment Throughout this m
70. red correctly If triple reflex mode is selected try selecting Ensure flow velocity gt 0 01m s double or single reflex instead the correct transducer type has been selected the pipe diameter is within specifications of the selected transducers the pipe is completely full the pipe surface is not corroded or protective surface loose no particles in the fluid Figure 6 1 Troubleshooting chart 54 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 6 Troubleshooting 6 3 Warning and Status Messages FLOW RATE ERRORS ERR No flow signal Interpretation This message appears when the transducers cannot send or receive signals to each other 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 ERR Zero cut off Interpretation You have entered an out of range value inthe Zero cutoff field in the Options menu Response Enter a valid number Totaliser beyond maximum Interpretatio
71. rm To re arm the alarm you must ensure that the off Ne Be Low activation condition is removed and then Hi N igh reconfigure the Alarm Mode as described Volume above on page 33 On Flow Error Alarm Test U3000 U4000 User Manual Issue 4 0 35 Software Ver 02 08 011 3 Operating Procedures 3 5 How to Measure Totalised 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 READING OPTION screen shown FLOW READING OPTION DD MM YY HH MM SS 2 Ifthe Totaliser is indicating Run select it Data review and change it to Stall Press ENTER Zero Cutoff m s i 0 010 Set zero flow m s 0 000 Select Reset Total and press ENTER Damping secs 19 Press ENTER on the subsequent screen to Totaliser Stall accept the reset Reset Total 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 accept the reset Zero Cutoff m s 0 00 8 Press ENTER again
72. ronics limited accepts no responsibility or liability if product has not been installed in accordance with the installation instructions applicable to the product Preparation Before you attach the transducers you should first ensure that the proposed location satisfies the distance requirements shown in Figure 2 3 otherwise the resulting accuracy of the flow readings may be affected 10 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 Installation 2 6 U E 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 transducers is an important factor in achieving a good ultrasound signal strength and therefore maximum accuracy The U3000 U4000 equipment expects a uniform flow profile as a distorted flow will produce unpredictable measurement errors Flow profile distortions can result from upstream tees valves pumps and other similar obstructions y disturbances such as bends Distorted Flow Profile Uniform Flow Profile Distorted Flow Profile Valid transducer location To ensure a uniform profile the transducers must be mounted far enough away from any cause of distortion Flow Figure 2 3 Locating the transducers for example In many applications an even flow ve
73. rpendicular to A and parallel to the pipe axis On line A mark a position point Y 180 opposite point X From point Y draw a three foot long line C perpendicular to A and parallel to the pipe axis This is shown as a dashed line in Figure 2 13 as it is on the rear of the pipe 6 Mark a position point Z on line C which is equal to the transducer separation distance noted in step 1 from point Y U3000 U4000 User Manual Issue 4 0 15 Software Ver 02 08 011 2 Installation 8 micronics 7 Position and attach the upstream guide rail to the pipe such that line B runs centrally along the length of the guide rail and point X is within the transducer attachment part of the guide 8 Fit the upstream transducer red cable to the guide rail as described in Paragraph 2 3 4 such that the leading face of the transducer aligns with line A 9 Position and attach the downstream guide rail to the pipe such that line C runs centrally along the length of the guide rail and point Z is within the transducer attachment part of the guide 10 Fit the downstream transducer blue cable to the guide rail as described in Paragraph 2 3 4 such that the leading face of the transducer aligns with point Z 11 Connect the transducer cables to the U3000 U4000 instrument 2 4 Installing the USB Virtual Com Port U4000 only The USB connection requires a v
74. rt menu as described in Paragraph 3 2 10 Finally lock the thumb screws in position by fitting the two locknuts supplied 11 Ensure the transducer signal cables are correctly connected to the U3000 U4000 instrument i e with the RED cable is connected to the upstream transducer connector and the BLUE cable to the downstream transducer connector Figure 2 10 Calculated Separation _ Distance on ruler scale Figure 2 11 Figure 2 12 2 3 5 Transducer attachment diagonal mode This mode of operation requires two transducer guide rails fitted on opposite sides of the pipe as shown in Figure 2 13 notice that the guide rails are still fitted on a 45 axis with respect to the top of the pipe When used with type A or B transducers the guide rails used are identical to that shown above and the second guide rail and fixings must be purchased as an option kit it is necessary to purchase the type D transducer kit which contains the transducers P Key Point For installations on larger pipes in the range 2000mm 5000mm O D together with their particular mounting rails and fitting instructions When installing the equipment to operate in the diagonal mode the method of securing the transducers to the guide rails and connecting them to the U3000 U4000 instrument is identical to that described above for the reflex mode The major difference is that you have to physically mark out the requ
75. tarting point for all the operations described in this chapter Under normal operating conditions this screen is accessed from the FLOW READING screen by pressing the ENTER key Setting the date amp time U4000 only 5 Select Setup Instrument from the MAIN MENU and press ENTER The SETUP INSTRUMENT screen should now be displayed Select Set Date amp Time and press ENTER A flashing cursor should appear under the first date number Enter the date sequence in dd mm yy order then press ENTER Repeat this action to set the time UAOOO mcroncs Serial 0012345 V 00 00 000 Please wait MAIN MENU DD MM YY HH MM SS Quick start View Edit Site Data Data Logger Setup RS232 USB Setup Instrument Read flow SETUP INSTRUMENT DD MM YY HH MM SS Set Date amp Time Calibrate 4 20mA Factory settings Change Language Exit dd mm yy hh mm ss Select Exit then press ENTER to return to the MAIN MENU 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 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 3 Operating Procedures Note On the U3000 model the Set Date amp Time option is not available and t
76. to return to the FLOW Set zero flow m s 0 00 Dampi 1 READING OPTIONS menu Ha ata l rn 9 Note and record the current time Reset Total Reset Total 10 Select Totaliser and change itto Run Press ENTER Note the totalisers begin to count up as soon as Totaliser is setto Run 11 Scroll down and select Exit to return to the FLOW READING screen which will now indicate FLOW READING DD MM YY HH MM SS the instantaneous flow together with the Qxx xx Signal totalised flow u gal min Note that in some installations the measured flow can be in either direction Where this is the Total 300 0 gallons case the upstream flow is shown separately in Total 0 00 gallons 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 hour or whatever units you select Note that in a bi directional flow situation you must calculate 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 you want to stop the totaliser temporarily for operational reasons 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 36 U3000 U4000 User Man
77. ual Issue 4 0 Software Ver 02 08 011 8 3 Operating Procedures micronics 3 6 Display of totalisers 1 To change the display of the totalisers select FLOW READING OPTIOG DD MM YY HH MM SS the Select Totals menu item from the FLOW READING OPTION menu Off Both 2 The display of the totals on the FLOW Total READING screen is controlled by this menu Total 3 Select one both or no totals to be displayed The default is the display of the Total 4 Press the ENTER key Note This menu selection only affects the Display of the totaliser Unless the totalisers are stalled the recorded volume will still be incremented and the totals will be logged irrespective of the display setting U3000 U4000 User Manual Issue 4 0 37 Software Ver 02 08 011 3 Operating Procedures 8 MICFONIES 38 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 4 Data Logging amp Communications U4000 4 1 How to Set Up the Basic Logging Application to Memory This procedure shows you how to set up a basic logging session under manual start stop control Logged data is saved to the instrument s memory and can be down loaded to a PC at a later time Either Flow Rate or Flow Rate and Totals can be logged to Memory RS232 or both Totals are always logged and can be selectively downloaded after the logging has stopped P Setting up and starting the logging 1 With the U4000 operating
78. ual Issue 4 0 65 Software Ver 02 08 011 8 MICZFONIES 66 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011
79. window should open similar to that shown below 13 Inthe BM Options area change the Latency Timer value from 16 msec default to 1 msec 14 Select OK to implement the change and then close the remaining windows that were opened 15 Your computer should now be able to communicate with the U4000 instrument via the USB port in the same way as any other standard USB device 16 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 oe 2 Installation micronics Figure 2 14 Com Port configuration U3000 U4000 User Manual Issue 4 0 17 Software Ver 02 08 011 2 Installation _8 MICFONICES 18 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 3 Operating Procedures Set date time Language QUICK START Enter data Attach sensors FLOW READING How to adjust the Zero Flow Offset Paragraph 3 3 2 How to adjust the Calibration Factor Paragraph 3 3 3 How to adjust the Roughness Factor Paragraph 3 3 4 How to adjust the Damping Factor Paragraph 3 3 5 How to measure totalised flows Paragraph 3 5 How to set up basic manual logging Paragraph 4 1 How to set up auto timed logging Paragraph 4 2 How to set up logging live to a PC Paragraph 4 3 How to Log directly to both Memory and PC Paragraph 4 4 How to download saved data to a PC Paragraph 4 5 How to print data Paragraph 4 7 How to use with Calec ST Energy Totaliser Paragraph 4 8
80. y Two cable glands on the bottom right hand side of the instrument are available for the power supply cable Two sizes of glands are provided to accept cables of different diameters 1 4 2 Keypad The instrument is configured and controlled via a 15 key tactile membrane keypad as shown in Figure 1 4 U3000 Keypad Scroll UP ENTER SELECT Scroll DOWN pam gop a Scroll LEFT Scroll RIGHT Numerical keypad with dual function keys U4000 Keypad Scroll UP ENTER SELECT Scroll DOWN Scroll LEFT Scroll RIGHT Figure 1 4 U3000 U4000 Keypad U3000 U4000 User Manual Issue 4 0 5 Software Ver 02 08 011 1 General Description micronics Menus and the menu selection keys Note As a security measure once the instrument has been set up for the first time a password is required to gain subsequent access to the operating menus see page 24 The U3000 U4000 menus are arranged hierarchally with the MAIN MENU being at the top level Menu navigation is achieved by three keys located 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 overf
81. y to begin printing the log Clear log select Download log 4 From the DOWNLOAD LOG screen select RS232 This will open the SETUP RS232 USB DOWNLOAD LOG DD MM YY HH MM SS screen shown below Select Serial port or printer amp press USB RS232 Exit 5 Select Send from the DOWNLOAD LOG screen The printer should now start printing DOWNLOAD LOG DD MM YY HH MM SS 6 The message screen will be displayed while printing takes place see next screen Send Exit 7 Printing will continue until all logged data is eulpubor until ihe key is pressed SETUP RS232 USB DD MM YY HH MM SS Data is being downloaded on RS232 The printer will continue printing until its print buffer is empty which may take a few minutes This screen will clear when download is completed Press to cancel Download 46 U3000 U4000 User Manual Issue 4 0 Software Ver 02 08 011 4 Data Logging amp Communications U4000 micronics 4 8 Operation with the Calec ST Energy Totaliser The U3000 U4000 can be operated with the Calec ST Energy Totaliser which allows accumulated Energy measurement to be made In this configuration one Pt100 or Pt500 temperature sensor is fitted to the output pipe hot side and another to the return pipe cold side The temperature difference AT Thot Tcold measured by the Calec ST Energy Totaliser together with the pulse input from the U3000 U4000 allows the Calec ST Energy Tot

User Manual - Clamp On Flow Meters

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