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16 Advanced functions
16.3 Cut-off flow

FLUXUS F502TE

2020-05-29, UMFLUXUS_F502TEV1-5EN

112

16.3

Cut-off flow

The cut-off flow is a lower limit for the flow velocity. All measured flow velocities that are lower than the limit and their

derived quantities are set to zero.
The cut-off flow can depend on the flow direction. The cut-off flow is set in the menu item

Special Funct.\

SYSTEM settings\Measuring\Cut-off Flow

• Select

sign

to define a cut-off flow depending on the flow direction. One limit is set for the positive and another for the

negative flow velocity.

• Select

absolut

to define a cut-off flow not depending on the flow direction. A limit is set for the absolute value of the

flow velocity.

• Press ENTER.
• Select

factory

to use the default limit of 2.5 cm/s (0.025 m/s) for the cut-off flow.

• Select

user

to enter the cut-off flow.

• Press ENTER.
If

Cut-off Flow\sign

and

user

are selected, 2 values have to be entered:

• Enter the cut-off flow.
• Press ENTER.
All positive values of the flow velocity below this limit are set to zero.

• Enter the cut-off flow.
• Press ENTER.
All negative values of the flow velocity above this limit will be set to zero.
If

Cut-off Flow\absolut

and

user

are selected, only one value has to be entered:

• Enter the cut-off flow.
• Press ENTER.
All absolute values of the flow velocity below this limit are set to zero.

Special Funct.\SYSTEM settings\Measuring\Cut-off Flow

Special Funct.\...\+Cut-off Flow

Special Funct.\...\-Cut-off Flow

Special Funct.\...\Cut-off Flow

Содержание FLUXUS F502BT

Страница 1: ...FLUXUS F502TE UMFLUXUS_F502TEV1 5EN Operating instruction...

Страница 2: ...60 Fax 49 30 936 67 680 E mail info flexim com www flexim com FLUXUS is a registered trademark of FLEXIM GmbH Operating instruction for FLUXUS F502TE UMFLUXUS_F502TEV1 5EN 2020 05 29 Article number 21...

Страница 3: ...2 Measurement arrangements 13 3 3 Acoustic penetration 15 3 4 Undisturbed flow profile 16 4 Product description 18 4 1 Measuring system 18 4 2 Handling concept 19 4 3 Navigation 20 4 4 Keyboard 21 5 T...

Страница 4: ...10 7 Problems during the thermal energy rate measurement 94 11 Maintenance and cleaning 95 11 1 Maintenance 95 11 2 Cleaning 96 11 3 Calibration 96 12 Dismounting and disposal 97 12 1 Dismounting 97 1...

Страница 5: ...ication 123 17 4 Upper limit of the sound speed 124 17 5 Detection of long measurement failures 125 17 6 Number of decimal places of the totalizers 125 17 7 Temperature based thermal energy rate cut o...

Страница 6: ...Table of contents FLUXUS F502TE 2020 05 29 UMFLUXUSF502TEV1 5EN 6...

Страница 7: ...n or miss information please inform us We will be grateful for any suggestions and comments regarding the concept and your experience when working with the measuring equipment If you have any suggesti...

Страница 8: ...d the pipe are measured and evaluated The transmitter uses these values to calculate the sought quantities e g volumetric flow rate and mass flow rate Through comparison with the values stored in the...

Страница 9: ...checks for changes or damages that can present a danger For further information contact FLEXIM Observe the specifications for the installation and connection of the transmitter transducers and access...

Страница 10: ...transport Use if possible the original packaging by FLEXIM or an equivalent cardboard box Position the transmitter transducers and accessories in the middle of the cardboard box Fill any voids with a...

Страница 11: ...sound speed depends on the mechanical properties of the fluid or the pipe material In pipe materials and other solid materials a distinction is made between the longitudinal and transversal sound spe...

Страница 12: ...low direction The transit time difference is proportional to the average flow velocity The average flow velocity of the fluid is calculated as follows v kRe ka where v average flow velocity of the flu...

Страница 13: ...Beam The path covered by the ultrasonic signal between the transducers i e the transducer emitting the ultrasonic signal and the transducer receiving it One beam consists of 1 or several sound paths...

Страница 14: ...ducers Sound beam plane plane containing sound paths or beams 3 2 2 Examples reflection arrangement diagonal arrangement positive transducer distance diagonal arrangement negative transducer distance...

Страница 15: ...suring point Horizontal pipe Select a measuring point where the transducers can be mounted laterally on the pipe allowing the sound waves to propa gate horizontally in the pipe Thus solids on the bott...

Страница 16: ...profile in the pipe is fully developed However measuring results can be obtained even if the recommended distance to disturbances cannot be met for practical reasons no ideal inflow see section 16 4 T...

Страница 17: ...ource valve inlet l 40 D outlet l 5 D disturbance source reducer inlet l 10 D outlet l 5 D disturbance source pump inlet l 20 D Tab 3 1 Recommended distance from disturbance sources D nominal pipe dia...

Страница 18: ...see Fig 4 1 The transducers are mounted on the outside of the pipe They send and receive ultrasonic signals through the fluid The transmitter controls the measuring cycle eliminates noise signals and...

Страница 19: ...temperature inputs 5 outputs 6 power supply 7 transducer module socket 8 RS232 service interface 9 front plate Tab 4 1 Description of the program branches program branch description Parameter Before...

Страница 20: ...brackets and capital letters Press and to scroll and select a list item in the lower line Press ENTER Some menu items contain a horizontal scroll list in the upper line The selected list item is displ...

Страница 21: ...urn to the main menu Be careful not to stop a current measurement by inadvertently pressing BRK Tab 4 3 Navigation scroll to the right or up through a scroll list scroll to the left or down through a...

Страница 22: ...ackaging the transmitter can fall down There is a danger of crushing body parts or damaging the measuring equipment Secure the transmitter against falling during packaging Wear the required personal p...

Страница 23: ...or material damage or dangerous situations Any work on the transmitter has to be carried out by authorized and qualified personnel Caution Safety and accident prevention regulations for electrical sys...

Страница 24: ...ing kit is fixed to the pipe using a shackle see Fig 6 3 Fix the pipe mounting plate 2 and the instrument mounting plate 3 to the pipe using the nuts 4 and the shackle 1 Use the screws to fix the tran...

Страница 25: ...mounting plate 2 Fix the pipe mounting plate and the instrument mounting plate to the pipe using the tension straps Use the screws to fix the transmitter to the instrument mounting plate Caution The...

Страница 26: ...the pipe Make sure the pipe surface at the selected measuring point is even Select the location of the transmitter within the transducer cable range The ambient temperature at the measuring point has...

Страница 27: ...nner pipe wall or with strongly attenuating gases or liquids only 1 sound path smaller flow velocity and sound speed range compared to the diagonal arrangement transverse flow effects are compensated...

Страница 28: ...form an arrow see Fig 6 5 The transducer cables show in opposite directions The transducer distance is measured between the inner edges of the transducers Select the installation instructions that cor...

Страница 29: ...2 Transducer arrangement The transducers can be arranged in the mounting rails in different ways Fig 6 6 Transducer arrangement in mounting rails reflection arrangement 1 rail reflection arrangement 2...

Страница 30: ...05 29 UMFLUXUS_F502TEV1 5EN 30 6 2 2 3 Mounting with Variofix L PermaRail Scope of delivery 2 Variofix L 1 transducer pair 4 quick release clasp with tension strap or 4 band clamp clasp with tension s...

Страница 31: ...nting fixtures in reflection arrangement is described 1 transducer mounting fixture for each transducer Overview of the mounting steps step 1 disassembly of the transducer mounting fixture Variofix L...

Страница 32: ...ion instructions according to the supplied clasp Band clamp clasp The clasp is fixed to the tension strap see Fig 6 10 Quick release clasp The clasp is fixed to the tension strap see Fig 6 11 Cut the...

Страница 33: ...e installation instructions according to the supplied clasp Band clamp clasp Insert the tension strap into the tension strap clamp see Fig 6 14 Position the clasp and the tension strap clamp on the pi...

Страница 34: ...an outer pipe diameter 80 mm pipes that are not subjected to significant temperature fluctuations Position the ratchet clasp tension strap clamp and metal spring if necessary on the pipe see Fig 6 13...

Страница 35: ...sion strap clamp 1 see Fig 6 20 Tighten the nut of tension strap clamp 1 but not too firmly in order not to damage the tension strap Notice In order to release the screw and the tension strap press th...

Страница 36: ...ion strap see Fig 6 21 Quick release clasp Insert the tension strap into the tension strap clamp 2 and the metal spring see Fig 6 23 and Fig 6 21 Place the tension strap around the pipe and insert it...

Страница 37: ...rough the slot of the clasp screw see Fig 6 25 Tighten the tension strap Cut off the protruding tension strap see Fig 6 25 Tighten the clasp screw Tighten the nut of the tension strap clamp 2 but not...

Страница 38: ...lief clamp to protect them from mechanical strain see Fig 6 28 Stick coupling foil or apply some coupling compound for a short term installation on the contact surface of the transducers The coupling...

Страница 39: ...clamp 3 equipotential bonding terminal a transducer distance Notice Make sure that the coupling foil remains on the contact surface of the transducers For information concerning the coupling foil see...

Страница 40: ...hrough parts 2 and 1 of the clasp see Fig 6 30 Tighten the tension strap and engage it in the inner hook of the clasp Tighten the screw of the clasp Fix the second transducer shoe in the same way Adju...

Страница 41: ...ig 6 34 Place the tension strap around the transducer and the pipe Place the tension strap around the pipe and insert it into the clasp The clasp has to seat solidly on the pipe Tighten the tension st...

Страница 42: ...clasp see section 6 3 2 3 6 3 2 1 Installation with clasp Cut the tension strap to length pipe circumference at least 120 mm Make sure that part 2 of the clasp is on top of part 1 see Fig 6 35 a The h...

Страница 43: ...ure probe on the pipe see Fig 6 36 Place the tension strap around the temperature probe and the pipe Insert the tension strap through the parts 2 and 1 of the clasp Pull the tension strap firmly and e...

Страница 44: ...clasp 6 3 3 Installation of the inline temperature probe Screw the thermowell into the thread at the measuring point of the pipe see Fig 6 40 Seal the screw connection Insert the inline temperature pr...

Страница 45: ...2TE 6 3 Temperature probe 45 UMFLUXUS_F502TEV1 5EN 2020 05 29 Fig 6 40 Inline temperature probe inside the pipe 1 connection of the transmitter 2 cable gland 3 cover 4 threaded thermowell 5 clamping n...

Страница 46: ...an led to severe injuries The measuring instrument can be damaged Prior to any work on the transmitter e g installation dismounting connection start up the transmitter has to be disconnected from the...

Страница 47: ...ew the sealing ring side of the basic part into the transmitter housing Insert the transducer cable into the housing Fix the cable gland by screwing the cap nut onto the basic part Connect the transdu...

Страница 48: ...ucer cable to the terminals of the transmitter see Fig 7 3 and Tab 7 2 Fig 7 3 Connection of the transducer cable with plastic jacket and stripped ends to the transmitter 1 cap nut 2 compression part...

Страница 49: ...w the sealing ring side of the basic part into the transmitter housing Insert the extension cable into the housing Fix the cable gland by screwing the cap nut onto the basic part Connect the extension...

Страница 50: ...by tightening the cable gland Connect the transducer cable to the terminals of the junction box see Fig 7 6 and Tab 7 4 Fig 7 5 Connection of the extension cable to the transmitter 1 cap nut 2 compre...

Страница 51: ...cable Open the cable gland of the extension cable The compression part remains in the cap nut Push the extension cable through the cap nut and the compression part Prepare the extension cable Shorten...

Страница 52: ...ed cable internal shield TRS brown cable internal shield TR brown cable core cable gland external shield Fig 7 7 Connection of the extension and transducer cable to the junction box 1 extension cable...

Страница 53: ...extension cable into the junction box Prepare the extension cable Cut the outer shield and brush it back Pull the extension cable back until the brushed back external shield is below the shield termi...

Страница 54: ...Connection of the extension and transducer cable to the junction box 1 extension cable 2 external shield 3 shield terminal 4 cap nut 5 compression part 6 basic part 7 connection of the extension cabl...

Страница 55: ...he transmitter from the power supply Insert the transducer module into the socket see Fig 7 9 Connect the transmitter to the power supply Enter all parameters of the program branch Parameter Start the...

Страница 56: ...e gland Insert the cable into the housing of the transmitter Screw the sealing ring side of the basic part into the transmitter housing Fix the cable gland by screwing the cap nut onto the basic part...

Страница 57: ...the outputs to the transmitter Tab 7 8 Output circuits output transmitter external circuit remark internal circuit connection active current output Rext 500 binary output optorelay circuit 1 Uext 28 V...

Страница 58: ...tor Tab 7 8 Output circuits output transmitter external circuit remark internal circuit connection The number type and the connections of the outputs depend on the order Rext is the sum of all ohmic r...

Страница 59: ...Pt1000 4 wire to the inputs of the transmitter optional see Fig 7 13 and Tab 7 9 Fig 7 13 Connection of the inputs to the transmitter 1 connection of the temperature probe Tab 7 9 Connection systems d...

Страница 60: ...with extension cable Remove the blind for the connection of the temperature probe see Fig 7 13 Open the cable gland of the extension cable The compression part remains in the cap nut see Fig 7 14 Pus...

Страница 61: ...r see Fig 7 13 and Tab 7 12 Connection of the extension cable to the junction box Remove the blind plug for the connection of the extension cable see Fig 7 17 Open the cable gland of the extension cab...

Страница 62: ...orten the external shield and brush it back over the compression part Screw the sealing ring side of the reducer into the junction box Screw the basic part into the reducer Insert the cable into the j...

Страница 63: ...ture probe Insert the cable through the cap nut the compression part and the basic part into the housing of the inline temperature probe Fix the cable gland by inserting the compression part into the...

Страница 64: ...into the transmitter housing Brush the shields of the inline temperature probe cables back over the compression part The shields and the basic part of the cable gland must have direct contact Fix the...

Страница 65: ...ed to the PC use the RS232 USB adapter The RS232 USB adapter and the RS232 cable are part of the serial data kit optional 7 5 2 Process interface RS485 The transmitter can also be equipped with a proc...

Страница 66: ...ed Select the temperature probe for the input T1 Press ENTER Warning Installation connection and start up by unauthorized and unqualified personnel This may result in personal or material damage or da...

Страница 67: ...temperature is to be read Press ENTER Select the input for reading the return temperature Select Fixed input val to enter a fixed value for the return temperature or No measuring if no return tempera...

Страница 68: ...yes to enter a HotCode Press ENTER Enter the HotCode Press ENTER The error message INVALID HOTCODE will be displayed if an invalid HotCode has been entered Press ENTER Select yes to enter the HotCode...

Страница 69: ...ted Release only ENTER Keep BRK and C pressed After the initialization has been executed the message INITIALISATION DONE is displayed After the initialization the remaining settings of the transmitter...

Страница 70: ...new to adjust it Press ENTER Select the character to be edited with Edit the selected character with Press ENTER The new date is displayed Select ok to confirm the date or new to adjust it again Pres...

Страница 71: ...T resistant EPROM In case of a power supply failure the measurement will be stopped All entered data remain stored After the power supply has returned the serial number is displayed in the lower line...

Страница 72: ...pipe wall thickness of 50 mm Warning Installation connection and start up by unauthorized and unqualified personnel This may result in personal or material damage or dangerous situations Any work on...

Страница 73: ...ot in the scroll list select Other Material Press ENTER Sound speed of the pipe material Enter the sound speed of the pipe material Press ENTER These displays will only be indicated if Other Material...

Страница 74: ...ughness of the inner pipe wall The roughness is used for the calculation of the profile correction factor In most cases the pipe roughness cannot be exactly determined and must therefore be estimated...

Страница 75: ...Enter the average sound speed of the fluid Press ENTER This display will only be indicated if Other Medium is selected Sound speed range of the fluid Select auto if the area around the average sound s...

Страница 76: ...ameter If transducers are identified at a measuring channel the input of parameters is finished Press ENTER The main menu will be displayed If no or special transducers are connected the transducer pa...

Страница 77: ...speed a scroll list with the available units of measurement is displayed The unit of measurement which was selected previously is displayed first Select the unit of measurement of the selected physica...

Страница 78: ...is output has already been installed Select yes to install or reconfigure the output Press ENTER Select no to uninstall the output and to return to the previous menu item in order to select another ou...

Страница 79: ...sitive and negative flow direction actual measure totalizer for the physical quantity selected in the program branch Output Options Flow flow totalizer Heatflow thermal energy rate totalizer Limit R1...

Страница 80: ...if there are solids in the fluid Select a list item for the error output see Tab 9 2 Press ENTER If Other value is selected enter an error value The value has to be within the output range Press ENTE...

Страница 81: ...s to be entered manually It has to be within the limits of the output Example source item output output range error delay volumetric flow rate current output 4 20 mA td 0 see section 9 2 5 and Tab 9 3...

Страница 82: ...functions correctly Select yes to repeat the test or no to return to the menu item SYSTEM settings Press ENTER 9 2 4 Activation of an analog output The measuring range of the source item has to be ent...

Страница 83: ...R Enter the highest expected measured value The unit of measurement of the source item will be displayed Full Scale Val is the value assigned to the value Output MAX of the output range Press ENTER Fu...

Страница 84: ...are not valid or incomplete the error message NO DATA will be displayed If the transmitter has an RS485 interface or the data logger is activated the measuring point number has to be entered Input of...

Страница 85: ...e is only one transducer pair at the measuring point inappropriate measurement arrangement The profile correction 2 0 at non ideal inflow conditions cannot be used The profile correction 2 0 at ideal...

Страница 86: ...a wide range for the sound speed has been entered in the program branch Parameter or the exact parameters of the fluid are unknown a consistency check is recommended The transducer distance can be di...

Страница 87: ...display 2 measured values at the same time one in each line of the display This does not affect totalizing storing of measured values transmission of measured values etc The following information can...

Страница 88: ...tes that the displayed value here flow velocity is not the selected physical quantity Status line Important information of the running measurement is summarized in the status line Quality and precisio...

Страница 89: ...und speed of the fluid The expected sound speed is calculated from the fluid parameters OK is equal to the expected value 20 of the expected value 20 of the expected value unknown cannot be measured R...

Страница 90: ...cers The fluid flows in the direction of the arrow if the displayed volumetric flow rate is positive e g 54 5 m h The fluid flows against the direction of the arrow if the displayed volumetric flow ra...

Страница 91: ...y does not work but all other functions are available The backlight is defective This problem has no influence on other functions of the display Send the transmitter to FLEXIM for repair The display i...

Страница 92: ...r line on the right indicates that the defined upper limit of the flow velocity is exceeded and therefore the measured values are marked as invalid The limit has to be adapted to the measuring conditi...

Страница 93: ...impossible if the value is 10 If the proportion is high but 10 a measurement is only conditionally possible 10 5 Significant deviations of the measured values A fluid with a wrong sound speed was sel...

Страница 94: ...asuring Quant wrapping The sum of both totalizers throughput transmitted via the output is no longer valid after the first overflow wrapping of one of the totalizers 10 7 Problems during the thermal e...

Страница 95: ...systems and equipment Failure to observe these regulations may lead to severe injuries Observe the safety and accident prevention regulations for electrical systems and equipment Caution Touching hot...

Страница 96: ...as recommended in an appropriate location used cautiously and serviced conscientiously no troubles should appear The transmitter has been calibrated at factory and usually a recalibration of the tran...

Страница 97: ...rc faults can led to severe injuries The measuring instrument can be damaged Prior to any work on the transmitter e g installation dismounting connection start up the transmitter has to be disconnecte...

Страница 98: ...tem in order to select another output Press ENTER Assignment of a source item One source item has to be assigned to each selected output Select the physical quantity source item to be transmitted to t...

Страница 99: ...value has to be high ohmic Select yes to repeat the test or no to return to the menu item SYSTEM settings Press ENTER Select Opto Relay ON in the scroll list Output Test to test the energized state o...

Страница 100: ...sonable value Enter the pulse value The unit of measurement will be displayed according to the actual physical quantity When the counted physical quantity reaches the entered pulse value a pulse will...

Страница 101: ...logger Select the program branch Output Options Press ENTER until Store Meas Data is displayed Select yes to activate the data logger or no to deactivate it Press ENTER 14 2 Setting of the storage ra...

Страница 102: ...ctivate the ringbuffer Press ENTER Storage mode Select the storage mode Press ENTER If sample is selected the current measured value will be used for the storing and online transmission of data If ave...

Страница 103: ...er Start the measurement Enter the number of the measuring point Press ENTER If the menu item Output Options Store Meas Data is activated and the menu item Special Funct SYSTEM settings Ringbuffer is...

Страница 104: ...ended to delete the old series of measured values before starting a measurement The type and the serial number of the transmitter are displayed in the upper line The remaining data logger capacity wil...

Страница 105: ...vailable the measurement data can be transmitted to a terminal program in ASCII format 15 2 1 Online transmission The measured values are transmitted during the measurement The data logger works indep...

Страница 106: ...r has an interface RS485 Transmitter settings Select the menu item Special Funct Print Meas Val Press ENTER The following message will be displayed if no measured values are stored Press ENTER The fol...

Страница 107: ...menu item Special Funct SYSTEM settings Network to change the settings of the transmission parameters Press ENTER This display will only be indicated if the transmitter has an interface RS485 Press E...

Страница 108: ...ormation about the transmitter and the measurement The following lines contain the parameters for each channel Next the line DATA is transmitted followed by the column titles see Tab 15 2 for the corr...

Страница 109: ...be generated Offline transmission During the offline transmission of data columns will only be created if at least one measured value is stored in the data set The columns Q_POS and Q_NEG will not be...

Страница 110: ...Press ENTER Automatic display toggling The automatic toggling of the totalizer display between positive and negative flow direction can be set Enter a time interval between 0 off and 5 s Press ENTER T...

Страница 111: ...physical quantities which will be unsuitable for the integration e g pulse outputs It is possible to ignore all measured flow velocities exceeding the preset upper limit These measured values will be...

Страница 112: ...rection A limit is set for the absolute value of the flow velocity Press ENTER Select factory to use the default limit of 2 5 cm s 0 025 m s for the cut off flow Select user to enter the cut off flow...

Страница 113: ...ing Press ENTER until the menu item ProfileCorr 2 0 is displayed Select a list item default on Press ENTER Input of the disturbance distance If With disturbance is selected in the menu item Special Fu...

Страница 114: ...locity can also be displayed Press to scroll until the flow velocity is displayed The uncorrected flow velocity is marked with U Uncorrected flow velocities transmitted to a PC are marked with uncorr...

Страница 115: ...16 7 Modification of the limit for the inner pipe diameter It is possible to modify the lower limit of the inner pipe diameter for a given transducer type Enter the HotCode 071001 see section 8 4 Ente...

Страница 116: ...Options if a binary output has been installed as alarm output see section 13 1 Output Options Alarm Output Tab 16 1 Alarm properties alarm property setting description func switching condition MAX Th...

Страница 117: ...alue exceeds the limit If the switching condition MIN is selected in the scroll list func Enter the lower limit Press ENTER The alarm will switch if the measured value falls below the limit If the swi...

Страница 118: ...esis or enter zero to work without hysteresis Press ENTER 16 9 Behavior of the alarm outputs 16 9 1 Apparent switching delay The measured values and totalizer values will be displayed rounded to 2 dec...

Страница 119: ...ng i e fluctua tion of the measured values around the value of the switching condition An alarm output of the type NON HOLD will be activated if the switching condition is met It will be deactivated i...

Страница 120: ...of the alarm outputs can be repeated by pressing C When the configuration of the alarm outputs is finished press ENTER The main menu will be displayed If the alarm output indication is activated the a...

Страница 121: ...tCode 071049 again to deactivate the SuperUser mode It is displayed that the SuperUser mode is deactivated Press ENTER The main menu will be displayed 17 2 Definition of the flow parameters In the Sup...

Страница 122: ...culated with the corrected flow velocity The correction data will be transmitted to the PC or printer during the online or offline transmission Select on to define the correction data off to work with...

Страница 123: ...ion for each measuring channel Enter zero to measure without signal amplification limit Press ENTER The current value of the amplification GAIN can be displayed in the upper line in the program branch...

Страница 124: ...uring channel Enter zero to use the default value of 300 m s Press ENTER It is possible to display the valid range of the sound speed SS in the lower line in the program branch Measuring The second va...

Страница 125: ...ng Miscellaneous Press ENTER until the menu item Total digits is displayed Select one of the following list items Automatic dynamic adaptation Fixed to x digit x decimal places range 0 4 Press ENTER T...

Страница 126: ...can be reset to zero during the measurement by pressing C 3 times even if a program code is activated Select the menu item Special Funct SYSTEM settings Measuring Miscellaneous Press ENTER until the m...

Страница 127: ...ect on to activate the display of the last valid measured value or off to deactivate it Press ENTER 17 11 Displays during the measurement Besides the normal information see section 9 4 the following p...

Страница 128: ...l through the program branch Parameter the outer pipe diameter that corresponds to the entered pipe circumference will be displayed Example 180 mm 57 3 mm 18 1 2 Measuring point number Select 1234 if...

Страница 129: ...ve to be entered in the program branch Parameter Press ENTER 18 1 5 Temperature correction Select on to enable the input of a temperature correction for each temperature input Press ENTER 18 1 6 Error...

Страница 130: ...s ENTER The difference c cmea cstored between the two sound speeds will be displayed in the lower line during the measure ment cstored is the sound speed of the reference fluid stored in the database...

Страница 131: ...low Press ENTER All positive values of the flow velocity below this limit will be set to zero Enter the cut off flow Press ENTER All negative values of the flow velocity above this limit will be set t...

Страница 132: ...EM settings Libraries Press ENTER Select Material list to edit the material scroll list or Medium list to edit the fluid scroll list Select go back to return to the menu item SYSTEM settings Press ENT...

Страница 133: ...lect Add all to add all materials fluids of the database to the current scroll list Press ENTER 18 3 4 Removing a material fluid from the scroll list Select Remove Material or Remove Medium to remove...

Страница 134: ...the display contrast of the transmitter The display contrast is adjusted with the following keys Press ENTER It is also possible to reset the display to medium contrast by means of a HotCode Enter the...

Страница 135: ...election A program code will remain valid as long as no other valid program code is entered or the program code is not deactivated 18 5 2 Intervention in the measurement If a program code is activated...

Страница 136: ...he program code with and Press ENTER At first 000000 is displayed If the program code starts with 000 ENTER can be pressed immediately 18 5 3 Deactivation of the program code Select the menu item Spec...

Страница 137: ...thermal energy rate 19 1 Calculation of the thermal energy rate The thermal energy rate is calculated with the following formula ki TV TR where The thermal coefficient ki is calculated from several th...

Страница 138: ...f the transducers are mounted on the return line or supply if they are mounted on the supply line Press ENTER Select sign if the sign of the thermal energy rate is to be considered or absolute if just...

Страница 139: ...NTER Select the temperature probe for the input T2 Press ENTER 19 2 4 Activation of the temperature inputs The temperature inputs are displayed one after another in the program branch Output Options S...

Страница 140: ...orrection values will be requested for each input which has been activated and where the temperature can be measured Enter the offset for the temperature input Press ENTER During the measurement a cor...

Страница 141: ...measurement will be adjusted automatically 19 3 Measurement Select the program branch Measuring Press ENTER until the following menu item is displayed Both temperature inputs are checked and the measu...

Страница 142: ...oefficients of water and ammonia are stored in the internal database of the transmitter The steam coefficients of other fluids have to be entered with the FluxSubstanceLoader program 19 4 1 Activation...

Страница 143: ...LIQU The fluid is completely liquid BOIL The fluid is in phase transition In this case an exact measurement of the thermal energy rate is not possible because the proportion of the fluid in liquid ph...

Страница 144: ...19 Thermal energy rate measurement 19 4 Steam in inlet FLUXUS F502TE 2020 05 29 UMFLUXUS_F502TEV1 5EN 144...

Страница 145: ...hysical quantity System settings Fluid parameters Number of sound paths Unit of measurement Dialogs and menus Measurement Outputs Storing Serial transmission Miscellaneous Clock settings Libraries Tra...

Страница 146: ...Material Lining yes no Lining Liner Thickness Roughness Disturb distance 1 Medium Medium Temperat Transducer Type Special Version Standard Transd Data 1 Transd Data 2 Transd Data 3 Transd Data 4 Trans...

Страница 147: ...Annex FLUXUS F502TE A Menu structure 147 UMFLUXUS_F502TEV1 5EN 2020 05 29 Measurement settings see chapter 9 Main menu Output Options Physic Quant Unit of measurement Damping...

Страница 148: ...enu Special Funct Output Options SYSTEM settings ENTER until Store Meas Data Storing Start logger yes no Ringbuffer Storage Rate yes no Storage mode sample average Main menu Quantity Storage Special F...

Страница 149: ...t see chapter 9 Main menu Measuring Meas Point No PROFILE CORR 1 Sound Path Transd Distance Signal test Transd Distance Measurement display BRK Measurement stop Legend 1 this will only be displayed if...

Страница 150: ...of outputs see chapter 9 Main menu Main menu Special Funct Output Options ENTER until SYSTEM settings Current Loop Proc outputs Install Output yes no Current Binary Zero Scale Val Full Scale Val Enab...

Страница 151: ...tings Calibrat data Measuring Miscellaneous factory user ENTER until Laminar flow Gain threshold Turbulent flow Bad soundspeed Calibration thresh offset off on ENTER until Slope Do not total if Offset...

Страница 152: ...19 Main menu Main menu Main menu Special Funct Output Options Special Funct SYSTEM settings Physic Quant SYSTEM settings Proc inputs Heatflow Measuring Heatflow in ENTER until Link temperature Heat Q...

Страница 153: ...Funct Output Options SYSTEM settings ENTER until Proc outputs Alarm Output Install Output Binary func typ mode Enable MAX MIN QUANT ERROR OFF NON HOLD HOLD NO Cont NC Cont Source chan Source item Lim...

Страница 154: ...hrenheit unit of measurement description bar a bar absolute bar g bar relative psi a pound per square inch absolute psi g pound per square inch relative unit of measurement description g cm gram per c...

Страница 155: ...day Ml bbl d barrel per day bbl bbl h barrel per hour bbl bbl m barrel per minute bbl bbl s barrel per second bbl USgpd US gal d gallon per day gal USgph US gal h gallon per hour gal USgpm US gal m ga...

Страница 156: ...N kTH kTON totals in kTONhours kTH kTON kTD kTON totals in kTONdays kTD BTU British Thermal Unit 1 W 1 J s 1 1055 05585262 BTU s TON ton of refrigeration 1 W 1 J s 1 3516 852842 TON 1 TON 200 BTU min...

Страница 157: ...nation ctrans m s clong m s cflow Carbon Steel steel normal 3230 5930 trans Stainless Steel steel stainless 3100 5790 trans DUPLEX duplex stainless steel 3272 5720 trans Ductile Iron ductile iron 2650...

Страница 158: ...bitumen lining 0 12 new without lining 0 25 1 rusted 1 1 5 encrusted 1 5 3 fluid display explanation sound speed m s kinematic viscosity mm s density g cm Ammonia NH3 ammonia NH3 1386 0 2 0 6130 BP T...

Страница 159: ...2 6 988 0 4 181 60 1 013 1551 0 983 2 4 185 70 1 013 1554 7 977 8 4 190 80 1 013 1554 4 971 8 4 197 90 1 013 1550 5 965 3 4 205 100 1 013 1543 2 958 3 4 216 120 1 985 1519 9 943 1 4 244 140 3 615 1486...

Страница 160: ...Annex D Conformity declarations FLUXUS F502TE 2020 05 29 UMFLUXUS_F502TEV1 5EN 160 D Conformity declarations...

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