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17 SuperUser mode
17.6 Upper limit of the sound speed

FLUXUS F401

2020-06-12, UMFLUXUS_F401V2-1EN

126

• Enter for each measuring channel the max. signal amplification.
• Enter zero to measure without a limit of the signal amplification.
• Press ENTER.
The current value of the amplification (

GAIN

) can be displayed in the upper line in the

program branch

Measuring

. If the current value of the amplification is higher than the

max. amplification, the current value is displayed with

→FAIL!

.

17.6

Upper limit of the sound speed

When the plausibility of the signal is evaluated, it will be checked whether the sound

speed is within a defined range. The used upper limit of the fluid sound speed is the

greatest of the following values:
• fixed upper value, default: 1848 m/s
• value of the sound speed curve of the fluid at the operating point plus offset, default off

-

set: 300 m/s

In the SuperUser mode, the values can be defined for fluids that are not contained in the

data set of the transmitter.

• Select

Special Funct.\SYSTEM settings\Measuring\Miscellaneous

.

• Press ENTER until the menu item

Bad soundspeed

is displayed.

• Enter for each measuring channel the fixed upper limit of the sound speed. Enter zero

to use the default value of 1848 m/s.

• Press ENTER.

Special Funct.\SYSTEM settings\Measuring\Miscellaneous\

Gain threshold\Fail if > 90 dB

Notice!

The limit of the signal amplification is still active after the deactivation of the Supe

-

rUser mode.

Special Funct.\SYSTEM settings\Measuring\Miscellaneous\

Bad soundspeed

Special Funct.\SYSTEM settings\Measuring\Miscellaneous\Bad

soundspeed\thresh.

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Содержание FLUXUS F401

Страница 1: ...FLUXUS F401 UMFLUXUS_F401V2 1EN Operating instruction...

Страница 2: ...660 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 F401 UMFLUXUS_F401V2 1EN 2020 06 12 Article number 2166...

Страница 3: ...or transport 12 2 8 Recommended procedure in hazardous situations 12 3 General principles 13 3 1 Measurement principle 13 3 2 Measurement arrangements 18 3 3 Acoustic penetration 21 3 4 Undisturbed fl...

Страница 4: ...on of special functions 75 9 6 Determination of the flow direction 75 9 7 Stop of the measurement 75 10 Troubleshooting 76 10 1 Problems with the measurement 77 10 2 Measuring point selection 78 10 3...

Страница 5: ...ssion 93 15 1 FluxDiagReader FluxDiag 93 15 2 Terminal program 93 15 3 Transmission parameters 95 15 4 Data format 96 15 5 Data structure 96 16 Advanced functions 99 16 1 Low power mode 99 16 2 Night...

Страница 6: ...r limit of the sound speed 126 17 7 Detection of long measurement failures 128 17 8 Number of decimal places of the totalizers 128 17 9 Manual reset of the totalizers 129 17 10 Display of the totalize...

Страница 7: ...qualified personnel in order to detect and avoid possible risks and dangers Presentation of warnings This operating instruction contains warnings marked as follows Danger Type and source of danger dan...

Страница 8: ...form us We will be grateful for any suggestions and comments regarding the concept and your experience working with the measuring equipment If you have any suggestions about improving the documentatio...

Страница 9: ...ntended for the measurement of fluid properties in closed pipes By means of connected transducers the transit times of the ultrasonic signals in the fluid and the pipe are measured and evaluated The t...

Страница 10: ...ducers and accessories see technical specification Observe the safety and accident prevention regulations applicable on the site of operation Only use the supplied mounting fixtures and transducers as...

Страница 11: ...ions have to be checked at regular in tervals The power supply unit for charging the battery may only be connected to networks up to overvoltage category II Use only the supplied power supply unit For...

Страница 12: ...have to be properly packed for 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 card...

Страница 13: ...behavior of a fluid in the pipe The Reynolds number Re is calculated from the flow velocity the kinematic viscosity of the fluid and the inner pipe diameter If the Reynolds number exceeds a critical...

Страница 14: ...into the value of the flow velocity across the whole cross sectional pipe area In case of a fully developed flow profile the fluid me chanics calibration factor only depends on the Reynolds number and...

Страница 15: ...This causes a change in the transit times The transit time of the signal in flow direction is shorter than the transit time against the flow direction The transit time difference is pro portional to...

Страница 16: ...gnal against the flow direction c sound speed 1 transducer emitter 2 transducer receiver 3 pipe wall Fig 3 3 Transit time difference t 1 signal in the flow direction 2 signal against the flow directio...

Страница 17: ...d again received This leads to a better signal quality The transducers are mounted in parallel on the pipe at a small distance see Fig 3 4 A measurement in TransitTime mode is not possible when workin...

Страница 18: ...d paths is odd if the measurement is carried out in diagonal arrangement even if the measurement is carried out in reflection arrangement v average flow velocity of the fluid kRe fluid mechanics calib...

Страница 19: ...cer receiving it One beam consists of 1 or several sound paths Transducer distance The transducer distance is measured between the inner edges of the transducers Fig 3 6 Diagonal arrangement with 1 be...

Страница 20: ...0 06 12 UMFLUXUS_F401V2 1EN 20 Sound beam plane plane containing sound paths or beams 3 2 2 Examples Fig 3 8 2 sound paths in 1 plane Diagonal arrangement with 1 beam Reflection arrangement with 1 bea...

Страница 21: ...have to be met at the measuring point the pipe is always completely filled no solid deposits in the pipe no bubble formation in the pipe Observe the following notes on the selection of the measuring p...

Страница 22: ...to be completely filled see Fig 3 11 and Fig 3 12 Free inlet or outlet pipe section Select the measuring point at a pipe section where the pipe cannot run empty see Fig 3 13 and Fig 3 14 Fig 3 11 Reco...

Страница 23: ...bances Only then it can be assumed that the flow profile in the pipe is fully developed However measuring results can be obtained even if the recommended distance to disturbances cannot be met for pra...

Страница 24: ...rce 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 diame...

Страница 25: ...minates noise signals and analyzes use ful signals The measured values can be displayed used for calculations and transmitted by the transmitter 4 2 Handling concept The transmitter is operated via th...

Страница 26: ...efore starting a measurement the transducer pipe and fluid parameters have to be entered in the program branch Parameter Measuring After the input of the transducer distance the measurement is started...

Страница 27: ...s and capital letters Press key 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 displaye...

Страница 28: ...atus indicator charge state red LEDs LEDs light number of LED lights displays the charge state of the battery not in low power and in night flow mode Tab 4 4 General functions I O switching the transm...

Страница 29: ...h the numbers above the cursor C move the cursor to the left If the cursor is on the left margin an already edited value will be reset to the value which was stored pre viously an unedited value will...

Страница 30: ...aging 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 prot...

Страница 31: ...hot or cold surfaces This may result in injuries e g thermal damages Observe the ambient conditions at the measuring point during installa tion Wear the required personal protective equipment Observe...

Страница 32: ...is fully developed The correct selection of the measuring point and the correct transducer positioning guar antee that the sound signal will be received under optimum conditions and evaluated cor rec...

Страница 33: ...e tween the pipe and the transducers is obtained as follows Clean the pipe at the selected measuring point If present the paint layer has to be smoothed by grinding The paint does not need to be remov...

Страница 34: ...n ner pipe wall or with strongly attenuating gases or liquids only 1 sound path smaller flow velocity and sound speed range compared to the diagonal arrange ment transverse flow effects are compensate...

Страница 35: ...ers form an arrow see Fig 6 3 The transducer ca bles show in opposite directions The transducer distance is measured between the inner edges of the transducers Select the installation instructions tha...

Страница 36: ...ping fixture Place the transducer clamping fixture onto the pipe Place the chain around the pipe and fix it into the hook on the opposite side of the trans ducer clamping fixture Fix the transducer ti...

Страница 37: ...in around the pipe Tighten the chain and insert it into the other slot of the transducer shoe Fix the second transducer the same way To ensure the correct transducer distance the material thickness 2...

Страница 38: ...chain and insert it into the hook of the transducer shoe Tension the chain by tightening the knurled screw Fix the second transducer shoe in the same way Insert the transducer into the transducer sho...

Страница 39: ...suring point to the transmitter before connecting the transducers to avoid load on the connectors Connection Remove the protective cap from the transmitter Remove the protective cap from the transduce...

Страница 40: ...26 7 2 1 Battery operation The transmitter has a Li ion battery and can therefore be operated independently When delivered the battery is charged with approx 30 The battery does not need to be fully c...

Страница 41: ...reen Optionally the transmitter can be charged with a car adapter via the 12 V connector Battery storage The battery remains in the transmitter After storage the transmitter can immediately be operate...

Страница 42: ...power supply unit The power supply is not protected against moisture Use it only in dry rooms The voltage indicated on the power supply unit must not be exceeded Do not connect a defective power suppl...

Страница 43: ...rcuit 2 Fig 7 4 Terminal assignment for the connection of the outputs Tab 7 1 Circuit of the outputs output transmitter external circuit remark internal circuit connection Rext is the sum of all ohmic...

Страница 44: ...move the connector from the transmitter socket Screw the protective cap on the socket Turn protective cap to the right in order to fix it 7 4 Connection of the RS232 service interface The RS232 servic...

Страница 45: ...uages are displayed Select a language Press ENTER The menus are displayed in the selected language Select metric or imperial Press ENTER Select yes if the transmitter is to be used in the region of Ca...

Страница 46: ...key I O 3 times to switch off the transmitter 8 3 Program branches The following schema shows the program branches For a detailed overview of the menu structure see annex A 1 SYSTEM settings contains...

Страница 47: ...e 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 again or no to return to the menu item Miscellaneou...

Страница 48: ...of the manufacturer Proceed as follows to execute an initialization When switching on the transmitter keep keys BRK and C pressed During the operation of the transmitter press keys BRK C and ENTER at...

Страница 49: ...to confirm the time or new to adjust it Press ENTER Select the character to be edited with key Edit the selected character with key Press ENTER The new time is displayed Select ok to confirm the time...

Страница 50: ...ress ENTER The type and the serial number of the transmitter are displayed in the upper line The max available data logger will be displayed in the lower line here 18327 additional measured values can...

Страница 51: ...nt The param eter ranges are limited by the technical characteristics of the transducers and the trans mitter Select the program branch Parameter Press ENTER Notice The parameters will only be stored...

Страница 52: ...pipe diameter see section 18 1 If the input of the pipe circumference is activated and zero is entered in Outer Diameter the menu item Pipe Circumfer will be displayed If the pipe circumference is no...

Страница 53: ...isplays will only be indicated if Other Material is selected For the sound speed of some materials see annex C Lining Select yes if the pipe has a lining Select no if the pipe has no lining Press ENTE...

Страница 54: ...n most cases the pipe roughness cannot be exactly determined and must therefore be estimated For the roughness of some materials see annex C Enter the roughness for the selected pipe or lining materia...

Страница 55: ...lation of the density and viscosity of the fluid The value entered here is used for the calculation if the fluid temperature is not mea sured Enter the fluid temperature The value has to be within the...

Страница 56: ...the fluid The physical quantity is selected as follows Select the program branch Output Options Press ENTER Select the physical quantity in the scroll list Press ENTER For the selected physical quanti...

Страница 57: ...put Options Press ENTER until the menu item Damping is displayed Enter the damping factor Press ENTER Press key BRK to return to the main menu 9 2 3 Installation of an output If the transmitter is equ...

Страница 58: ...e previous menu item 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...

Страница 59: ...for the negative flow direction Q sum of the totalizers positive and negative flow direction Limit R1 limit message Alarm Output R1 Impuls from abs x pulse without sign consideration from x 0 pulse f...

Страница 60: ...Output MAX Press ENTER after each input Error output In the following dialog an error value can be defined which is to be transmitted if the source item cannot be measured e g if there are solids in...

Страница 61: ...is output Other value The value has to be entered manually It has to be within the limits of the output Example source item output output range volumetric flow rate current output 4 20 mA error delay...

Страница 62: ...F401 2020 06 12 UMFLUXUS_F401V2 1EN 62 Hold last value Maximum 20 0 mA Other value error value 3 5 mA Tab 9 3 Examples for the error output output range 4 20 mA list item output signal I mA 20 4 t0 t...

Страница 63: ...of the output can now be tested Connect an external measuring instrument to the terminals of the output Enter a test value It has to be within the output range Press ENTER If the external measuring in...

Страница 64: ...Output Options the measuring range of the source item has to be entered Select sign if the sign of the measured values is to be considered for the output Select absolut if the sign of the measured val...

Страница 65: ...ge Press ENTER Function test The function of the output can now be tested Connect an external measuring instrument to the terminals of the output Select yes to test the output Press ENTER Enter a test...

Страница 66: ...e indicated if the list item edit is selected in Special Funct Dialogs Menus Error val delay If the error delay is not entered the damping factor will be used Enter a value for the error delay Press E...

Страница 67: ...will be displayed Input of the measuring point number Enter the number of the measuring point Press ENTER For the activation of text input see Special Funct SYSTEM settings Dialogs Menus Meas Point N...

Страница 68: ...ollowing display appears Select no if there are 2 transducer pairs in X arrangement or displaced X arrangement at the measuring point appropriate measurement arrangement The profile correction 2 0 at...

Страница 69: ...adjusted press ENTER The measuring run for the positioning of the transducers is started The bar graph S shows the amplitude of the received signal see Fig 9 1 Shift one of the transducers slightly w...

Страница 70: ...he measurement by scrolling the key The optimum transducer distance is displayed in brackets here 50 0 mm in the upper line followed by the entered transducer distance here 54 0 mm The latter value ha...

Страница 71: ...ed has been entered in the program branch Parameter and the transducer distance has been optimized afterwards it is recom mended to write down the sound speed for the next measurement By doing this it...

Страница 72: ...ns can be displayed in the lower line Press key during the measurement to change the display in the upper line press key to change the display in the lower line The character indicates that the displa...

Страница 73: ...scription of the status line value explanation S signal amplitude 0 9 5 90 Q signal quality 0 9 5 90 c sound speed comparison of the measured and the expected sound speed of the fluid The expected sou...

Страница 74: ...luctuations A deviation from the optimum transducer distance here 0 4 mm will be compensated internally F flow velocity comparison of the measured flow velocity with the flow limits of the system OK t...

Страница 75: ...rs The fluid flows in the direction of the arrow if the displayed volumetric flow rate is posi tive e g 54 5 m h The fluid flows against the arrow direction if the displayed volumetric flow rate is ne...

Страница 76: ...isplayed Contact FLEXIM The transmitter does not react when key BRK is pressed during the measurement The program code is activated Press key C and enter the program code The backlight of the display...

Страница 77: ...lue for the number of sound paths The signal attenuation might be too high due to a high fluid viscosity or deposits on the inner pipe wall The measuring signal is received but no measured values can...

Страница 78: ...upstream of pumps and downstream of great cross section enlarge ments 10 3 Maximum acoustic contact see section 6 2 10 4 Application specific problems A fluid with a wrong sound speed was selected If...

Страница 79: ...the measured flow will be too high because both the liquid and gas volume are measured The defined upper limit of the flow velocity is too low All measured flow velocities that are greater than the u...

Страница 80: ...he totalizer will be stored The totalizer will continue with this value at the start of the next measurement The values of the totalizers are too small One of the totalizers has reached the upper limi...

Страница 81: ...aluminum housing with a soft cloth Do not use detergents Caution Touching hot or cold surfaces This may result in injuries e g thermal damages Observe the ambient conditions at the measuring point dur...

Страница 82: ...The dismounting is carried out in reverse order to its installation see chapter 6 12 2 Disposal The measuring equipment has to be disposed in accordance to the applicable regula tions Depending on th...

Страница 83: ...ogram branch Output Options Select Special Funct SYSTEM settings Proc outputs Press ENTER Selection of a binary output Select the binary output to be installed Press ENTER Select yes to install or rec...

Страница 84: ...to Relay OFF in the scroll list Output Test to test the de energized state of the output Press ENTER Measure the resistance at the output The value has to be high ohmic Select yes to repeat the test n...

Страница 85: ...en value Pulse Value The integrated quantity is the selected physical quantity Integration is restarted as soon as a pulse is emitted Press ENTER until Pulse Output is displayed Select yes to activate...

Страница 86: ...r the pulse width The range of possible pulse widths depends on the specification of the instrument e g counter PLC that is to be connected to the output Press ENTER The max flow the pulse output can...

Страница 87: ...diagnostic values is activated In order to store the data the data logger has to be activated The available data logger can be displayed 14 1 Activation Deactivation of the data logger Select the prog...

Страница 88: ...e moment at which the storing has to start Output Options Storage Rate EXTRA Special Funct SYSTEM settings Storing Special Funct SYSTEM settings Storing Start logger display description Promptly The s...

Страница 89: ...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 average is selected the average of all...

Страница 90: ...flow directions Press ENTER Signal amplitude storing Select on to store the amplitude of the measured signal together with the measured values Press ENTER Fluid sound speed storing Select on to store...

Страница 91: ...a is activated and Special Funct SYSTEM settings Ringbuffer is deactivated a message indicating an error will be displayed as soon as the data logger is full Press ENTER The error message will be disp...

Страница 92: ...14 5 The type and the serial number of the transmitter are displayed in the upper line The available data logger will be displayed in the lower line here 18 327 additional mea sured values can be sto...

Страница 93: ...ction of the service interface see section 7 4 15 2 Terminal program If FluxDiag is not available the measurement data can be transmitted to a terminal pro gram in ASCII format 15 2 1 Online transmiss...

Страница 94: ...cial Funct Print Meas Val Press ENTER The following message will be displayed if no measured values are stored Press ENTER The following message will be displayed if the measurement values are transmi...

Страница 95: ...ax line length 255 digits RS232 interface default 9600 bits s 8 data bits even parity 2 stop bits protocol RTS CTS hardware handshake The transmission parameters of the RS232 service interface can be...

Страница 96: ...ing point numbers point or comma Press ENTER This setting depends on the setting of the operating system of the PC Select the character to be used to separate columns semicolon or tabulator Press ENTE...

Страница 97: ...there are no measured values available for the storage interval Example DEVICE MODE DATE TIME Par Record Meas Point No Pipe Outer Diameter Wall Thickness Roughness Pipe Material Lining Medium Medium T...

Страница 98: ...ata columns will only be created if at least one mea sured value is stored in the data set The columns Q_POS and Q_NEG will not be generat ed if the totalizers are deactivated Example With a storage i...

Страница 99: ...ode Select Standard to operate the transmitter in normal measuring mode Press ENTER 16 1 2 Low power mode settings In the low power mode the storage rate is the time interval between the starting poin...

Страница 100: ...Select yes to start the measurement in the low power mode Select no to start the transmitter in normal measuring mode Press ENTER The measurement is started see Fig 16 1 For the setting of the measuri...

Страница 101: ...inued Stop of the measurement Press key BRK during the measuring time 16 2 Night flow mode The night flow mode serves to detect leakages in pipes If the night flow mode is activated the transmitter ch...

Страница 102: ...he measurement has to start each day starting time Press ENTER This display will only be indicated if Nightflow mode yes is selected Example If only the volumetric flow rate and one totalizer is store...

Страница 103: ...play appears The starting time of the next resting phase is displayed in the upper line In order to deactivate the night flow mode scroll with key until NIGHTFLOW OFF is displayed in the upper line Pr...

Страница 104: ...er for the negative flow direction The unit of measurement used for totalizing corresponds to the volume or mass unit se lected for the physical quantity The totalizer values can be displayed with up...

Страница 105: ...izer only or to store one value for each flow direction Select Special Funct SYSTEM settings Storing Quantity Storage Press ENTER If one is selected only the value of the totalizer currently displayed...

Страница 106: ...l beam mode The NoiseTrek parallel beam mode works with parallel mounted transducers It improves the signal quality when measuring on small pipes or with strongly attenuating fluids Select the menu it...

Страница 107: ...be marked as outliers The upper limit of the flow velocity is set in Special Funct SYSTEM settings Measuring Velocity limit Enter zero to switch off the outliers check Enter a limit 0 to switch on th...

Страница 108: ...e 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 s...

Страница 109: ...o be mounted in reflection arrangement X arrangement or displaced X arrangement to compensate transverse flow effects When mounting in X arrangement it is essential to set the same parameters for both...

Страница 110: ...n will be switched off All physical quantities will be calculated with the uncorrected flow velocity During the measurement the designation of the physical quantity is displayed in capital letters to...

Страница 111: ...ful for the evaluation of measuring results or diagnosis purposes Select Special Funct SYSTEM settings Signal snap Press ENTER Snap memory settings Select on to activate the snap function and off to d...

Страница 112: ...OLTAGE is dis played in the upper line Press ENTER 16 10 Activation of a binary output as alarm output Press ENTER until Alarm Output is displayed Select yes to activate the alarm output Press ENTER S...

Страница 113: ...red value exceeds the upper limit MIN The alarm will switch if the measured value falls below the lower limit The alarm will switch if the flow direction changes sign change of measured value QUANT Th...

Страница 114: ...the switching condition MAX is selected in the scroll list func Enter the upper limit Press ENTER The alarm will switch if the measured value exceeds the limit If the switching condition MIN is selec...

Страница 115: ...talizer of the other flow direction is displayed Example Low Limit 10 kg h mass flow rate 11 kg h the measured value is below the limit the alarm switches mass flow rate 9 9 kg h the measured value is...

Страница 116: ...s Press ENTER 16 11 Behavior of the alarm outputs 16 11 1 Apparent switching delay The measured values and totalizer values will be displayed rounded to 2 decimal places The limits however will be com...

Страница 117: ...witching of the alarms into idle state will not be displayed 16 11 4 Alarm outputs during measurement An alarm output with switching condition MAX or MIN will be updated max once per sec ond to avoid...

Страница 118: ...ly Select the menu item SHOW RELAIS STAT Select on to activate the alarm state indication Press ENTER If the alarm state indication is activated the alarm output state is displayed after configur ing...

Страница 119: ...of an alarm output If the programmed outputs are no longer required they can be deactivated The configu ration of a deactivated output is stored and will be available if the output is activated again...

Страница 120: ...r of sound paths has to be entered Some menu items that are not visible in the normal mode are displayed 17 1 Activation deactivation Enter the HotCode 071049 see section8 4 Press ENTER It is displaye...

Страница 121: ...max Reynolds number at which the flow is laminar The entered number will be rounded to hundreds Enter zero to use the default value of 1000 Press ENTER Enter the min Reynolds number at which the flow...

Страница 122: ...gs If on is selected enter the slope The input 0 0 deactivates the correction Example profile bound for laminar flow 1500 profile bound for turbulent flow 2500 At Reynolds numbers 1500 the flow is reg...

Страница 123: ...s measured before the calculation of the derived quantities it will be corrected as follows vcor 1 1 5 m s 0 1 m s 5 4 m s Example Slope 1 0 Offset 0 0 Only the sign of the measured values changes Not...

Страница 124: ...wer mode is activated 17 4 Setting of measuring cycles in the night flow mode In the SuperUser mode it is possible to switch between a 24 h cycle see section 16 2 and a user defined cycle The user def...

Страница 125: ...ax resting time is 12 h 17 5 Limit of the signal amplification In order to prevent disturbing and or pipe wall signals e g if the pipe has run empty from being interpreted as useful signals it is poss...

Страница 126: ...greatest of the following values fixed upper value default 1848 m s value of the sound speed curve of the fluid at the operating point plus offset default off set 300 m s In the SuperUser mode the va...

Страница 127: ...t the operating point Special Funct SYSTEM settings Measuring Miscellaneous Bad soundspeed offset Example fixed upper value of the sound speed thresh 2007 m s offset 600 m s value of the sound speed c...

Страница 128: ...isplayed with up to 11 places e g 74890046 03 In the SuperUser mode it is possible to define the number of decimal places Select Special Funct SYSTEM settings Measuring Miscellaneous Press ENTER until...

Страница 129: ...NTER until the menu item 3xC clear totals is displayed Select on to activate the manual reset of the totalizers off to deactivate it Press ENTER decimal places max value max display 0 1010 9999999999...

Страница 130: ...sum Q of the totalizers can be dis played in the upper line during the measurement 17 11 Display of the last valid measured value If the signal is not sufficient for a measurement UNDEF is normally di...

Страница 131: ...owing parameters can be dis played during the measurement in the SuperUser mode display explanation t transit time of the measuring signal in the fluid c sound speed REYNOLD Reynolds number VARI A sta...

Страница 132: ...yed in Pipe Circumfer is calculated on the basis of the last dis played value of the outer pipe diameter Example 100 mm 314 2 mm Enter the pipe circumference The limits for the pipe circumference are...

Страница 133: ...cer distance are not identical During the transducer positioning in the program branch Measuring only the entered transducer distance will be displayed if Transd Distance user is selected and the reco...

Страница 134: ...nits of measurement for the length temperature pressure den sity and kinematic viscosity and sound speed Select a unit of measurement for all quantities Press ENTER after each selection 18 1 7 Setting...

Страница 135: ...l to the display of c Select a list item off profile correction 1 0 on profile correction 2 0 at ideal inflow conditions default With disturbance profile correction 2 0 at non ideal inflow conditions...

Страница 136: ...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...

Страница 137: ...en the positive and the negative totalizer during the measurement Enter a time interval between 0 off and 5 s Press ENTER This display will not be indicated if the low power mode is activated The acti...

Страница 138: ...ee section 8 4 18 4 Program code A running measurement can be protected against inadvertent intervention by a program code If a program code has been defined it will be requested in case of any interv...

Страница 139: ...am code is activated the message PROGRAM CODE ACTIVE will be displayed for a few seconds when a key is pressed If key BRK is pressed In order to stop a running measurement the complete program code ha...

Страница 140: ...the program code with the keys and Press ENTER At first 000000 is displayed If the program code starts with 000 ENTER can be pressed immediately 18 4 3 Deactivation of the program code Select Special...

Страница 141: ...nt number Physical quantity System settings Fluid parameter Number of sound paths Unit of measurement Dialogs and menus Measurement Outputs Storing Serial transmission Miscellaneous Clock settings Tra...

Страница 142: ...Outer Diameter Wall Thickness Pipe Material Lining yes no Lining Liner Thickness Roughness Disturb distance 1 Medium Medium Temperat Transducer Type Special Version Standard Transd Data 1 Transd Data...

Страница 143: ...Annex FLUXUS F401 A Menu structure 143 UMFLUXUS_F401V2 1EN 2020 06 12 Measurement settings see chapter 9 Main menu Output Options Physic Quant Unit of measurement Damping...

Страница 144: ...in menu Special Funct Output Options SYSTEM settings ENTER until Store Meas Data Storing Ringbuffer yes no Storage Rate yes no Storage mode sample average Main menu Quantity Storage Special Funct one...

Страница 145: ...nd Path 2 Transd Distance 2 Signal test Transd Distance 2 Measurement display BRK Measurement stop Legend 1 this will only be displayed if uncorr is selected in the menu item Special Funct SYSTEM sett...

Страница 146: ...the 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 147: ...Funct SYSTEM settings Calibration Measuring Miscellaneous factory user ENTER until Laminar flow Gain threshold Turbulent flow Bad soundspeed Calibration thresh offset off on ENTER until Slope Do not...

Страница 148: ...M settings Proc outputs Install Output Binary Main menu enable Source chan Output Options Source item ENTER until Limit Alarm Output func typ mode MAX MIN QUANT ERROR OFF NON HOLD HOLD NO Cont NC Cont...

Страница 149: ...mm millimeter inch inch unit of measurement description C degree Celsius F degree Fahrenheit unit of measurement description bar a bar absolute bar g bar relative psi a pound per square inch absolute...

Страница 150: ...er second fps ft s foot per second unit of measurement description volume totalized m d cubic meter per day m m h cubic meter per hour m m min cubic meter per minute m m s cubic meter per second m km...

Страница 151: ...gallon per minute gal USgps US gal s gallon per second gal KGPM US Kgal m kilogallon per minute kgal MGD US Mgal d million gallons per day Mgal IGPD UK gal d gallon per day Igal CFD cubic foot per day...

Страница 152: ...lized t h ton per hour t t d ton per day t kg h kilogram per hour kg kg min kilogram per minute kg kg s kilogram per second kg g s gram per second g lb d pound per day lb lb h pound per hour lb lb m p...

Страница 153: ...long 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 trans Asbestos Cem...

Страница 154: ...of the ma terial The sound speed of alloys and cast materials fluctuates strongly The values only serve as an orientation PFA perfluoralcoxy 500 1185 long PVDF polyvinylidene fluorid 760 2050 long Si...

Страница 155: ...on ferrous metal glass plastics and light metal 0 0 0015 drawn steel pipes 0 01 0 05 fine planed polished surface max 0 01 planed surface 0 01 0 04 rough planed surface 0 05 0 1 welded steel pipes new...

Страница 156: ...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 2...

Страница 157: ...Annex FLUXUS F401 D Conformity declarations 157 UMFLUXUS_F401V2 1EN 2020 06 12 D Conformity declarations...

Страница 158: ...Annex D Conformity declarations FLUXUS F401 2020 06 12 UMFLUXUS_F401V2 1EN 158...

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