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Ultraflux MiniSonic P, Manual

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Ultraflux MiniSonic P Manual Download Page 3

NT214B GB1 

 

3 / 26 

SUMMARY : 

 
1 – Typical Applications:  

Liquid flow measurements and controls 
Clamp on or insertion transducers  
Use for official control or as a standard for calibration 

 
2 – Composition of a measurement point. 

Certifications 
Applicable standards  
MiniSonic limitations 
Recommended accessories 

 
3 – Ergonomics and dimensions 
 
4 – Connections 
   

Use of an external data logger  

   

Use of our software and PC for records 

 
5 – Converter first handling instructions 
   

Charging batteries and other preliminary operations 

   

What to do before transducers installation 

 
6 – Probes installation. 
   

How to insure fast and good results  

   

How to manage a temporary installation 

   

What about the safety in Ex 

 
7 – Setting and commissioning.  
 
8 – Detailed Menu layout: 
   

Measurement Display Menu 

  

Calibration Allowed Menu 

   

Pipe Settings Menu  

   

Q Settings Menu – Flow and Fluid  

   

Probe and Echo Menu. 

   

General Parameters Menu  

   

Zero / Auto-Zero Menu. 

   

Current Output Menu  

   

Factory Settings Menu. 

   

Input / Output Test Menu  

   

Echo Analysis Menu.  

 
9 – Recommendations – Final checks and tests  
 
10 - Investigations – Spare parts.  
 
11 – Appendix  
   

Example of calibration file 

   

Print out of records done on a PC 

Summary of Contents for MiniSonic P

Page 1: ...B GB1 Revision 26 08 2008 MiniSonic _ P MiniSonic _ P B Portable Flowmeters Le Technoparc 17 rue C E JEANNERET 78306 Poissy Cedex France Tel 33 0 1 39 79 26 40 Fax 33 0 1 39 79 91 22 E mail ultraflux ultraflux fr Web www ultraflux com ...

Page 2: ...dual chord flow metering 600 B and 2000 B for dual pipe flow measurement configurations Speed 1 or 2 is for open channel flow velocity measurements This manual is specifically concerned with an element from the family and has been drafted to guide you in the stages of installation and commissioning Other documents and tools are available on paper or in electronic format A training manual concernin...

Page 3: ...g batteries and other preliminary operations What to do before transducers installation 6 Probes installation How to insure fast and good results How to manage a temporary installation What about the safety in Ex 7 Setting and commissioning 8 Detailed Menu layout Measurement Display Menu Calibration Allowed Menu Pipe Settings Menu Q Settings Menu Flow and Fluid Probe and Echo Menu General Paramete...

Page 4: ...training manual NT 106 To summarize note that it bears on the velocity difference and therefore the ultrasound wave transit times in a moving medium depending on whether the movement is with or against the current To achieve this it is necessary to establish dialogue between two sensors using an L shaped route whose projection D on the control axis is sufficient and to measure alternatively the ro...

Page 5: ...on transducers we propose insertion transducers with installation possibility by hot tapping When the instrument must have an official use it is recommended to compare it to a standard and obtain a calibration certificate on a flow rig Then after some reserves concerning a correct use the unit can be accepted as a secondary standard Basically we practice a dry calibration It reliability is suffici...

Page 6: ...niSonic P has a typical IP 67 rating This requires that all seals are ok and screws correctly tight Meanwhile when the immersion risk exists we can offer a heavy duty protection case with an IP 67 characteristic APPLICABLE STANDARDS Concerning high voltage human safety risks N A Only low voltage 60 V Concerning EMC EN 61000 EN 55022 et EN 50204 Concerning tightness IP EN 60529 Concerning ATEX Dire...

Page 7: ...enclosure is in ABS plastic The case can be cleaned with water alcohol or detergent by using a sponge or a soft cloth Never use abrasive or solvents MiniSonic P P B outside dimensions are approximately 220 x 115 x 64 mm It weights less than 1 kg MiniSonic P P B tightness protection is IP 67 but the charger or other accessories MiniSonic P P B can be used from 10 C up to 50 C as long LCD display pe...

Page 8: ...it at a given time or other condition Do wiring on analog output 1 SA 1 or 2 SA 2 Do wiring of relay 1 or 2 Flow records are samples There is no record about what could happen between Those which are designed to record time events If this event is the volume pulses unit as transmitted by one of our relays the time between two successive pulses permits to build a curve representing the average flow...

Page 9: ...ecords is their richness you keep trace of all available informations on MiniSonic Totalizer can be automatically reset before a new record You can also record the corresponding calibration file Moreover our Software includes a Spreadsheet Macro for Excel which permits an automatic transfer and edition of your results to help your technical report Let you guide up to such a final result example no...

Page 10: ...our operations Please read 7 and 8 before any measurement try Select one probes set depending on your application see 6 Start settings and controls in following order Switch the MiniSonic P on and wait for the welcome displays Enter in Probes Echo menu and set correct transducers with mounting mode Enter in Pipe settings menu and enter corresponding data Enter in Q settings menu and confirm liquid...

Page 11: ...ation of the probes for the same pair parallel faces Important once these adjustments finished it is necessary to measure with accuracy the distance L between transducers face to face and its projection D on flow axis and note these values on a as built data sheet for further entering in instrument menu The final accuracy depends on For external probes the freedom offered should not prompt the use...

Page 12: ... of these above probes are delivered with a support which doesn t let other choice than to place them in Reflex mode This V mode must be preferred to all other mode as far you can place the transducers distance D S and signal OK The probes coupling and its duration are very important for reliable results Try always to have a compromise for pipe access and straight lengths All becomes easier When y...

Page 13: ...ware Use same version than Firmware Refer to the manual supplied with the software CD ROM The fields of the main values to be entered are listed below under Heading 8 The software offers extended configuration possibilities At the end of the manual a printout of a typical file is given 3 Parameter settings using the keyboard Successive pressing on the F key or F then or gives access from the Measu...

Page 14: ...an 33 the last Measurement cycle is rejected Velocity of fluid and speed of sound N B This sound speed is a characteristic of the fluid at actual conditions Compare this value to expected one at a actual temperature see NT 122 It is a good indicator for water applications Physical measurements time of flight T and difference delta T Totalizers Reset possible by simultaneously pressing and Date and...

Page 15: ...to take place An operation will be requested allowing a provisional code to be calculated A second press on will provide access to the existing Languages choice field 8 3 Pipe Settings menu Access Press twice on F or F once then and Enter by Operations are common to all the menus External diameter mm or pipe circumference Chosen pipe material from programmed list If Other Characterization of this ...

Page 16: ...UTO Entry of Coefficient KH or data to do its calculation If MANUAL entry of coefficient depending on profile Laminar 1 333 or Turbulent 1 02 to1 08 If AUTO entry of parameters Fluid viscosity Pipe roughness As well as the critical Turbulent Laminar flow transition Critical Reynolds Number Rey C Transition range LBR Recommended values Q unit m3 h Qmax unit xxxxx x Product WATER OTHER Viscosity cst...

Page 17: ...L D Management of amplification gains ESC Mode recommended ESC Echo Shape Control Otherwise If MANUAL Gain adjustment If AUTO Margin Over amplification compared to critical gain Go If SM choice position of probes depending on geometrical measurements as distance L between probes face to face chord as projected distance onto flow axis Part of L concerned with the flow Gain ESC Margin xx dB Length x...

Page 18: ...ignment If copy of TOT 1 or TOT 2 relay closing time F maxi If Threshold enter value for Q Reset to Zero of TOT t1 t2 This function may be prohibited Parameter settings of two outputs 4 20 mA SA 1 SA 2 by assignment by range depending on unit RS 232 ou 485 Communication Jbus slave No and Baud Rate Back Light ON OFF TIMED Mémory s Threshold R2 unit Value Reset t1 t2 NO YES Closed Open TOT 1 ou 2 Fa...

Page 19: ...ngs menu normally reserved to Ultraflux It permits to adjust a coefficient which optimises the compensation with clamp on probes value 0 6 to1 4 Another parameter named Delta T band permits to set a compromise between filtering an response time for some difficult applications please contact Ultraflux Factory settings menu includes another facility but only through PC software the entering of a lin...

Page 20: ... MiniSonic P version Pipe Settings menu Entering for pipe 1 2 diameter and circumference ext D 1 xxxx x ext D 2 xxxx x Entering of pipe 1 2 materials Pipe 1 Pipe 2 Entering of pipe 1 2 thickness Thickness 1 xx x Thickness 2 xx x mm Q Settings menu identical to MiniSonic P version These data are common to the two pipes Probe Echo Settings menu Number of pipes chords 1 or 2 If transducer choice is S...

Page 21: ...smitted meets your expectations Case 2 The measurement operates but may lack accuracy or is unstable Case 3 The measurement is not reliable or the MiniSonic is displaying a Fault Case 1 Although everything appears to be OK Flow Rate OK check the other values The echo or gain level compared to typical values For external probes a gain exceeding 50 60 dB reveals certain difficulties such as the wron...

Page 22: ...omplementary law Factory Adjustments Menu The Delta t offered by the measurement conditions Diameter Flow Rate Assembly and Choice of probes is too low to claim any measurement accuracy Is it possible to revise these choices The measurement conditions reveal poor control of transitions from turbulent to laminar configurations Adapt declared Critical Reynolds and range LBR values or play with Kh ma...

Page 23: ...ositive edge 0 to 5 Volt PT 1 Selection windows Echo must be inside PT 3 Emission Reception transit time PT 4 Echo Alternating signal peak to peak 4 Volt 0 65 V negative threshold Echoes display investigations can also be done by using a DigiSonic E P portable flowmeter This device permits also ultrasonic thickness gauge option Or measuring instruments for dimensional or alignment measurements SPA...

Page 24: ...NT214B GB1 24 26 11 APPENDIX 1 Calibration file example with a MiniSonic P B with clamp on probes SE ...

Page 25: ...ns of predicting the speed of sound to be compared with the result obtained by MiniSonic on the basis of the measured times and the dimensions as set up A deviation may require these values to be reexamined like L for intrusive probes or the diameter and thickness of the pipe for external probes The following simple equation gives a good estimation of C between 0 and 100 C C 1557 0 0245 74 t 2 The...

Page 26: ...oducts values at 15 C 1 bar except for butane and propane This speed of sound varies with the pressure and temperature and the coefficients rise in proportion to the reduction in the speed of sound For instance Influence of pressure 1 m s per bar for liquid butane and 0 4 m s per bar for diesel oil Influence of temperature 6 m s per C for butane and 4 m s per C for diesel oil Measurements on Gases...

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