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Twilight MC-SUP2000H Manual

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Medidor de flujo ultrasónico en líquidos, portátil, Meacon
MC-SUP2000H

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Summary of Contents for Twilight MC-SUP2000H

  • Page 1 Medidor de flujo ultrasónico en líquidos, portátil, Meacon MC-SUP2000H...

  • Page 2: Table Of Contents

    Contents Chapter 1 Introduction....................- 1 - 1.1. Preface......................- 1 - 1.2. Goods confirmation..................- 1 - 1.2.1. monitor....................- 1 - 1.2.2. Sensor....................- 2 - 1.3. Specifications....................- 3 - 1.4. Principle Of Measurement................- 4 - 1.5. Typical Application..................- 5 - 1.6.
  • Page 3 4.4.1. Signal strength and quality.............. - 42 - 4.4.2. Transfer time ratio................- 43 - 4.5. Measurement data view................- 43 - 4.6. Measurement data processing..............- 43 - Chapter 5 Data processing..................- 44 - 5.1. Processing of the measured data..............- 44 - 5.2.
  • Page 4 6.23. How to view the Date Totalizers...............- 51 - 6.24. How to use the Working Timer..............- 51 - 6.25. How to use the manual totalizer.............. - 51 - 6.26. How to check the ESN and other minor details........- 51 - 6.27.

  • Page 6: Chapter 1 Introduction

    Chapter 1 Introduction Chapter 1 Introduction 1.1. Preface You are welcome to buy a portable/handheld ultrasonic flow meter. This manual explains the characteristics, configuration, measurement methods, how to use, failure causes, and maintenance of portable/handheld ultrasonic flow meters. To ensure correct use, please read this manual carefully before use. In addition, please keep this manual in a place where the user can refer to it at any time.

  • Page 7: Sensor

    Chapter 1 Introduction 1.2.2. Sensor Name Model Range Temp. Picture Small size TS-2 DN32~100 -30~90 Medium size TM-1 DN50~700 -30~90 Large size TL-1 DN300~6000 -30~90 High temp. TS-2-HT DN32~100 -30~160 small size High temp. TM-1-HT DN50~700 -30~160 medium size High temp. TL-1-HT DN300~6000 -30~160...

  • Page 8: Specifications

    Chapter 1 Introduction 1.3. Specifications Accuracy ±1% Range 32mm~6000mm Pipe material Steel, stainless steel, cast iron, PVC, copper, aluminum, and other dense pipelines. Lining is allowed Medium Water, sea water, industrial sewage, acid and alkali, alcohol, beer, various oils and other single uniform liquids that can conduct ultrasonic waves Screen 4*16 dot matrix backlit LCD display...

  • Page 9: Principle Of Measurement

    Chapter 1 Introduction 1.4. Principle Of Measurement Our ultrasonic flow meter is designed to measure the fluid velocity of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type, which will provide benefits of non- fouling operation and easy installation. The transit time flow meter utilizes two transducers that function as both ultrasonic transmitters and receivers.

  • Page 10: Typical Application

    Chapter 1 Introduction θ is the include angle to the flow direction M is the travel times of the ultrasonic beam D is the pipe diameter T up is the time for the beam from upstream transducer to the downstream one T down is the time for the beam from downstream transducer to the upstream ΔT=Tup –Tdown 1.5.

  • Page 11: Parts Identification

    Chapter 1 Introduction 1.6. Parts Identification 1.6.1. Converter: Front view  Side view：  - 6 -...
  • Page 12 Chapter 1 Introduction Output signal:  1–5: Power terminal 2–3: RS232 communication interface 4 - 5: OCT pulse signal output interface 6 - 7: Inlet pipe temperature resistance interface 8–9: Outlet pipe temperature resistance interface 1.6.2 Sensor Small size  Medium size ...

  • Page 13: High Temperature Compact On Sensor

    Chapter 1 Introduction Large size  1.6.2. High temperature compact on sensor The high temperature clamped sensor is made of special custom-made high temperature resistant materials. The fluid temperature range can be measured from -30℃ to 160℃. Different types of sensors can be selected according to different pipe diameters.See page 7 for sensor options in the host menu.

  • Page 14: Bracket Transducers

    Chapter 1 Introduction High temperature outside the clip-on small sensors (TS - 2 - HT)  Same size as standard small sensor (TS-2) High temperature outside the clip-on medium-sized sensors-1-HT(TM)  The same size as standard medium sensor(TM-1) Outside clip-on large high temperature sensor (TL - 1 - HT) ...
  • Page 15 Chapter 1 Introduction Description of each part: Support frame: made of aluminum alloy, used to support and slide the probe. Label: used to indicate the type of bracket probe. Probe jacking rod: the probe can be moved up and down to press the probe against the wall or remove the probe.
  • Page 16 Chapter 1 Introduction View and size Small size (HS)  Medium size (HM)  - 11 -...
  • Page 17 Chapter 1 Introduction High temp. Small size (HS-HT)  - 12 -...
  • Page 18 Chapter 1 Introduction High temp. Medium size (HM-HT)  Extension bracket  - 13 -...

  • Page 19: Chapter 2 Operation

    Chapter 2 Operation Chapter 2 Operation 2.1. Power On Press the to switch on the instrument and press the to turn off the power. 2.2. Charging and capacity (1) Charge indicator light status description The power supply of the ultrasonic flowmeter is the built-in rechargeable Ni-HM battery, and the use of external charger can achieve uninterrupted measurement.The main machine is equipped with Charge indicator and Battery indicator, which is convenient for users to use.

  • Page 20: Display

    Chapter 2 Operation 2.3. Display All measurement results and the menu for setting up the meter are arranged into over 100 different Windows.These Windows are referred to as M00, M01…………M99, M + 0...M+9 and other Windows. You can use the MEMU key and enter two numeric keys to enter a window quickly, r you can use the up or down keys to enter the window above or below the adjacent.

  • Page 21: Chapter 3 Menu Windows Arrangement

    Chapter 3 Menu Windows Arrangement entering the number, they are equivalent to the plus and minus sign keys. key (referred to as M key) for access to the MENU, first type this key and then type two numeric keys, you can enter the corresponding number MENU window; key is the enter key, also known as the OK key, which is used to "confirm"...

  • Page 22: Menu Window General

    Chapter 3 Menu Windows Arrangement M90~M94 windows for diagnosing flow measurement correct or not. M96~M99 windows for print setting. M+0~+9 windows for additional features that are less commonly used. 3.1. Menu window general Display instantaneous Input pipe inner diameter flow/net accumulation Display instantaneous flow rate / instantaneous flow Select pipe material type...
  • Page 23 Chapter 3 Menu Windows Arrangement Select the metric system Current output value of current loop Flow unit Select instantaneous flow Date time and settings setting unit Select cumulative flow unit Software version number and electronic serial number Select the accumulator Set serial port multiplication factor parameters...
  • Page 24 Chapter 3 Menu Windows Arrangement management (batch) controller control signal Data timing output option Flow rate (batch) setting controller Timing output time setting Day month year accumulator Print data flow control Automatically add and break current switch 53 Display analog input AI5 Select heat unit Heat OCT pulse width setting...
  • Page 25 Chapter 3 Menu Windows Arrangement window power-off time and flow calibration at 84.5℃ Display the total working time of the flowmeter Display the time of the last power failure Show the flow when the power was last cut off Display total power-on times Scientific calculator Fluid sound velocity...
  • Page 26 Chapter 3 Menu Windows Arrangement Window for entering pipe wall thickness Window for entering the inner diameter of the pipe Window for selecting pipe material Standard pipe materials (that the user need not know the speed ) include: (0) carbon steel (1) stainless steel (2) cast iron (3) ductile iron (4) copper (5) PVC...
  • Page 27 Chapter 3 Menu Windows Arrangement Select YES or NO for the instrument to determine whether or not to hold (or to keep) the last correct value when poor signal condition occurs. YES is the default setup Enter a value ranging from 000 to 999. 0 is the default value Window for selecting unit system.
  • Page 28 Chapter 3 Menu Windows Arrangement Network environment Identification Number. Any integer can be entered except 13(0DH, carriage return), 10 (0AH, line feeding), 42 (2AH), 38, 65535. Every set of the instrument in a network environment should have a unique IDN. Please refer to the chapter for communication. System locker to avoid modification of the parameters Linear polyline correction data input Communication tester...
  • Page 29 Chapter 3 Menu Windows Arrangement seconds the backlight will be on with every key pressing. LCD contrast control. The LCD will become darker when a small value is entered. Working timer. It can be cleared by pressing ENT key, and then select YES.
  • Page 30 Chapter 3 Menu Windows Arrangement difference with the actual fluid sound speed, pipe parameters entered and the transducer installation should be checked again. Displays total transit time and delta time(transit time difference) Displays the Reynolds number and the pipe factor used by the flow rate program.
  • Page 31 Chapter 3 Menu Windows Arrangement AI4 analog input 4 mA input calibration AI4 analog input 20 mA input calibration AI5 analog input 4 mA input calibration AI5 analog input 20 mA input calibration PT100 zero setting at low temperature (< 40℃) PT100 at high temperature (>...

  • Page 32: Chapter 4 Flow Measurement

    Chapter 4 Flow measurement Chapter 4 Flow measurement Portable/handheld ultrasonic flowmeter of simple and convenient flow measurement, only selecting a proper installation, pipeline parameters of input on a host computer installation points, and then according to the host for installation of sensors, the sensor installed on the pipe surface, and ultrasonic special cable to connect to the host, can complete the flow measurement.As shown in the figure: It can be operated according to the following steps:...

  • Page 33: Full Pipe

    Chapter 4 Flow measurement Full pipe Possible dissatisfaction with management A vertical upward flow pipe A verticall downward flow pipe An upward sloping pipe An downward sloping pie The lowest point in a piping system The highest point in a piping system Natural flow No pressure in the pipe 4.1.2.
  • Page 34 Chapter 4 Flow measurement If it fails to meet the standard requirements of steady flow conditions, the following conditions can also be measured: 1, there is an elbow or buffer device between the pump outlet, the half-open valve and the installation point. 2, the inlet of the pump, upstream of the valve.

  • Page 35: Scaling

    Chapter 4 Flow measurement 4.1.3. Scaling Scaling on the inner wall of the pipe will attenuate the transmission of ultrasonic signal and reduce the pipe inner diameter.Therefore, the scaling of the inner wall of the pipe will make the flow meter can not be measured normally or affect the measurement accuracy.Therefore, it is necessary to avoid choosing the place of scaling on the inner wall of the pipeline as the installation point.If the scaling installation point cannot be avoided, the following measures can be taken to...

  • Page 36: Temperature

    Chapter 4 Flow measurement eliminate or reduce the shadow noise of the measurement of scaling on the inner wall of the pipe 1.Hit the pipe at the measuring point with a hammer until the signal strength at the measuring point increases significantly. 2.Z method was selected for measurement, and scaling was set as lining to obtain better measurement accuracy.

  • Page 37: Steps To Configure The Parameters

    Chapter 4 Flow measurement 4.2. Steps to Configure the Parameters Before the measurement, the settings of 10~29 need to be completed. In order to obtain the installation distance of the sensor. Pipe outer diameter Pipe wall thickness Pipe materials Liner material Liquid type (for non-standard liquids, the sound speed of the liquid is also needed) Transducer type...

  • Page 38: Transducers Installation

    Chapter 4 Flow measurement Press key to enter M24 window to install the transducers on the pipe, and then press key to go to M01 for the results. 4.3. Transducers Installation 4.3.1. Transducers Spacing The spacing value shown on menu window M25 refers to the distance of inner spacing between the two transducers.
  • Page 39 Chapter 4 Flow measurement W-method Installation W-method is usually used on plastic pipes with a diameter from 10 millimeters to 100 millimeters N-method Installation Rarely used method. 4.3.1.1. Input measurement parameters to get the installation distance Before starting the measurement, the flowmeter needs to be initially set, usually from the menu 10 to 26 item by item (M39 menu is available in a variety of languages).
  • Page 40 Chapter 4 Flow measurement and then stick the sensor closely to the wall of the tube. Pay attention to the direction of the sensor to be correct, and there can be no air and gravel between the sensor and the wall of the tube.Tighten the sensor with cloth tape or tensioner after positioning.

  • Page 41: The Installation And Use Of The Bracket Probe

    Chapter 4 Flow measurement entering and affecting the transmission of ultrasonic signals. 4.3.2. The installation and use of the bracket probe 4.3.2.1. Use method of bracket probe 1. Options of bracket probe in M23 menu: Medium Stent Probes (HM), High Temperature Medium Stent Probes (HM-HT) : standard HM stent sensors Small bracket probe (HS), high temperature small bracket probe (HS-HT) : standard HS small bracket sensor...
  • Page 42 Chapter 4 Flow measurement 5. According to the fluid flow direction indicated by the bracket probe, fix the bracket probe on the pipe to be measured and twist the sensor downward until it is close to the pipe wall.(See § 4.3.2.3 for fixing method of stent probe). 6.
  • Page 43 Chapter 4 Flow measurement Extend bracket Z method to install top view The use of the extension bracket is as follows: Turn the probe ejector downward to remove one of the probes of the bracket, and then put the probe and accessories into the extension bracket. In the same way, twist the probe ejector upward to mount the probe into the extension bracket.
  • Page 44 Chapter 4 Flow measurement The magic belt through the pipeline, the black side up through the bracket probe magic belt fastening bracket, fold in half after the force to tighten, adjust the direction of the bracket probe, and then paste firmly. For small diameter pipeline, the method is the same as above, as shown in the figure below: - 39 -...
  • Page 45 Chapter 4 Flow measurement Tensioning belt fixation: for fluid temperature ≦100℃ fluid can be fixed by  this method, the method is as follows: Move the tensioner around the pipe and through the tensioner, making sure it is not too tight. Do the same with the other tensioner. Pipe the fastening grooves on the bracket probe saddle into the two tensioning belts respectively, adjust the direction of the bracket probe and tighten the tensioning belts forcefully.
  • Page 46 Chapter 4 Flow measurement Steel belt fixation: for fluid temperature ≥100℃ fluid can be fixed by this  method, the method is as follows: Move the strip around the pipe and through the fastening screw, then close it down, not too tight. Do the same for the other strip. Pipe the fasFlow measurementtening grooves on the saddle of the bracket probe into two steel belts, adjust the direction of the bracket probe, and tighten the steel belt screws forcefully.

  • Page 47: Check Proper Installation

    Chapter 4 Flow measurement 4.4. Check proper installation Signal strength, signal quality and the ratio of measured to theoretical transmission time (referred to as transmission time ratio) are three important parameters used to check whether the sensor is installed correctly. They are described below. 4.4.1.

  • Page 48: Transfer Time Ratio

    Chapter 4 Flow measurement the maximum signal strength, and also check that the ratio of measured and theoretical transmission time is between 97% and 103%. 4.4.2. Transfer time ratio The M91 window is used to display the transmission time ratio, which is the percentage value of the actual measured time and the transmission time calculated according to the parameters set by the flow meter.If this value exceeds 97%~103%, it indicates that either the parameter setting is wrong or the installation distance is...

  • Page 49: Chapter 5 Data Processing

    Chapter 5 Data processing Chapter 5 Data processing 5.1. Processing of the measured data Portable/handheld ultrasonic flowmeter (energy meter) measurement data can be processed in a variety of ways, data flow control Settings can be made in the M52 menu. Name Handheld ultrasonic flowmeter (energy meter)

  • Page 50: Storage Of Measurement Data

    Chapter 5 Data processing output option is opened in the M50 menu, and secondly, the timing printing time is set in the M51 menu. Timing print options: in the M50 menu, set the timing print option to open (ON),  press ENT can enter the print option is set, in a total of 22 timing print content, choose open (ON) option that is included in the printed content;Select OFF content, will not print.

  • Page 51: Chapter 6 How To

    Chapter 6 How to Chapter 6 How To 6.1. How to judge if the instrument works properly Type the M08 window to display "*R" to indicate that it is working properly.In  the display of this window, if the word "E" indicates that the current loop output exceeds 100% of the range, it is related to the setting of window No.

  • Page 52: How To Change Between Units Systems

    Chapter 6 How to 6.3. How to change between units systems Use menu window M30 for the selection of unit system in English or Metric system. 6.4. How to select a required flow rate unit Use menu window M31 to select the flow unit first and then the timing unit. 6.5.

  • Page 53: How To Setup A Zero Point

    Chapter 6 How to with ‘0’. This means the flow meter will avoid any invalid accumulation when the actual flow is below the zero-cutoff value. The low-cutoff value does not affect the flow measurement when the actual flow is absolutely greater than the low-cutoff value. 6.11.

  • Page 54: How To Use The Frequency Output

    Chapter 6 How to data to be stored in the logger buffer. Logging data can be redirected to the RS-232C interface without being stored into the logger buffer. Use M53 to view the data in the logger buffer. Dumping the logging data through the RS-232C interface and the clearing of the buffer can be operated with a function in window M52.

  • Page 55: How To Produce An Alarm Signal

    Chapter 6 How to （2）Select the Multiplier as ‘2. X0.1’ under window M33. （3）Select the output option ‘9. POS INT Pulse’ under window M77. (INT stands for totalized ) 6.17. How to produce an alarm signal There are 2 types of hardware alarm signals that are available with this instrument. One is the Buzzer, and the other is the OCT output.

  • Page 56: How To Modify The Built-In Calendar

    Chapter 6 How to The OCT output shares pins with the RS-232C interface, and the terminal is at Pin 6 and the ground is at Pin 6. 6.20. How to modify the built-in calendar No modification on the built-in calendar will be needed in most cases. The calendar runs on insignificant amount of power supply.

  • Page 57: How To Know How Long The Battery Will Last

    Chapter 6 How to 6.27. How to know how long the battery will last Use M07 to check how long the battery will last. Also please refer to .2.1 6.28. How to charge the built-in battery Refer to 2.1 - 52 -...

  • Page 58: Chapter 7 Troubleshooting

    Chapter 7 Troubleshooting Chapter 7 Troubleshooting Ultrasonic flow meter (energy meter) is designed with perfect self-diagnosis function.The problems found are displayed in chronological order in the form of code in the upper right corner of the LCD display.M08 menu can show all the existing problems in order.

  • Page 59: Error Code And Counter-Measures

    Chapter 7 Troubleshooting Measurement circuit Fatal error in sub-CPU Power on again/contact the hardware error circuit manufacturer Frequency error! Power on again/contact the System clock is wrong Check crystal manufacturer The system date and time Date and time error Reset date and time is wrong Check whether the cable The monitor does not...
  • Page 60 Chapter 7 Troubleshooting *Check whether the initial *The sensor is not parameters are set installed properly correctly. *Too much scaling on *Remove scaling or the inner wall replace test points *Wait for the lining to *New lining cure and become saturated before testing.

  • Page 61: Causes Of Abnormal Measured Values And Treatment Methods

    Chapter 7 Troubleshooting 7.3. Causes of abnormal measured values and treatment methods Status Reason Handle The link between the host The measured value and the sensor (upstream Make the correct shows a negative value and downstream sensors) connection. display is reversed. The actual flow is reverse.
  • Page 62 Chapter 7 Troubleshooting couplant during sensor installation. *The connector of the sensor is connected badly. *The pipe surface is dirty. 2. Problems with pipes and Same as above fluids *If the current method is V method, change to Z method. *If the sensor extension cord is currently used, please stop using it.
  • Page 63 Chapter 7 Troubleshooting * Avoid the water flowing into the pump well forming a waterfall and rushing down. Move the sensor to a place where air bubbles are not easy to get in. * The inlet side of the pump. *Upstream side of the valve.
  • Page 64 Chapter 7 Troubleshooting *Measurement is carried out near frequent roads such as cars and trains. Contact our company when 4. Hardware abnormality an abnormality occurs. Although the water flow There is convection of stops, the measured normal water in the pipeline. value is not zero Please reset the zero when When performing zero...

  • Page 65: Other Problems And Solutions

    Chapter 7 Troubleshooting 7.4. Other Problems and Solutions 1. The display of the flowmeter measures normal "R", and the received signal strength and signal goodness are good. The fluid in the pipeline under test has been flowing, but the flow rate of the flowmeter has been shown to be 0.0000 at this time, what is the reason? A: It is possible that the user used the "static zero"...

  • Page 66: Chapter 8 Appendix

    Chapter 8 Appendix Chapter 8 Appendix 1. Commonly used liquid sound velocity and viscosity Liquid Sound Viscosity Liquid Sound Viscosity speed speed (m/s) (m/s) Water 20℃ 1482 Glycerin 1923 1180 Water 50℃ 1543 0.55 Gasoline 1250 Water 75℃ 1554 0.39 66# Gasoline 1171 Water 100℃...
  • Page 67 Chapter 8 Appendix Dicarboxylic acid 1389 Heavy water 1388 1.129 Mercury 1451 0.114 Nitrobenzene 1473 1.665 Carbon disulfide 1158 0.29 Tribromomethane 931 N-propanol 1225 N-pentane 1032 0.366 N-ethane 1083 0.489 Light oil 1324 Transformer oil 1425 Spindle lubricant 1342 15.7 1295 Gasoline 1250...
  • Page 68 Chapter 8 Appendix 3. Sound velocity meter in water (at 1 standard atmosphere) 1402.3 1496.6 1542.5 1555.1 1407.3 1499.2 1543.5 1555.0 1412.2 1501.8 1544.6 1554.9 1416.9 1504.3 1545.5 1554.8 1421.6 1506.7 1546.4 1554.6 1426.1 1509.0 1547.3 1554.4 1430.5 1511.3 1548.1 1554.2 1434.8 1513.5...

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