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Hui Zhou Boshijie Technology SCL-80 Installation & User Manual

Ultrasonic flowmeter
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SCL-80/82 Ultrasonic Flowmeter
Installation & User Guide
Huizhong Instrumentation Co., Ltd.

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  • Page 1 SCL-80/82 Ultrasonic Flowmeter Installation & User Guide Huizhong Instrumentation Co., Ltd.
  • Page 2 Dear Users and Friends, Thank you for your choice of our company’s ultrasonic flow measuring meters. Huizhong Instrumentation Co., Ltd. is currently China’s R & D and manufacture base of series ultrasonic heat meters, water meters and flowmeters and related systems. It is also a new and high-tech and software enterprise of Hebei Province.
  • Page 3 Enterprise’s certificates  Quality Management System GB/T 19001-2008/ISO9001:2008.  Environment Management System GB/T 24001-2004/ISO14001:2004.  Measurement Management System GB/T 19022-2003/ISO10012:2003.  Occupational Health and Safety Management System GB/T 45001-2020/ISO 45001:2018. Important Notices  Please do read the Installation & User Guide carefully prior to the use of the meter.

  • Page 4: Table Of Contents

    Contents 1. Description ............................ 1 2. Main Measuring Unit Installation and Operating Instruction ............1 2.1 Technical Parameters ......................1 2.1.1 Typical Error Curve ......................2 2.2 Main Measuring Unit Installation and Connection ..............3 2.2.1 Installation and connection requirements ................. 3 2.2.2 Dimensions and weight ....................
  • Page 5 Safety Warning Please proceed with following precautions and use the meter correctly for avoiding economic loss, personal injury and death. 1. The meter is a precise measuring instrument which should be operated by specialized personnel. 2. About AC power supply: ...
  • Page 6 7. The meter is a precise unit. Take care and don’t let it fall off or be subjected to knocking force. 8. Before confirming the location of the installation point, read and understand the installation requirements and precautions for the "Technical parameters" of the instrument in detail.

  • Page 7: Description

    1. Description  SCL-80 and SCL-82 ultrasonic flowmeters are used for measuring liquid flow in a closed round pipes with the “velocity difference” methods as its operating principle. The meter uses advanced multi-pulse, DSP and error correction techniques, and an internally integrated HZ-USP ultrasonic signal processing functional module (Paten Name: A Ultrasonic Signal Processing Functional Module.

  • Page 8: Typical Error Curve

    Flow velocity 0m/s~12.00m/s (qt=0.3m/s) adaptable Accuracy class 0.5/1.0 1.0/1.5 -10℃~+45℃(Please specify on ordering if exceeds mentioned range) Ambient temperature ≤85%RH (Please specify on ordering if exceeds mentioned range) Ambient humidity AC220V± 10%, 50Hz Power supply AC110V± 10%, 60Hz (Please specify on ordering) DC12V~DC36V, 1A (Please specify on ordering) Power consumption <5W...

  • Page 9: Main Measuring Unit Installation And Connection

    SCL-80 Insertion-type Flowmeter (Class 0.5) SCL-80 Insertion-type Flowmeter (Class 1.0) Flowrate(m³ /h) Flowrate(m³ /h) SCL-82 Clamp-on-type Flowmeter (Class 1.0) SCL-82 Clamp-on-type Flowmeter (Class 1.5) 2.2 Main Measuring Unit Installation and Connection 2.2.1 Installation and connection requirements  Do not install in strong vibration environment.

  • Page 10: Main Measuring Unit Installation Method

    Front view Side view Rear view Picture 2-1 Dimensions of main measuring unit  Weight: 1.6kg 2.2.3 Main Measuring Unit Installation method Picture 2-2 Installation diagram  Installation instruction 1. First, determine the mounting position of main measuring unit. Then check whether following accessories are available: 1 piece of pendant, 2 pieces of M8 steel expansion bolts and matched flat and spring washers, and 2 pieces of M3×...
  • Page 11 Picture 2-3 Diagram of the main measuring unit wiring terminal Terminal AU should be connected with upstream transducer of the 1st path; Terminal AD should be connected with downstream transducer of the 1st path; Terminal BU should be connected with upstream transducer of the 2nd path; Terminal BD should be connected with downstream transducer of the 2nd path;...
  • Page 12 Picture 2-5 Diagram of Connection to DC power supply Note: Connect the DC power supply to the DC24V terminal of main measuring unit, connect “+” and “-” of the DC power supply to the terminals 19 and 21.  Connection to transducer Picture 2-6 Diagram of Connection to Transducer Note: Upstream and downstream transducer cables of the 1st path should be connected with terminal AU and AD respectively.
  • Page 13 Picture 2-7 Diagram of Connection to Transducer Cable Note: Core wire (red cap) of transducer cable should be connected with terminal “+”. Shielded wire (white cap) should be connected with terminal “-”.  Connection to digital output Picture 2-8 Diagram of Connection to Digital Output Note: ①...
  • Page 14 of main unit.  Connection to cumulative switch output Picture 2-9 Diagram of Connection to Cumulative Switch Output and Secondary Instrument Note: ①The positive pole and negative pole of the secondary instrument should be connected with terminals 15 and 16 of the main unit. ②Cumulative switch output is divided into passive output and active output.
  • Page 15 DC 24V Terminal PLUS Picture 2-11 Note: Output voltage DC24V, output current ≤ 20mA. ③Pulse sequence chart 10ms Picture 2-12 Cumulative Pulse Sequence Chart Note: A pulse is outputted when algebraic sum of cumulative flowrate of the meter is up to cumulative pulse equivalent in a measurement cycle, according to the cumulative pulse equivalent selected by customer (Settings of cumulative pulse equivalent refers to “Cumulative pulse equivalent”).

  • Page 16: Main Measuring Unit Display And Operating Instruction

    Picture 2-13 Diagram of Connection to Analog Output Note: ①The sum of the resistance of transmission line and the input resistance of display or recording unit should be less than 600Ω. ②The positive pole and negative pole of the display/recording unit are respectively connected to the terminals 17 and 18 of the main unit.

  • Page 17: Main Display

    1. Signal intensity indication Strong Weak 2. Signal operating status indication, details refer to Appendix A. 1) “H”---Signal relatively strong 2) “L”--- Signal too weak 3) “*”---Signal unstable 4) “>”---Flowrate exceeded 5) “S”---Searching signal 6) “X”---Transducer fault 7) “E”---Processor fault 8) “F”---Display of overflow 9) “1”---Abnormal signal of the 1 path...

  • Page 18: Menu Structure

    Cumulative flowrate（The algebraic 1000.0 sum of positive cumulative flowrate and 66.66 negative cumulative flowrate） Instantaneous flowrate +1100.0 Positive cumulative flowrate -100.0 Negative cumulative flowrate 66.66 Instantaneous flowrate 3.0105 Flowrate Run time： Run time 1.0.0 Version Version： 01-01-2011 Date： Date 08:08:00 Time Time：...

  • Page 19: Main Menu

    Picture 3-3 Menu Structure 3.4 Main Menu In main display, touch the key for at least 3 seconds to enter the main menu, as shown in picture 3-4. 1 Mounting Param. Main Menu： 2 Operating Param. 3 Function Param. 4 Digital Debugging Picture 3-4 Main Menu 5 main menus are available for the meter: 〖1 Mounting Param.〗...
  • Page 20 Picture 3-5 Enter the screen of “Enter password” by touching key, display as shown in picture 3-6. Picture 3-6 Ex-factory default password is “0000”. If password modification is needed, please refer to menu “Modify password”. If the password is wrong, it will get back to main men after the meter display as shown in picture 3-7.
  • Page 21 Touch key to confirm. Touch key to move cursor.  Outside Diameter Picture 3-8 The valid setting range of the outside diameter of the pipeline is from 20.0mm to 2600.0mm. Factory default value is 273.0mm. If the outside diameter of the pipeline is out of range, re-entry is required after meter display as shown in picture 3-9.
  • Page 22 Ex-factory default value is 11.5mm. If the pipe wall thickness is out of range, re-entry is required after meter display as shown in picture 3-12. 1.3 Wall Material Out of range！ Picture 3-12  Liner Material Picture 3-13 4 options for pipe liner material: None, Cement, Rubber and Plastic. Please select according to certain situation.
  • Page 23 Picture 3-16 2 options are available for transducer mounting mode, including mode Z and mode V. Ex-factory default is mode Z. Please refer to “Mounting Mode” for details. Attention: After setting 【1.6 Mounting Mode】, if the setting “Outside Diameter-2×(Wall Thickness + Liner Thickness) < 20mm”, meter is automatically returned to the submenu of 【1.1 Outside Diameter】...

  • Page 24: Operating Parameters

    Picture 3-19 If it is successfully saved, meter display is as shown in picture 3-20. After that, meter display gets back to main display. Picture 3-20 If failed to save, please refer to 6.1 “Remedy of common troubles”. 3.6 Operating Parameters key to select 【2 Operating Param.】, as shown in picture In main menu, touch 3-21.
  • Page 25 Picture 3-23 For wrong entry of password, it will get back to main men after the meter display as shown in picture 3-24. Enter password： Wrong entry of password！ Picture 3-24 Key function of “Enter password”: Touch key to modify the value where cursor is positioned. Touch key to confirm.
  • Page 26 Touch key to modify the value where cursor is positioned. Touch key to confirm. Touch key to move cursor.  Zero-flow Cutoff In the menu of operating parameters, select 【2.1 Zero-flow Cutoff】by touching key , as shown in picture 3-25. Picture 3-25 key to access to the submenu of “Zero-flow Cutoff”, as shown in picture Touch...
  • Page 27 Attention: Before the operation of “Collect & Cut off”, 【 2.2 Initial Flowrate】should be set to 0.000m/s and 【2.6 Initial Flowrate】should be set to “Two-way”. And then, the operation of “Collect & Cut off” can be done. After that, 【2.2 Initial Flowrate】 and 【2.6 Measuring Dir.】 must be restored to original parameters.
  • Page 28 Caution: Zero-flow cutoff cannot be freely operated in dynamic water, or measuring accuracy of the meter may be affected. After reinstallation of transducer or when original zero-flow value is cut off, key and select “Restore Defaults” to clear zero-flow to 0.000 please touch m³...
  • Page 29 the absolute value of actual value is lower than initial flowrate, the instantaneous flowrate and flowrate value displayed in conversion unit is “0”. The range of initial flowrate is 0.000m/s ~ 1.000m/s and the ex-factory default value of initial flowrate is 0.050m/s. The setting of initial flowrate is determined in accordance with the fluctuating value of the flowrate (instantaneous flowrate) in static water.
  • Page 30 Picture 3-38  Damping Coef. In the menu of operating parameters, select 【2.2 Damping Coef.】by touching key , as shown in picture 3-39. Picture 3-39 key to access to the submenu of “Damping Coef.”, as shown in picture Touch 3-40. 2.3 Damping Coef.
  • Page 31 key to select “OK” or “Cancel” and touch shown in picture 3-41. Touch key for confirmation. Picture 3-41 Select “Cancel”, meter display gets back to the menu of operating parameters. Select “OK”, meter starts to save the set parameters as shown in picture 3-42. Picture 3-42 If successfully saved, meter display gets back to the menu of operating parameters after meter display is as shown in picture 3-43.
  • Page 32 3-45. Picture 3-45 Correction Coef. is used for the correction of meter’s measuring accuracy. The range of Correction Coef. is 0.9000~1.1000. The correction of the coefficient’s ex-factory value is set in accordance with the result of each meter calibrated in real flow before ex-factory.
  • Page 33 Picture 3-48 If the set parameter is out of range, re-entry is required after meter display as shown in picture 3-49. Picture 3-49  Units of Flow In the menu of operating parameters, select 【2.5 Units of Flow】by touching key, as shown in picture 3-50. Picture 3-50 key to access to the submenu of “Units of Flow”, as shown in picture Touch...
  • Page 34 key for confirmation. Picture 3-52 Select “Cancel”, meter display gets back to the menu of operating parameters. Select “OK”, meter starts to save the set parameters as shown in picture 3-53. Parameters saving… Picture 3-53 If successfully saved, meter display gets back to the menu of operating parameters after meter display is as shown in picture 3-54.
  • Page 35 Picture 3-56 Meter’s measuring direction includes one-way and two-way. The factory default direction is two-way. For the condition of meter working in the mode of one-way, the instantaneous flowrate value less than “0” shall be dealt as “0” value, not included in cumulative flowrate (Algebraic sum of the positive and negative cumulative flowrates).
  • Page 36 The meaning of “Restore Param.” is to restore the saved meter mounting parameters, which is saved in normal operation after debugging and mounting. The work of saving parameters is finished by the debugging personnel of our company. Caution: The operation shall be made only when meter is in abnormal status. key to select 【2.7 Restore Param.】...

  • Page 37: Function Parameters

    Picture 3-63 If successfully saved, meter display is as shown in picture 3-64, and then gets back to main display screen. Picture 3-64 3.7 Function Parameters key to select 【3 Function Param.】, as shown in picture In main menu, touch 3-65.
  • Page 38  Submenu instruction Key function of the submenu: Touch key to modify the value where cursor is positioned. Touch key to confirm. Touch key to move cursor. For below each function parameter submenu, after clicking key for confirmation, if the set parameters are same with original parameters, meter display gets back to the menu of operating parameters after touching key.
  • Page 39 shown in picture 3-70. Function： 3.1 Baud Rate 3.2 Comm. Address Analog Quantity Full Scale Picture 3-70 key to access to the submenu of “Baud Rate”, as shown in picture 3-71. Touch Picture 3-71 Baud rate is the number of bytes transferred per second from RS-485 interface when communicating.
  • Page 40  Analog Quantity key to select 【3.3 Analog Quantity】 , In the menu of function parameters, touch as shown in picture 3-74. Picture 3-74 key to access to the submenu of “Analog Quantity”, as shown in picture Touch 3-75. Picture 3-75 The selection of analog quantity is used for setting the type of output variable of the meter analog quantity.
  • Page 41 Full scale of analog quantity is the corresponding positive value of the instantaneous flowrate when setting output full scale (20mA or 10mA) of analog quantity. That is to say, when the positive value of instantaneous flowrate is more than or equal to the set value of full scale of analog quantity, the current outputs full scale value.
  • Page 42 Page 24), 8 options are available for cumulative pulse equivalent, including 0.0m³ , 0.1m³ , 0.5m³ , 1.0m³ , 5.0m³ , 10.0m³ , 50.0m³ and 100.0m³ . When the unit settings are L and L/s for meter’s current cumulative and instantaneous flowrates (For details, please refer to the menu of “Units of Flow”), 8 options are available for cumulative pulse equivalent, including 0.0L, 100.0L, 500.0L, 1000.0L, 5000.0L, 10000.0L, 50000.0L and 100000.0L.
  • Page 43 Picture 3-81 Memory time is the time took by meter to store cumulative flowrate. Cumulative flowrate is stored according to settings of day, hour and minute. Storage mode of meter includes “Stored by Month” and “Stored by Day”. The meter synchronizes historical data stored by day and by month.
  • Page 44 Picture 3-83  Modify Password Modifying password is to modify the password accessing to the menus of “Mounting Param.” and “Operating Param.” Password consists of 4 characters, selected from "0~9" and "A~Z". In the menu of “Function Param.”, select 【3.8 Modify Password】 by touching key, as shown in picture 3-84.

  • Page 45: Digital Debugging

    Picture 3-86 After inputting new password, touch key for confirmation and meter display is as shown in picture 3-87. In the end, meter display is returned to the menu of “Function Param.” Picture 3-87 For wrong entry of password, meter display is as shown in picture 3-88 and returned to the menu of “Function Param.”...
  • Page 46 Touch key to switch submenu.  Signal Intensity For meter display of picture 3-89, access to submenu of “Digital Debugging”by key , then submenu of 【4.1 Signal Intensity】 , as shown in picture 3-90. touching Switch acoustic path by touching key.

  • Page 47: Historical Data

    Picture 3-92 “Q” represents the evaluation of signal quality. “N” represents the times of continuous invalid measurement. Note:  Meter in normal measurement status: Q≥60%  Meter in the best measurement status: Q=100%  Meter in the best measurement status: N=0 ...
  • Page 48 Picture 3-94 Access to menu of “Historical Data” by touching key, as shown in picture 3-95. Picture 3-95 2 submenus for the menu of “Digital Debugging”:  〖5.1 Stored by Month〗 〖5.2 Stored by Day 〗 Key function: Touch key to switch menu; Touch key to enter main menu;...
  • Page 49 Picture 3-96 Access to submenu of “Stored by Month” by touching key , as shown in picture 3-97. Picture 3-97 The left side of display screen is the memory date of historical data, and the right side of that is the cumulative flowrate (Unit: m³ ) store by month. Ranked according to memory time, historical data can be checked after page turning by touching key.

  • Page 50: Parameter And Setting Instruction

    Picture 3-100 The left side of display screen is the memory date of historical data, and the right side is the cumulative flowrate (Unit: m³ ) stored by day. The historical data is arranged according to the storage time, which can be viewed by touching key.
  • Page 51 Liner Thickness 0.0mm Setting range: 0.0mm~200.0mm Mounting mode of transducer includes mode Z and Mounting Mode mode V. Details of mounting mode refer to Mode Z “Mounting Mode”. Mounting distance is the pipeline’s axial distance between 2 transducers of same acoustic path. After Mounting setting of meter’s parameters, conversion unit Distance...
  • Page 52 address range is 001~199. Address Full scale of analog quantity is the corresponding positive value of the instantaneous flowrate when setting output full scale of analog quantity. That is to say, when the positive value of instantaneous flowrate is more than or equal to the set value of full scale of analog quantity, the current outputs full scale value.
  • Page 53 output is closed. Memory time is the time took by meter to store Stored cumulative flowrate. Cumulative flowrate is stored month: 00:00 according to settings of day, hour and minute. Storage mode of meter includes “Stored by Month” of 1 of each and “Stored by Day”.
  • Page 54 After setting of correction coef. to 1.1000, the instantaneous apparent value of the meter should be 110.00 m3/h. Caution: Correction coef. cannot be freely modified, or the measuring accuracy of the meter may be affected. Initial flowrate refers to the minimum flow velocity value at which the meter starts measurement.

  • Page 55: Transducer Installation And Operation Instruction

    7 options of Damping Coef.: 1, 10, 20, 30, 40, 50 and 60. 5. Transducer Installation and Operation Instruction 5.1 Technical Parameters of Transducer Table 5-1 Technical Parameters of Transducer SCL-80 Insertion-type SCL-82 Clamp-on-type Transducer Performance Ultrasonic Flowmeter Ultrasonic Flowmeter...

  • Page 56: Dimensions Of Transducer

    Normal temperature version: Temperature of -40℃~+45℃ -40℃~+70℃ working environment High temperature version: -40℃~+70℃ Weight (One pair) 2kg (10m cables included) 1kg (10m cables included) Protection class IP68 Cable length (Wiring 10× nm, n: 1~30 10× nm, n: 1~20 distance) 5.2 Dimensions of Transducer Picture 5-1 Insertion-type Transducer Table 5-2 Pipe Wall Thickness Adaptable of Insertion-type Transducers Type...

  • Page 57: Model Selection Of Transducer

    Picture5-2 Clamp-on-type Transducer 5.3 Model Selection of Transducer 5.3.1 Insertion-type transducer Features: 1. Insertion-type transducers are in direct contact with the measured fluid, which can improve meter’s reliability. 2. It solves the problem that clamp-on-type transducer cannot stably work for a long period of time.

  • Page 58: Installation Of Transducer

    2. It is the ideal choice for the pipeline that don’t need for flow monitoring for a long period of time. Applications: adaptable to pipelines that can be penetrated by ultrasonic wave, such as steel, cast iron, PE, PVC and etc. 5.4 Installation of Transducer 5.4.1 Mounting position of transducer ...
  • Page 59 l>10D Reducer l>10D Valve Flow control valve on the Flow control valve on the upstream side downstream side Pump Note: D is the inner diameter of the pipe (3) Enough space is required for the installation of transducer, see picture 5-3. The size of cement pipe L＞1500mm, other pipes L＞800mm, see picture 5-3(b).
  • Page 60 Picture 5-4 Transducer Mounting Position Illustration (3) On a horizontal pipe, the transducer installation position should be within ± 45° from the horizontal line, as shown in picture 5-5. (Take the insertion-type transducer as an example) Picture 5-5 (4) Never install transducer at the places where the pipe surface is uneven or near welded point.

  • Page 61: Installation Of Insertion-Type And Clamp-On-Type Transducers

    5.4.2 Installation of insertion-type and clamp-on-type transducers 5.4.2.1 Installation tools Table 5-5 Installation Tools Couplant Thickness （For Marking Pen Meter （Separate Tape Paper Tape clamp-on-type Teflon Tape （ Separate order） transducer order） only） Note: Above object photos are for reference only. 5.4.2.2 Determination of parameters and Installation mode (1) Outside diameter (Use a tape to measure the pipe OD) Attention: For a pipe with a corrosion resistant coating on its outer wall, the...
  • Page 62 Picture 5-6 Z mode If the pipe is too big in size or the fluid contains suspended matters or scale deposit on pipe inner wall is too thick or a pipe liner with a greater thickness is used, the normal operation of the meter with its transducers mounted in V mode may be affected due to weakness of signal.
  • Page 63 Pressure Φ89 Φ138 Φ200 Φ160 Φ19 DN80 Φ158 Φ220 Φ180 Φ19 Φ108 DN100 Φ162 Φ235 Φ190 Φ23 Φ250 Φ210 Φ19 Φ133 Φ188 DN1125 Φ270 Φ220 Φ27 Picture 5-7 (a)
  • Page 64 Pressu Φ212 Φ285 Φ240 Φ23 Φ159 DN150 Φ218 Φ300 Φ250 Φ27 Φ268 Φ340 Φ295 Φ23 Φ219 DN200 Φ278 Φ360 Φ310 Φ27 Φ395 Φ350 Φ23 Φ320 Φ273 Φ405 Φ355 Φ27 DN250 Φ335 Φ425 Φ3740 Φ30 Φ370 Φ445 Φ400 Φ23 Φ325 Φ378 Φ460 Φ410 Φ27...

  • Page 65: Marking Off

    Φ438 Φ520 Φ470 Φ27 Φ450 Φ555 Φ490 Φ33 Φ482 Φ565 Φ515 Φ27 Φ426 Φ490 Φ580 Φ525 Φ30 DN400 Φ505 Φ620 Φ550 Φ36 Φ532 Φ615 Φ565 Φ27 Φ480 Φ550 Φ640 Φ585 Φ30 DN450 Φ555 Φ670 Φ600 Φ36 Φ585 Φ670 Φ620 Φ27 Φ530 Φ610 Φ715...

  • Page 66: Installation Of Insertion-Type Transducer

    (1) After setting above mounting parameters in the conversion unit, mark the transducer mounting line on pipe according to the meter’s displayed mounting distance (For details, refer to the “Mounting Distance”). (2) Marking tools A paper tape with a length greater than pipe perimeter and a width of about 200mm (A piece of printing paper is okay), mark pen and measuring tape (See Table 5-5).
  • Page 67 (1) Installation of base and valve a. Wieldable metal pipe Weld the base provided by the manufacturer onto the pipe. Make sure that the cross line marked on the base coincides with that drawn on the pipe. Picture 5-8 b. Non-wieldable pipe In case of cast-iron pipe or non-metal pipe on which the metal base can’t be welded, a stainless-steel clamping device provided by the manufacturer should be used for fixing the base onto the outer surface to the pipe.
  • Page 68 Picture 5-10 Attention: ① Be sure to clockwise wrap the teflon tape around the base thread, and screw ball valve on the base with spanner for avoiding fluid leakage after drilling. ② The connection threads at both ends of the ball valve are slightly different, as shown in picture 5-11.
  • Page 69 Picture 5-12 Installation Diagram (2) Drilling Caution: The drilling is made under the fluid pressure of the pipe system (permissible pressure < 1MPa), so below drilling procedure should be make for avoiding liquid leakage and accident. Picture 5-13 Structure Diagram of Drilling Machine Drilling Procedure: ①...
  • Page 70 onto the ball valve ② Turn the control handle in clockwise direction to make the drill close to pipe wall. ③ Open the iron-dust drain port ④ Connect hand-held drill and drill rig with connection sleeve . Secure universal joint with the clamp of the hand-held drill ⑤...
  • Page 71 handle to allow the bit to retract into the threaded bush for valve connection. ⑨ Close the ball valve, remove drilling machine, and finish the drilling. Caution: Check for any fluid leakage in the seal between ball valve and base. In case of fluid leakage, stop immediately mounting of transducer and take remedial measures in time.
  • Page 72 Picture 5-17 Caution: When installing transducer, the operation personnel should stand on the vertical side of transducer and pipe (See picture 5-18). Picture 5-18 ③ Retract the transducer rod 1 back into the connection nut 3 position, as shown in picture 5-19.
  • Page 73 Picture 5-20 Caution: Check for any fluid leakage from the connection between the ball valve and connection nut. In case of fluid leakage, close the ball valve and repeat the step ④ . ⑤ Push transducer rod 1 into the pipeline, and measure the length of transducer outside the pipe to make transducer reach the required mounting depth: L = M-t-5 (The “t”...

  • Page 74: Installation Of Clamp-On-Type Transducer

    Picture 5-22 ⑦ Hold the transducer and clockwise tight the screw nut. Then the installation is finished. Picture 5-23 5.4.2.5 Installation of clamp-on-type transducer (1) Sectional fixture of clamp-on-type transducer Picture 5-24 Sectional Fixture of Clamp-on Transducer (2) Installation of clamp-on-type transducer ①...
  • Page 75 Picture 5-25 ② Wind a steel rope around the pipe to make sure that the mark lines of the square frame coincide with the cross line on the pipe. ③ Tighten the 2 bolts to secure the steel rope is securely tied on the pipe. Picture 5-26 ④...

  • Page 76: Cable Laying

    Picture 5-27 ⑥ Install another transducer at the other mounting point in the same method, noting that the two transducers lead in opposite directions. The installation effect is shown in the picture 5-28. Picture 5-28 ⑦ Observe and measure the signal strength of main unit, and fine-tune the horizontal or vertical position of the transducer to maximize the signal strength.

  • Page 77: Troubleshooting And After-Sales Commitment

    25mm. For overhead cable line with the span between two adjacent cable posts exceeding 10m, rein-forced line should be used to guard against breaking due to excessive wind blow. 6. Troubleshooting and After-sales Commitment 6.1 Common Troubleshooting Table 6-1 List of Common Troubles Trouble Cause Solutions...
  • Page 78 Clamp-on-type transducer: 1.Re-grind and polish mounting 1.Mounting point on points; pipe not well 2.Re-mount transducers; grounded; 3.Apply more coupling agent and 2. The fastening is re-mount transducers; loose; 4. Dismount transducers. Re-apply 3. Too little coupling coupling agent and re-mount agent;...

  • Page 79: After-Sales Commitment

    of parameters. Details refer to the menu of “Mounting Distance” 6.2 After-sales commitment Huizhong Instrumentation Co., Ltd. operates by adhering to the principle of “being user’s most trustworthy friend, providing users quality products and timely good after-sales service”. Our Specific commitments are as follows: 1.
  • Page 80 JYG-2406405C(R)-GS6L2-VU(JY97100H) A.2 Instrument parts description Instrument accessories vary according to different instruments and user requirements, Huizhong will be equipped with accessories that meet the requirements according to the specific situation, the specific content is listed in the shipping list. Appendix B Instruction of Instrument Working Status Indication Symbol Status Meaning...
  • Page 81 power supply Overrun of flow Adjust flow velocity to be “＞” Flow velocity beyond 12m/s velocity within flow velocity range “S” appears when power is on and disappears few minutes later, and then meter enters into measuring status. In case “S” Refer to above “*”and “L”...
  • Page 82 Huizhong Instrumentation Co., Ltd. Address: No.126 West Gaoxin Road, High Tech Industrial Development Zone, Tangshan, Hebei, China Service Hotline: 400-612-5080 Post Code: 063020 E-mail: info@hzyb.com Web: https://en.huizhong.co All rights reserved. Technical parameters are subject to change without prior notice.

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