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TDS-100H Handhold Ultrasonic Flowmeter Ver.8.08 - 13 -

method.

§2.8.3 Z-method Installation

Z-method is commonly used when the pipe diameter is between 300 millimeters and 500
millimeters.

§2.8.4 W-method Installation

W-method is usually used on plastic pipes with a diameter from 10 millimeters to 100
millimeters

S e n s o r s S p a c i n g

T O P V I E W O F P I P E

T O P V I E W O F P I P E

S e n s o r s S p a c i n g

T O P V I E W O F P I P E

S e n s o r s S p a c i n g

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Summary of Contents for TDS-100H

Page 1: ...tion 11 2 8 Transducers Installation 12 2 8 1 Transducers Spacing 12 2 8 2 V method Installation 12 2 8 3 Z method Installation 13 2 8 4 W method Installation 13 2 8 5 N method Installation 14 2 9 Installation Checkup 14 2 9 1 Signal Strength 14 2 9 2 Signal Quality 14 2 9 3 Total Transit Time and Delta Time 14 2 9 4 Time Ratio between the Measured Total Transit Time and the Calculated Time 15 3 H...

Page 2: ...dify the built in calendar 19 3 21 How to adjust the LCD contrast 20 3 22 How to use the RS232 serial interface 20 3 23 How to view the Date Totalizers 20 3 24 How to use the Working Timer 20 3 25 How to use the manual totalizer 20 3 26 How to check the ESN and other minor details 20 3 27 How to know how long the battery will last 20 3 28 How to charge the built in battery 20 4 Menu Window Details...

Page 3: ...nx The hardware features the ease of operation high accuracy and outstanding reliability while the software provides a very user friendly interface and much more functions It employs a patent balanced lower voltage multi pulse igniting circuit which increases the anti interference ability magnificently so that the flow meter will work properly even in demanding industrial environments such as thos...

Page 4: ...mes or in Z method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once This selection of the mounting method depends on pipe and liquid characteristics The flow meter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to trav...

Page 5: ... C D D I S P L A Y K e y p a d L E D C h a r g i n g I n d i c a t o r R S 2 3 2 C c o m m u n i c a t i o n i n t e r f a c e P i n s f o r b a t t e r y r e c h a r g e B o t t o m v i e w Top vierw d o w n s t r e a m t r a n s d u e r s o c k e t u p s t r e a m t r a n s d u e r s o c k e t U P D N HANDHOLD FLOWMETER VER 8 08x32 ESN 200408008H ...

Page 6: ...u e T e r m i n a l 5m R e d T e r m i n a l B l u e T e r m i n a l R e d T e r m i n a l 5m R e d T e r m i n a l B l u e T e r m i n a l B l u e T e r m i n a l R e d T e r m i n a l S t a n d a r d H S 2 0 m m 1 0 0 m m O p t i o n a l A c c e s s a r i e s E x t e n d e d C a b l e 5 m x 2 O p t i o n a l A c c e s s a r i e s ...

Page 7: ...n non volatile flash memory that can store them for over 100 years even if power is lost or turned off Password protection is provided to avoid inadvertent configuration changes or totalizer resets A time keeper is integrated in the flow meter for the index of date totalizing and works as the time base of flow accumulation It keeps operating as long as the battery s terminal voltage is over 1 5V I...

Page 8: ...all liquids Security Setup values Modification Lockout Access code needs unlocking Display 4x8 Chinese characters or 4x16 English letters Communication Interface RS 232C baud rate from 75 to 57600 Protocol made by the manufacturer and compatible with that of the FUJI ultrasonic flow meter User protocols can be made on enquiry Transducers Model M1 for standard other 3 models for optional Transducer...

Page 9: ... approximate battery working time from the battery voltage A software battery working time estimator is integrated in this instrument based on the terminal voltage Please note that the estimator may have relatively bigger errors in the estimated working time especially when the voltage is in the range of around 3 70 to 3 90 volt 2 2 Power On Press the ON key to switch on the instrument and press t...

Page 10: ...or wants backspace the left character that is located to the left of the cursor Key ENT is the ENTER key for any inputting or selections Key MENU is the key for the direct menu window jump over Whenever the user wants to proceed to a certain menu window the user can press this key followed by 2 digit numbers The MENU key is shortened as the M key afterward when referring to the menu windows The ON...

Page 11: ...en either make the selection by pressing the and keys to make the cursor on the line that displays 1 Stainless Steel or make the selection by pressing the 1 key directly Generally the ENT key must be pressed to enter a modification mode If the Locked M47 Open message is indicated on the lowest line of the LCD display it means the modification operations is locked out In such cases the user should ...

Page 12: ...ck up the Space displayed on M25 and install the transducers accordingly For standard pipe materials and standard liquids the following detailed step by step setup is recommended 1 Press keys MENU 1 1 to enter M11 window to input the digits for the pipe outer diameter and then press ENT key 2 Press key to enter M12 window to input the digits for the pipe outer diameter and then press ENT key 3 Pre...

Page 13: ...NT key and the user will go to M90 press ENT key to return Press the dot key to go to M11 3 When the window display is under M25 press ENT key to go to M01 2 7 Transducers Mounting Allocation The first step in the installation process is the selection of an optimum location in order to obtain a more accurate measurement For this to be completed effectively a basic knowledge about the piping and it...

Page 14: ...piping system The measurement is realized by measuring the traveling time difference of the ultrasonic signals Since the difference is very small the spacing and the alignment of the transducers are critical factors to the accuracy of the measurement and the performance of the system Meticulous care should be taken for the installation of the transducers Steps to the installation of the transducer...

Page 15: ...pe diameter is between 300 millimeters and 500 millimeters 2 8 4 W method Installation W method is usually used on plastic pipes with a diameter from 10 millimeters to 100 millimeters Sensors Spacing TOP VIEW OF PIPE T O P V I E W O F P I P E S e n s o r s S p a c i n g T O P V I E W O F P I P E S e n s o r s S p a c i n g ...

Page 16: ...table and reliable flow reading or if the signal strength is lower than 700 2 Try to polish the outer surface of the pipe and apply more coupler to increase the signal strength 3 Adjust the transducers both vertically and horizontally while checking the varying signal strength stop at the highest position and then check the transducers spacing to make sure the transducers spacing is the same as wh...

Page 17: ...sured Total Transit Time and the Calculated Time This ratio would be used to check the transducer installation If the pipe parameters are entered correctly and the transducers are installed properly the value for this ratio should be in the range of 100 3 If this range is exceeded the user should check 1 If the pipe parameters are correctly entered 2 If the actual spacing of the transducers is rig...

Page 18: ...rs to the RED transducers 3 3 How to change between units systems Use menu window M30 for the selection of unit system in English or Metric system 3 4 How to select a required flow rate unit Use menu window M31 to select the flow unit first and then the timing unit 3 5 How to use the totalizer multiplier Use window M33 to select a proper totalizer Make sure that the totalizer pulse is appropriatel...

Page 19: ...ff value The low cutoff value does not affect the flow measurement when the actual flow is absolutely greater than the low cutoff value 3 11 How to setup a zero point There exists a Zero Point with certain installation which means the flow meter will display a non zero value when the flow is absolutely stopped In this case setting a zero point with the function in window M42 will bring a more accu...

Page 20: ...h other instruments The Frequency Output is totally user configurable Generally four parameters should be configured for the setups Enter the lower flow rate value in window M68 and the higher flow rate value in window M69 Enter the frequency range in window M67 For example assume that the flow rate varies in a range 0m3 h to 3000m3 h and an output signal is at a maximum frequency of 1000Hz the mi...

Page 21: ...can be user configurable through M73 M74 M75 M76 For example assume that the Buzzer should start beeping when the flow rate is less than 300 m3 h and greater than 2000m3 h the following steps for setups would be recommended 1 Enter 300 under M73 for 1 alarm low flow rate 2 Enter 2000 under M74 for 1 alarm high flow rate 3 Select the item reading like 6 Alarm 1 under M77 3 18 How to use the built i...

Page 22: ...ow long a fully charged battery will last Under M72 press ENT key and then select YES to reset the timer 3 25 How to use the manual totalizer Use M28 for the manual totalizer Press ENT key to start and stop the totalizer 3 26 How to check the ESN and other minor details Every set of the TDS 100 series flow meter utilizes a unique ESN to identify the meter The ESN is an 8 digit number that provides...

Page 23: ...pipe M11 Window for entering the outer diameter of the pipe 0 to 6000mm is the allowed range of the value M12 Window for entering pipe wall thickness M13 Window for entering the inner diameter of the pipe M14 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 6 aluminum ...

Page 24: ...28 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 M29 Enter a value ranging from 000 to 999 0 is the default value M30 Window for selecting unit system Default value is Metric The change from English to Metric or vice versa will not affect the unit for totalizers M31 Window for sel...

Page 25: ...n 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 M47 System locker to avoid modification of the parameters M48 Not used M49 Communication tester M50 Option selection for the built in logger It also functions as the switch of logger M51 Time setup for the data logger M52 1 Data logging d...

Page 26: ...trigger the 1 Alarm M75 Enter the lower flow rate value that will trigger the 2 Alarm M76 Enter the higher flow rate value that will trigger the 2 Alarm M77 Buzzer setup If a proper input source is selected the buzzer will beep when the trigger event occurs M78 OCT Open Collect Transistor Output setup By selecting a proper input source the OCT hardware will close when the trigger event occurs M79 ...

Page 27: ...32C serial interface M99 Command to copy the current display either to the built in data logger or to RS 232C serial interface M 0 Browse the 64 recorded instrument power on and power off date and time with the flow rate at the time of power on and off M 1 Displays the total working time of the instrument M 2 Displays the last power off date and time M 3 Displays the last power off flow rate M 4 D...

Page 28: ...nstalled improperly 3 Too much fouling 4 Pipe liners are too thick 5 Transducer cords are not properly connected 1 Relocate measuring location 2 Clean the spot 3 Check the cords J Hardware Error Hardware problem Contact the factory H PoorSig Detected 1 Poor signal detected 2 Transducers installed 1 Relocate measuring place 2 Clean the spot Error message causes Counter measures ROM Testing Error Se...

Page 29: ...till but the instrument displays 0 0000 for the flow rate and R displaying signal strength and the signal quality Q value has a satisfactory value The problems are likely caused by the user who has used the Set Zero function on this non standstill flowing pipe To solve this problem use the Reset Zero function on menu window M43 2 The displayed flow rate is much lower or much higher than the actual...

Page 30: ...8 28 times halfway d There is indeed a time difference between the actual working time and the estimated one especially when the terminal voltage is in the range 3 70 and 3 90 volt Please refer to battery voltage for a closer estimated working time ...

Page 31: ...g in ASCII format ending with a carriage CR and line feed LF Commonly used commands are listed in the following table Command Function Data Format DQD CR Return flow rate per day d ddddddE dd CR LF DQH CR Return flow rate per hour d ddddddE dd CR LF DQM CR Return flow rate per minute d ddddddE dd CR LF DQS CR Return flow rate per second d ddddddE dd CR LF DV CR Return flow velocity d ddddddE dd CR...

Page 32: ...t The IDN is a single byte value ranging 00 255 P Prefix before any command Command connector to make a longer command by combining up to 6 commands Notes CR stands for Carriage Return and LF for Line Feed d stands for the 0 9 digit numbers stands for the key value e g 30H for the 0 key 6 3 Protocol Prefix Usage 1 Prefix P The prefix P can be added before any command in the above table to have the...

Page 33: ... programming much easier For example assume that the measurement of an instrument with IDN 4321 are going to be returned and then all the following 3 values 1 flow rate 2 velocity 3 POS totalizer will be returned simultaneously The combined command would be W4321DQD DV DI CR and the result would be 1 234567E 12m3 d CR 3 1235926E 00m s CR 1234567E 0m3 CR 6 4 Codes for the Keypad The codes for the k...

Page 34: ...he instrument we recommend that our customers send back the instrument to our factory for service due to the fact that the instrument is made of microprocessors and it will be difficult to perform field maintenance Before sending back the instrument please try to contact the factory first to make sure what the problem is For other operational problems please contact our service department by telep...

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