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Inflow Tee

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Out of Plane Multiple Bends

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Valve

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Pump

§9.2.B Prepare the Pipe Surface

Clean the pipe surface where the transducers will be mounted. Remove rust and paint. Sand the surface if

not smooth. Use a wet cloth to wipe off the powder after sanding. Dry up the surface. A dry, clean surface

will ensure a good acoustic bond between the transducer and the pipe.

Содержание RH40

Страница 1: ...nsducers and temperature sensors makes the installation hassle free No special skills or tools are required The Li Ion battery allows the user to measure flow and energy for an extended period of time...

Страница 2: ...er conservation management Cooling system and air conditioning glycol solutions Water including hot water chilled water city water sea water and more Sewage and drainage water with small particle quan...

Страница 3: ...ucer Spacing 30 3 4 Installation Checkup 31 3 4 A Signal Strength 31 3 4 B Signal Quality 32 3 4 C Total Transit Time and Delta Time 33 3 4 D Transit Time Ratio 33 4 How To 34 4 1 How to check if the...

Страница 4: ...he Working Timer 39 4 24 How to use the manual totalizer 39 4 25 How to check the ESN 40 4 26 How to check the battery life 40 4 27 How to calibrate the flow meter 40 5 Menu Window Details 41 6 Troubl...

Страница 5: ...nd Battery Maintenance 57 9 2 Transducer Installation Guide 57 9 2 A Find the mounting site 57 9 2 B Prepare the Pipe Surface 58 9 2 C Prepare the Transducer 59 9 2 D Install the Transducers 59 9 3 Pi...

Страница 6: ...types of transducers you may choose for your application HS and HM transducers have mounting rails They are therefore easy to install You may need a clamping strap to secure the mounting rail to the p...

Страница 7: ...selecting the right site In order to achieve high accuracy we recommend using a pipe with at least a 15D straight pipe run upstream 10D and downstream 5D where D is pipe diameter A longer upstream str...

Страница 8: ...8 1 2 Parts Identification Charger with Adapter RM Transducer RS2 Transducer Temperature Sensors LF Transducer optional Clamping Strap...

Страница 9: ...9 HM type 2 28 HS type L1 type Optional Transducer Cable 5m x 2 Extension Cable 5m x 2 Optional USB Cable Complete RH40 Kit including carrying case measuring tape nylon clamping straps and software CD...

Страница 10: ...etained even when the power is disconnected or turned off Password protection is provided to avoid inadvertent configuration changes or totalizer resets A time keeper is integrated in the flow meter I...

Страница 11: ...l of the last 128 days the monthly total of the last 64 months and the yearly total of the last 5 years Data Logger 150 000 measured values Communication Interface Bluetooth and RS232 Supports the MOD...

Страница 12: ...ully recharged it will last over 8 hours of operation AC power supply to charge batteries Note This accuracy rate is only applicable under the reference conditions and with a velocity above 0 5 ft s F...

Страница 13: ...e current becomes smaller and smaller throughout the charging process As a result there should be no problems with over charging This also means that the process of bringing the device to full power c...

Страница 14: ...al quality and transit time ratio These readings are based on the most recent pipe parameters configured or by the initial program The flow measurement will keep running in the background without chan...

Страница 15: ...the enter key to confirm or acknowledge any input or selections The Ex key is the exit or backspace key The key is used to view measurements The key is used to navigate up or to add numbers together...

Страница 16: ...S Q R S7 Diagnose Triplet 2 Set Pipe S21 Enter OD S22 Set Wall TH S23 Set ID S24 PipeMaterial S25 Set Liner Exit 3 Set Fluid S31 Fluid Type S32 Sound Speed S33 Viscosity Exit 4 Transducer S41 Transduc...

Страница 17: ...g Items 1 Basic 4 items 2 All 16 items 3 Exit 2 Schedule L11 Log Interval L12 Start Time L13 Stop Time Exit 3 Save To L20 Save Log to File 4 View Log L30 Choosesaved file 5 Clear Log L40 Choosesaved f...

Страница 18: ...18 CAL 1 Zero Cal C10 Zero Cal instructions 2 Linear Cal C21 Man totalizer C22 Linear Table Exit 3 0 4 20 mA Cal C31 Verify C32 Calibrate Exit 4 Temperature Cal C41 T1 T2 C42 Calibrate Exit Exit...

Страница 19: ...g TOT Reset M46 Eng Multiplier M45 Flo TOT Reset M44 Flo NEG on off M43 Flo POS on off M42 Flo NET on off M41 Flo Multiplier 3 Input Output 9 Exit M38 Batch Control M37 Alarm M36 Buzzer M35 Freq Outpu...

Страница 20: ...20 6 Heat Energy M61 Location M62 Temperature 3 Exit 7 Calculator 8 Misc 9 Exit M81 Max flow rate M82 Last pwr off M83 Pwr on time 4 Exit...

Страница 21: ...empty pipe LOG Log Items Windows to set up data logging This includes logging a basic set of 4 items or logging all 16 items LOG Schedule Windows to set up schedule for data logging This includes logg...

Страница 22: ...d 4 keys consecutively Then press the ENT key Key in the new scale factor of the transducer pair you are planning to use Press ENT to confirm Step 2 Enter pipe info All pipe parameters can be entered...

Страница 23: ...evious step the flow meter already has the sound speed data Therefore skip this step and go on to the next Otherwise exit to the main screen and press keys S32 Press ENT and key in the sound speed of...

Страница 24: ...er diameter Press ENT again to save Press the down arrow d You should see the S2b Enter Pipe Wall Thickness window Press ENT to edit the wall thickness Press ENT again to save Press the down arrow e Y...

Страница 25: ...the S4c Enter Transducer Scale Factor window Press the ENT key to edit Enter in the scale factor of the transducer pair you are planning to use Press ENT key again to save Use the arrow to exit k Pre...

Страница 26: ...the straight pipe at the upstream side is at least 10D and the downstream is at least 5D The transducer installation site should be at least 30D away from the pump Refer to Table A for more details 2...

Страница 27: ...5D 5D 5D 5D L up L dn 30D 5D L up L dn 3 2 Transducer Installation The transducers used by the RH40 Series Ultrasonic Flow Meter are made out of piezoelectric crystals for both transmitting and recei...

Страница 28: ...H40 is not designed for contact with hazardous materials 3 Clean any dust and or rust off the spot where the transducers are to be installed For better results polishing the pipe s outer surface with...

Страница 29: ...lockwise to tighten using a screwdriver or a wrench 7 Install the transducers and space them carefully See Appendix 9 2 for specifics on the HM and HS transducers The spacing value shown on window S15...

Страница 30: ...his range can interfere with accuracy This method doubles the sound path thus ensuring an accurate measurement Sensors Spacing TOP VIEW OF PIPE Z Method Installation The Z method is commonly used for...

Страница 31: ...that the flow meter is working properly for the most reliable and accurate results 3 4 A Signal Strength Signal strength represented as S is a 3 digit number that represents the amplitude of the rece...

Страница 32: ...her Signal to Noise Ratio SNR Higher signal quality yields a higher degree of accuracy Under normal pipe conditions the Q value should be in the range of 60 to 90 A higher quality is always more desir...

Страница 33: ...surement There may be insufficient couplant between the transducers and the pipe surface The transducers may not be spaced correctly or may have been placed in a non favorable location Either of these...

Страница 34: ...en R is displayed the device is working properly 2 If an H flashes then the received signal may be poor See Section 6 for more on troubleshooting 3 If an I is displayed then no signal was detected 4 I...

Страница 35: ...izer multiplying factor is too small the output pulse will be very fast and there could be a loss of pulses The designed minimum pulse is 500 milliseconds If the totalizer multiplying factor is too la...

Страница 36: ...e besides zero at the time zero velocity is set all future results will be skewed This window can be accessed by pressing the following series of keys CAL Zero Cal Press the ENT key to start the zero...

Страница 37: ...o view saved data in the logger buffer This window can be accessed using the following series of keys LOG View Log 6 Use window L40 to clear any unwanted logging data remaining in the RS 232C interfac...

Страница 38: ...e devices Example Assume that the POS totalizer pulse output is needed and every pulse represents 0 1 cubic meter of liquid flow Assume also that the pulse output is connected to an internal buzzer Wi...

Страница 39: ...t The adjusted results will be stored in the EEPROM so that the MASTER ERASE factory default restoration will make no effect on the contrast M312 may be accessed as follows M Input Output M31 Display...

Страница 40: ...n window M56 which can be accessed by pressing buttons M 5 and 6 consecutively 4 27 How to calibrate the flow meter There are 4 calibration functions for the RH40 Zero Calibration Linear Calibration 0...

Страница 41: ...Gasoline 15 Alcohol 16 Hot water at 125C S4 Set Transducer Parameters S4a Window for selecting transducer type There are 30 different types of transducers for selection The user needs to configure the...

Страница 42: ...d 1 Z method 2 N method 3 W method S43 Mount Space Window to display the transducer mounting space or distance S44 Scale Factor Window to set the flow rate scale factor The factory default is 1 Keep t...

Страница 43: ...w rate measurement program Note the pipe factor is rarely used Input Output M31 Display M311 Main window Window to control main window display Choose between flow rate velocity TOT POS and ENERGY RATE...

Страница 44: ...he parameters before doing the restoration M4 6 Eng Multiplier Window to set the multiplying factor for the Eng totalizer M4 7 Eng TOT Reset Window to reset the Eng totalizer M4 8 Daily TOT Window to...

Страница 45: ...ent battery voltage M57 System Lock Window to set up systems lock to avoid modification of the system parameters M58 Work Timer Working timer It can be reset by pressing ENT key and then select YES He...

Страница 46: ...t the system 2 Contact the manufacturer System Clock Slow or Fast Error Problem with the system clock or the crystal oscillator CPU or IRQ Error Problem with RAM chip System RAM error Problem with RAM...

Страница 47: ...r 120 Improper settings for current loop output 1 Ignore it if current loop output is not used 2 Check current loop settings in menu window M32 3 Confirm if the actual flow rate is too high Q Frequenc...

Страница 48: ...Re install the transducers carefully 3 The zero calibration was set wrong Press keys C1 and redo the zero calibration setup The flow inside the pipe needs to be at a standstill This menu can be acces...

Страница 49: ...ales inside the pipe and that the pipe is properly rounded not distorted This way the sound waves will not bounce outside of the intended area For pipe with a thick scale inside or outside try to clea...

Страница 50: ...PC software either Hyper Terminal or StufManagerTM software 7 2 Connect the Flowmeter to a PC A standard USB cable and serial cable are provided with your RH40 unit Plug the serial cable into the port...

Страница 51: ...isit the following technical support website for more information on PC software http www spiremt com support rh20 html 7 5Communication Protocol The protocol is comprised of a set of basic commands t...

Страница 52: ...In ASCII string format DUMP0 CR Clear the whole print buffer In ASCII string format DUMP1 CR Return the whole print buffer content In ASCII string Format 24KB in length Prefix of an IDN addressing ba...

Страница 53: ...alue command DI CR as an example Assume that DI CR would return 1234567E 0m3 CR LF the string in hexadecimal is 2BH 31H 32H 33H 34H 35H 36H 37H 45H 2BH 30H 6DH 33H 20H 0DH 0AH then PDI CR would return...

Страница 54: ...y code is 57H 31H 32H 33H 34H 35H 44H 56H 0DH 3 Prefix N The prefix N is a single byte IDN network address not recommended in a new design 4 Command binder The command binder or connector can connect...

Страница 55: ...ed parts and acts of nature Fuses and batteries are not included under warranty THIS WARANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO WARRANTIES...

Страница 56: ...ad the following carefully 1 If the return item has been exposed to nuclear or other radioactive environment and or has been in contact with hazardous materials which could pose any sort of danger to...

Страница 57: ...ation Although it is not required for operation Spire recommends meter calibration approximately once every 2 years for maximum efficiency Please contact support spiremt com for more information See S...

Страница 58: ...face Clean the pipe surface where the transducers will be mounted Remove rust and paint Sand the surface if not smooth Use a wet cloth to wipe off the powder after sanding Dry up the surface A dry cle...

Страница 59: ...nd sediments on the bottom of the pipe HS type transducer Connect the transducer cables to the main unit Move the transducer pair apart so that the mounting spacing between the two transducers is equa...

Страница 60: ...nt around the pipe to absorb the acoustic noise HM type transducer Connect the transducer cables to the main unit Move the transducer pair apart so that the mounting spacing between the two transducer...

Страница 61: ...02 0 072 0 007 2 2 125 0 005 0 002 0 083 0 008 2 2 625 0 005 0 002 0 095 0 010 3 3 125 0 005 0 002 0 109 0 011 3 3 625 0 005 0 002 0 120 0 012 4 4 125 0 005 0 002 0 134 0 013 Type L 0 875 0 003 0 001...

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