MVF Series User`s Manual
Contents
1. 1 lt Q lt Qs 56 17 1 17 1 lt Qs 42 42 lt Q lt 208 208 lt Q 17 1 I7 1 Q 39 39 lt Q lt 195 195 lt Q lt lt Q lt 3 ane w 91010 A IA ala oa a it i olojo 19 8 Css 2 4 ajajaja zx x eT xlix ADAM oj ojol ojo IA A N ay e 2 171 17 1 lt Q lt 37 37 lt Q lt 184 184 Q 171 7 1 Q 35 35 lt Q lt 173 173 Q 171 74s 3 33 lt Q lt 164 164 lt Q IA A N T e IA BE N e IA E N k e IA A N e 100 Q ws pasaespr a sepe O RAIN 20 29 20 lt 0 lt 1oalioe O 73 20 E 5220 20s 205 S120 a ajajaja exe aa ee NINNIN Dd e e e ololols IA E N ay e 2 3 4 5 7 39 lt Q lt 8 a in n bu zx ojojo 10 0 30 0 50 70 00 00 00 00 00 00 80 IA BET N e 9 21 Chapter 5 SPECIFICATIONS B Tables for accuracy after temperature and pressure compensation in air Unit of flow rate m3 h actual 23 C Accuracy differs according to operating pressure and flow rate range MVFO050 Pipe size 50A Operating Minimum mea pressure surable flow rate Accuracy MPa Q 0 10 Qmin 6 7 RD 5 7 RD 74 lt Q 32 32 Q 74 74 lt Q lt 428 Qmin 6 0 RD 4 9 RD 74 lt Q lt 32 32 Q 74 74 lt Q lt 535 Qmin 5 6 RD 4 4 RD 74 lt Q lt 32 32 Q 74 74 lt Q lt 641 Qmin 5 1 RD 3 8 RD 8 5 lt Q lt 32 32 Q 74 74 lt Q lt 854 Qmin 4 9 RD 3 5 RD 10 7 lt Q lt 32 32 Q 74 72. 45 assa sie 15 0 43 i60 25 f2s 0 5 a z o IA IA IA IA A IA IAN IA IA NM NM MIM NM MM MM OL oO WO wo GI wo CO AJAJAJA AYR AJAJ SA AJAJAJA NINI MIM w oO wo AJAJAJA A N Co MVF100 Pipe size 100A Operating Minimum Accuracy pressure measurable Q min 4 RD 0 135 13 5 lt Q lt 39 39 lt Q lt 154 154 Q 79 20 124 124 lt Q lt 35 35 lt Q lt 141 141 lt Q 30 114 11 4 lt Q lt 33 33 lt Q lt 131 131 lt Q lt 40 106 10 6 lt Q lt 30 30 lt Q lt 121 121 lt Q 50 99 99 lt Q lt 28 28 lt Q lt 113f13 lt Q lt 9 3 lt Q 27 27 lt Q lt 106 106 lt Q lt lt 21 A IA N 99 9 lt Q 8 lt Q lt 8 lt Q A IA A N 99 IA N Co 2 RD IA c O1 O1 a in lun alata IA c O1 70 8 8 lt Q 25 25 lt Q lt 100 100 lt Q 83 lt Q lt 24 24 lt Q lt 95 95 lt Q lt 7 9 lt Q lt 22 22 lt Q lt 90 90 lt Q lt 100 79 7 9 lt Qs21 21 lt Q lt 85 85 lt Q lt 200 7 9 lt Q lt 14 14 lt Q lt 57 57 lt Q lt 300 7 9 lt Q lt 13 13 lt Q lt 43 43 lt Q lt 400 7 9 lt Q lt 13 13 lt Q lt 34 34 lt Q lt 500 7 9 lt Q lt 13 13 lt Q lt 29 29 lt Q lt 7 9 lt Q lt 13 13 lt Q lt 24 24 lt Q lt 700 7 9 lt Q lt 13 13 lt Q lt 21 21 lt Q lt 800 7 9 lt Q lt 13 13 lt Q lt 19 19 lt Q lt 795 7 9 lt Q lt 13 13 lt Q lt 17 17 lt Q lt 980 7 9 lt Q lt 13 13 lt Q lt 16 16 lt Q lt a A lun Ax oa alata
3. IA j c O1 n in un lin Din n Xxx MI MI M ce xvo dovo dxv dxo o alalalalata IA X ala IA 2 Ng US E e m x CE 100 200 200 400 500 600 7007 800 900 980 MVF080 Pipe size 80A Accuracy pressure measurable Q min 4 RD 10 109 10 9 lt Q lt 31 31 lt Q lt 109 109 lt Q lt 51 30 9 2 lt Q lt 26 26 lt Q lt 92 92 lt Q lt lt 2 lt 2 2 RD D A o o o o o a ojo Co o 910 A ala A oe o o B lt 8 2s 6 5 5 B0202 23f23 lt 0 00 s rssasailai lt a lt 0 lt 1 N ao A o fo Co o o a Oo a s x lt D dr o I a M o o a o 71 lt Q lt 67 lt Qs o A a D 70 Css fos asrpiscaces eo foo aswvirea ce o I a Oo Em A o o o e o a o zi ZI o o o o a 2 o 100 E A o B eo P o o O1 EA o o w o w o 910 ala a a ojo Q lt 1 lt Q lt 9 lt Q lt 9 Q lt 9 Q lt 9 Q lt 9 xz ES s lt Ke A o D o D o o a zx Oo 17 lt Q lt o A a Oo s E E x s E S lt lt s E a o a Oo MVF150 Pipe size 150A Accuracy um 2 RD 8 19 8 lt Q lt 56 56 lt Q lt 282 282 Q lt 171 T1 710 4848 Q 259 p39 0 v3 firs Qs 44 a4 o c 222 pz2 0
4. Notes indicate information that might benefit the user This indicates the item or page that the user is requested to refer to 1 2 3 Numbers within parentheses indicate steps in a sequence or parts of an explanation UR This indicates 7 segment indication on the display Contents SAFETY PRECAUTIONS Organization of This User s Manual Conventions Used in This Manual Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 INTRODUCTION Introduction 542 rra r ceded eee dassdwoegaislone E PRSE POE CERO esas 1 Features 5 5 1 0e er ashes ama eet Rem so e UR SD RN UE C a REN RUE SS 1 System eeeeseeeeeeeeeeeehhe hehehe tetro 1 Model selection table ee e hh hn 2 NAMES AND FUNCTIONS OF PARTS INSTALLATION MOUNTING WIRING Installation 5 rr rre nee pe tme eerR IOTER DERE E ah REN IE CE 6 Precautions for piping installation 6 Piping work ses 9 Wiring III HII III hh Hh 11 TROUBLESHOOTING Nothing on display 44 15 Error message faulty operation 15 Alarm display IH HH 16 SPECIFICATIONS Specifications sessessse 17 Specifying accuracy axvsavssebixekuseskeanceskepxb e epu Exe ed dac tea 18 Tables for specifying volumetric flow rate accuracy
5. Convertor coating Display glass parts Tempered glass Thickness 10mm Mounting direction Connection type Wiring connection port Connection port 2 locations Connection standard G1 2 female thread Accessories 2 water proof glands attached Sealing JIS C 0920 and IEC 60529 Water proof and dust proof structure on the assumption of outdoor installation Massa Pd 1 Use for oxygen is possible only for models with oil inhibiting treatment for the gas contacting parts 17 Chapter 5 SPECIFICATIONS B Specifying accuracy See the tables for specifying accuracy on pages 20 and following The accuracy tables show the ranges when the gas is air To convert to other application condi tions calculate as shown below The Reynolds number Re used below is calculated using the formula Re V x D v V velocity m s D typical length internal diameter of the MVF body m MVF050 52 5mm MVF080 78mm MVF100 96 8mm MVF150 142mm v kinetic viscosity of the fluid m2 s wp For instance in the case of air dry air at 0 C and 101 3kPa Viscosity u 17 24 x 10 6 Pa s Density p 1 293kg m3 From these conditions the kinetic viscosity v 213 35 x 10 6 m2 s Or in the case of air dry air at 23 C and 700kPa v 51 883 x 10 6 m s As a calculation example we will use the following conditions Installed flowmeter MVF080 Fluid air dry air Operating pressure 700kPa Fluid temperature 23 C Atmospheric pressure 101 3kPa
6. No CP SP 1190E MVF Series Micro Flow Vortex Gas Flowmeter User s Manual Thank you for purchasing an MVF Series flowmeter This manual contains information for ensuring the correct use of the MVF Series flowmeter It also provides nec essary information for installation maintenance and troubleshooting This manual should be read by those who design and maintain equipment that uses the MVF Series flowmeter Be sure to keep this manual nearby for handy reference Yamatake Corporation RESTRICTIONS ON USE This product has been designed developed and manufactured for general purpose application in machinery and equipment Accordingly when used in applications outlined below special care should be taken to implement a fail safe and or redundant design concept as well as a periodic maintenance program e Safety devices for plant worker protection Start stop control devices for transportation and material handling machines Aeronautical aerospace machines Control devices for nuclear reactors Never use this product in applications where human safety may be put at risk NOTICE Be sure that the user receives this manual before the product is used Copying or duplicating this user s manual in part or in whole is forbid den The information and specifications in this manual are subject to change without notice Considerable effort has been made to ensure that this manual is free from inaccuracies
7. 8 10 0 a g 8 0 a 2 6 0 3 40 g 4 e at 2 0 PEL H 0 H oO 2000 4000 6000 8000 10000 12000 14000 O 2000 4000 6000 8000 10000 12000 14000 16000 18000 Flow rate n h normal Flow rate n h normal When the MVF is used for a gas other than air multiply by the appropriate specific gravity below Specific gravity of each gas when air is 1 0 Example For the MVF150 with a inlet pressure of 0 9MPa and a flow rate of 6000m3 h normal the pressure loss of natural gas can be calculated as follows Using the graph for 0 9MPa primary pressure the pressure loss is 2kPa at a flow rate of 6000m3 h normal When this is multiplied by the specific gravity of nat ural gas 0 64 the pressure loss is 2kPa x 0 64 1 28kPa 24 B External dimensions Unit mm MVFO050 Pipe size 50A Chapter 5 SPECIFICATIONS 25 Chapter 5 SPECIFICATIONS MVF100 Pipe size 100A 26 MEMO 27 Revision History date eseese ER Warning about disassembling added to WARNING section Order of CAUTION items changed System section Integrated pulse output changed to Pulse output Rotary switch changed to Station address setting switch DIP switch changed to Communications parameters switch Warning about disassembling added to WARNING se
8. Q lt 286 5 1 RD 286 lt Q lt 4692 3 8 RD Qmin 104 lt Q lt 286 2H ST RD 78 1 lt Q 130 130 lt Q 286 286 lt Q lt 7806 286 lt Q lt 6249 3 5 RD 3 3 RD ib RE T 0 30 62 5 Qmin 62 5 lt Q lt 104 i i 93 6 lt Q lt 156 4 8 RD 156 lt Q lt 286 4 7 RD 286 lt Q lt 9364 3 2 RD 109 2 Qmin 109 2 lt Q lt 182 182 lt Q lt 286 286 lt Q lt 10921 3 1 RD 0 70 124 8 Qmin 124 8 lt Q lt 208 4 6 RD 208 lt Q lt 286 286 lt Q lt 12478 3 0 RD 0 80 140 4 Qmin 140 4 lt Q lt 234 4 6 RD 234 lt Q lt 286 286 lt Q lt 14035 3 0 RD 155 9 Qmin 155 9 lt Q lt 260 4 6 RD 260 lt Q lt 286 4 6 RD 286 lt Q lt 15593 3 0 RD MPa 0 98 168 4 Qmin 168 4 lt Q lt 281 281 lt Q lt 286 286 lt Q lt 16838 23 Chapter 5 SPECIFICATIONS B Pressure loss MVF050 Pipe size 50A CELLES MVF080 Pipe size 80A MVF100 Pipe size 100A MVF150 Pipe size 150A Inlet pressure 0 01MPa Inlet pressure 0 3MPa 3 0 _ 70 a T Ez d 6 0 8 2 5 0 X o e D 4 0 pe 2 3 0 a amp 20 10 EJ tra dede de 0 0 i i i 0 1000 2000 3000 4000 5000 6000 7000 Flow rate n h normal Flow rate m h normal Inlet pressure 0 7MPa Inlet pressure 0 9MPa 16 0 3 14 0 C a Ej 12 0 g
9. Select a wiring connection port o Handling Precautions e There are 2 wiring connection ports One port has a red cap and the other has a plug Decide whether to use one port or 2 ports depending on the number of cables or desired separation of signal wires 12 Chapter 3 INSTALLATION MOUNTING WIRING 2 Remove the red cap from the wiring connection port 3 When leading out the wiring from two ports remove the plug also 4 Remove the terminal cover 5 Connect an electrical wiring conduit 6 Pass the wiring through the electrical wiring conduit and then connect the wiring to the terminal block 7 Put the terminal cover back in place Wiring connection example External wiring connection S 24Vdc power supply I 4 to 20mA 1 1 No voltage input type 5 Input 6 OV 2 Voltage input type Counter Pulse output N Pull up resistor DC power supply 30V max RS 485 communications I I A terminating resistor is 1 not attached 1 Handling Precautions Connect COM of 4 20mA output directly from the terminal block Pulse output wiring example Do not use the COM power supply terminal 4 20mA or the COM pluse output terminal as a common power supply terminal for external devices Be sure that the pulse output never exceeds the output rating of this device When driving a relay use a relay with a built in diode for coil su
10. and omissions If you should find an error or omis sion please contact Yamatake Corporation In no event is Yamatake Corporation liable to anyone for any indirect special or consequential damages as a result of using this product 2005 Yamatake Corporation ALL RIGHTS RESERVED uF and Micro Flow are trademarks of Yamatake Corporation in Japan N SAFETY PRECAUTIONS J B About Icons The safety precautions described in this manual are indicated by various icons Please be sure you read and understand the icons and their meanings described below before reading the rest of the manual Safety precautions are intended to ensure the safe and correct use of this prod uct to prevent injury to the operator and others and to prevent damage to proper ty Be sure to observe these safety precautions A WAR N I N G Warnings are indicated when mishandling this product might result in death or serious injury CAUTI O N Cautions are indicated when mishandling this product N might result in minor injury to the user or only physical damage to the product B Examples wrongful operation or misuse of this product These icons graphically represent the actual danger The example on the left warns the user of the danger of electric shock Triangles warn the user of a possible danger that may be caused by White circles with a diagonal bar notify the user that specific actions are prohibited to prevent possible danger The
11. device to remove them If the oil water or dust is contained in a fluid they might cause measurement error or faulty operation Note Remove the water using a dryer so that it does not cause dew condensation in the pipe e Use a dust eliminating filter of less than 1m mesh Use an oil eliminating mist separator with the eliminating capability of resid ual oil density less than 0 01 mg m Chapter 3 INSTALLATION MOUNTING WIRING Do not install at a location receiving the influence of pulsating flow 1 Handling Precautions Do not install this device at the location near the exit of compressor At the location near the exit of compressor the strong pulsating flow is caused and there might be a dispersing of iron powder depending on the compressor type there is a possibility of causing faulty operation Dn MVF Compressor screw type etc As shown in the above figure provide the devices eliminating the for eign matters such as oil water and iron powder and install a receiver tank as the measures against pulsating flow at the upstream of MVF series e Take effective countermeasures in case of installation near a pump or roots blower If this device is installed near a pump or roots blower it may be affected by a pulsating flow Install a volume tank or pulsation damping device muffler between the pump or roots blower and this device to suppress the influence of pulsation as much as possible
12. direction left to right Converter on top 2 4 Vertical Flow direction down to up Converter on left 2 5 Vertical Flow direction up to down Converter on left 2 Option 1 none 1 Gas contacting parts treated to be oil free Necessary if gas type is oxygen 1 0 Option 2 none 0 Product version 1 If the gas type is oxygen be sure to specify oil free treatment 2 Flow and mounting directions Flow direction Horizontal left to right Flow direction Horizontal right to left Converter on top Converter on bottom Converter on top Converter on bottom Flow direction Flow Flow direction l direction Code 0 Code 2 Flow direction Vertical down to up Flow direction Vertical up to down Converter on left Converter on left Flow direction Flow direction Code 4 Chapter 2 NAMES AND FUNCTIONS OF PARTS B Body Converter Terminal housing cover Gauge pressure sensor A A cross section of flow passage Flow direction uF sensor QO s I uF sensor ut Pipe connector wafer Vortex generator Display Used for the display of instantaneous flow rate integrated flow rate and alarm status and error of this device For details of the display refer to CH Display on next page Label Indicates model number range and pulse rate Check that they are the same as the specifications ordered Converter Calculates t
13. normal 44 to 4352m3 h normal 94 to 9364m3 h normal range 23 C for air at a pressure of 0 5MPa Normal refers to the volumetric flow rate m3 h after converting to 0 C 101 325kPa Applicable gas Air Nitrogen Argon Oxygen 1 Carbon dioxide natural gas LNG base Methane Propane Butane and other inert gases and mixed gases outside the explosion limit range Volumetric flow rate 2 RD at 2 RD at 2 RD at 2 RD at accuracy 23 C for air 74m93 h normal 154m3 h normal 283m3 h normal Differs according to operating pressure For details refer to Tables for specifying volumetric flow rate accuracy page 20 Accuracy after When pressure is 0 5MPa When pressure is 0 5MPa When pressure is 0 5MPa When pressure is 0 5MPa temperature and 3 5 RD at 3 5 RD at 3 5 RD at 3 5 RD at pressure compensation 75m3 h normal or more 110m3 h normal or more 157m3 h normal or more 287m3 h normal or more For conditions other than the above refer to Tables for accuracy after temperature and pressure compensation page 21 Since a gauge pressure sensor is used atmospheric pressure fluctuation is not included Minimum measurable 8m3 h normal 11m3 h normal 15m3 h normal 32m3 h normal flow rate at pressure of 0 1MPa Operating temperature 15 to 60 C range Operating pressure range 0 0 to less than 1 0MPa Pressure resistance 1 5MPa Operating humidity range Flow rate calculation 100ms Rated power su
14. water droplet oil mist or dust in the piping flows into the device measurement error might occur and result in damaging the device If there is a possibility that any foreign matter flows into the device provide a filter strainer or mist trap capable of eliminating more than 1pm foreign matter at the upstream and periodically inspect and replace the filter This device is a precision instrument Do not drop it nor subject it to shock Doing so might damage the device When mounting the device firmly fasten to prevent vibration o Handling Precautions When connecting to the pipe be sure to check that there is no inclination of pipes nor any pipe center line misalignment and then install the device Doing so might cause leakage e When mounting the device firmly fasten to prevent vibration The communication line must be separated from power lines and do not lay in the same conduit Doing so might cause faulty operation Chapter 3 INSTALLATION MOUNTING WIRING B Installation Avoid mounting this device in the following locations Locations whose ambient temperature falls below 15 C and rises above 60 C Locations whose ambient humidity exceeds 90 RH Locations subject to sudden changes in temperature and condensation Locations be filled with corrosive gases and flammable gases Locations where there are lots of conductive substances e g dust salt or iron dust or organic solvents Locations subject to vibrat
15. 4 lt Q lt 1067 zQmin 4 8 RD 3 3 RD 12 8 lt Q lt 32 32 Q 74 74 Q 1280 IA IA IA IA TIA TIA i Qmin 4 7 RD 3 2 RD 14 9 lt Q lt 32 32 lt Q lt 74 74 lt Q 1493 Qmin 4 6 RD 3 1 RD 17 1 lt Q lt 32 32 Q 74 74 Q 1706 Qmin 4 6 RD 3 0 RD 19 2 lt Q lt 32 32 Q 74 74 Q 1919 Qmin 4 6 RD 3 0 RD 36 lt Q lt 74 74 lt Q lt 2131 Qmin 4 6 RD 3 0 RD MVF080 Pipe size 80A 22 Operating Minimum mea pressure surable flow rate Accuracy MPa Q min Qmin 6 7 RD 5 7 RD 11 0 lt Q lt 31 31 lt Q lt 110 110 lt Q lt 946 Qmin 6 0 RD 4 9 RD 11 8 lt Q lt 31 31 Q 110 110 Q 1181 Qmin 5 6 RD 4 4 RD 142 lt Q lt 31 31 Q 110 110 lt Q lt 1416 Qmin 5 1 RD 3 8 RD 18 9 lt Q lt 31 31 lt Q lt 110 110 lt Q lt 1886 Qmin 4 9 RD 3 5 RD 23 6 lt Q lt 39 39 lt Q lt 110 110 lt Q lt 2355 Qmin 4 8 RD 3 3 RD 28 3 lt Q lt 47 47 lt Q lt 110 110 lt Q lt 2825 Qmin 4 7 RD 3 2 RD 33 0 lt Q lt 55 55 Q 110 110 lt Q lt 3295 Qmin 4 6 RD 3 1 RD 37 6 lt Q lt 63 63 lt Q lt 110 110 lt Q lt 3765 Qmin 4 6 RD 3 0 RD 42 3 lt Q lt 71 71 lt Q lt 110 110 lt Q lt 4235 Qmin 4 6 RD 3 0 RD 47 0 lt Q lt 78 78 lt Q lt 110 110 lt Q 4705 Qmin 4 6 RD 3 0 RD 50 8 lt Q lt 85 85 lt Q lt 110 110 Q 5081 Chapter 5 SPEC
16. 4 to 74 653 to 755 indicates the reference value 5 Handling Precautions Tighten bolts so that they are uniformly tightened If leakage does not stop after tightening bolts gradually tighten the bolts more a little at a time Tighten bolts within the specified tightening torque Otherwise the bolts may be damaged Do not forcibly insert into the narrow space between the flange faces Doing so might cause leakage or damage Six of the 8 bolts on MVF080 100 150 models require the use of a spacer to ensure that the are correctly aligned around the pipe connection unit wafer and that they match up properly with the holes in the pipe flanges Diameter of gasket A gasket is required for flange connection Refer to the table below for the inside diameter of gasket Pipe size Inside diameter of gasket Reference value 80A so mm o Handling Precautions e f the inside diameter of the gasket is too small it might disturb the flow straightening condition inside of this device and cause inaccuracies e f the inside diameter is too large it might cause leakage 10 Chapter 3 INSTALLATION MOUNTING WIRING B Wiring CAUTION When connecting the load to the output terminals do not exceed the rated value shown in the specifications Doing to do so might cause the damage of this device Before wiring be sure to turn the power OFF Before supplying power be sure to check
17. IFICATIONS MVF100 Pipe size 100A Operating Minimum mea pressure surable flow rate Accuracy 6 7 RD 5 7 RD 39 Q 156 6 0 RD 156 lt Q lt 1457 4 995 RD 18 2 lt Q 39 39 lt Q lt 156 5 6 RD 156 lt Q lt 1819 4 4 RD 21 8 lt Q 39 29 0 lt Q lt 48 Qmin 39 lt Q lt 156 5 1 RD 4 9 RD 156 lt Q lt 2180 3 8 RD 48 lt Q lt 156 156 lt Q lt 2904 3 5 RD 36 3 lt Q lt 60 Qmin 60 lt Q lt 156 4 8 RD 156 lt Q 3628 3 3 RD 43 5 lt Q lt 73 Qmin 73 lt Q lt 156 4 7 RD 156 lt Q lt 4351 3 2 RD 50 7 lt Q lt 85 Qmin 85 lt Q lt 156 4 6 RD 156 lt Q lt 5075 3 1 RD 58 0 lt Q lt 97 Qmin 97 lt Q lt 156 4 6 RD 156 lt Q lt 5799 3 0 RD 65 2 lt Q 109 Qmin 109 lt Q lt 156 4 6 RD 156 lt Q lt 6522 3 0 RD 72 5 lt Q lt 121 Qmin 121 lt Q lt 156 4 6 RD 156 lt Q lt 7246 3 0 RD 78 2 Q 130 MVF150 Pipe size 150A Operating Minimum mea pressure surable flow rate MPa Q min 130 Q 156 Accuracy 6 7 RD 156 lt Q lt 7825 5 7 RD 0 10 31 3 Qmin 31 3 lt Q lt 57 39 1 Qmin 57 lt Q lt 286 6 0 RD 286 lt Q lt 3135 4 9 RD 39 1 lt Q 65 Qmin 65 lt Q lt 286 5 6 RD 286 lt Q lt 3913 4 4 RD 46 9 lt Q lt 78 78 lt
18. Otherwise gas could leak from the pipe causing injury 1 Handling Precautions When connecting to piping be sure to check before installation that there is no inclination or displacement of the pipes Failure to do so might cause leakage or measurement error Be sure to flush cleaning the inside of pipe before installation this device to eliminate any foreign matter which might exist inside the pipe When installing pay special attention to the flow direction Example MVF100 q Flange Gasket Gasket Vas To mount this device sandwich it between two pipe flanges wafer mounting Note that spacers should be used to prevent displacement during mounting The use of spacers enables proper alignment of the piping and this device Be sure to use the spacers Chapter 3 INSTALLATION MOUNTING WIRING Flange shape Use a flange which can secure a large contacting area with a gasket Good example Bad example 4 Flange gasket gt Welded Welded As the contacting area rtion portion with a gasket is small po there is a fear of leakage y i Pipe Flange connection Tighten the flange with bolts Tightening torque differs by pipe size Tighten at a torque that is within the range specified in the table below Torque Unit N e m kgf cm 37 to 47 378 to 480 26 to 36 265 to 367 100A 32 to 42 327 to 429 The value in parentheses 150A 6
19. We will calculate the following items 1 Minimum measurable flow rate 2 Maximum measurable flow rate 3 Accuracy after temperature and pressure compensation examples for 100 and 150m h normal 1 Minimum measurable flow rate volumetric flow rate m3 h and mass flow rate m3 h normal 18 First the minimum measurable flow speed is determined as the larger of 0 3m s or the velocity at Re 3500 The velocity at Re 3500 is calculated from the formula for calculating Re V Rexv D Here if Re 3500 v 1 883 x 10 6m2 s and D 78 x 10 3m V 3500 x 1 883 x 10 6 78 x 107 0 08m s Since a velocity of 0 08m s at Re 3500 is less than 0 3m s the minimum measur able velocity is 0 3m s Now the minimum measurable volumetric flow rate can be calculated as Qactual m3 h S x V x 3600 5 2 S flow path cross section of MVF080 m2 78 x 103 x 71 4 V velocity m s 0 3 Therefore volumetric flow rate can be measured down to 5 2m h Next we can calculate the minimum mass flow rate Qnormal m h normal at 0 C and one atmospheric pressure with temperature and pressure compensation Chapter 5 SPECIFICATIONS Qnormal m3 h normal 5 2 x 273 0 273 23 x 101 3 700 101 3 38 Amount of temperature Amount of pressure compensation compensation Therefore mass flow rate can be measured starting from a minimum of 38m h normal 2 Maximum measurable flow rate volumetric flow rate m3 h
20. accuracy below Volumetric flow rate accuracy 2 RD Temperature accuracy 2 RD Pressure accuracy 0 01 fluid pressure MPa 0 01 0 7 1 4 DR Based on these conditions The accuracy after tem perature compensation At 150m h normal the accuracy is 3 2 RD 295 2 2 1 4 2 3 2 RD Specifying volumetric flow rate accuracy 20 The volumetric flow rate accuracy is specified as follows e MVF50 pipe size 50A 4 RD when velocity is 0 5m s or more and Re is 15000 to less than 35000 296 RD when Re is 35000 or more e MVF80 pipe size 80A 496 RD when velocity is 0 5m s or more and Re is 10000 to less than 35000 296 RD when Re is 35000 or more MVF100 pipe size 100A 496 RD when velocity is 0 5m s or more and Re is 10000 to less than 40000 296 RD when Re is 40000 or more MVF150 pipe size 150A 496 RD when velocity is 0 5m s or more and Re is 10000 to less than 50000 296 RD when Re is 50000 or more Chapter 5 SPECIFICATIONS B Tables for specifying volumetric flow rate accuracy in air Unit of flow rate m3 h actual 23 C Accuracy differs according to operating pressure and flow rate ranges MVFO50 Pipe size 50A Accuracy pressure measurable Q min 4 RD 2 RD D EEE ER EL EE EELE 0 lt 2 lt 2 9 7 50 50 lt Q lt 22 22 lt Q lt 50 50 lt Q 234 70 47 47 lt Q lt 20 20 lt Q lt 47 47 lt Q 234 15 4522 19 19 lt 0 lt a5 45 0
21. and mass flow rate m3 h normal MVF flowmeters can measure velocity up to 30m s The volumetric flow rate Qactual m3 h at velocity 30m s is determined by Qactual m3 h S x V x 3600 516 S flow path cross section of MVF080 m2 78 x 103 x x 4 V velocity m s 30 The volumetric flow rate can be measured up to 516m3 h Next we can calculate the mass flow rate at 0 C and one atmospheric pressure with temperature and pressure compensation by Qnormal m3 h normal 516 x 273 0 273 23 x 101 3 700 101 3 3765 Amount of temperature Amount of pressure compensation compensation Mass flow rate can be measured up to 3765m3 h normal 3 Accuracy after temperature and pressure compensation As an example we will calculate the accuracy after temperature and pressure com pensation at 100m h and 150m h normal using the following formula Accuracy after EN volumetric flow o 2 temperature c 2 pressure 2 compensation RD V rate accuracy RD accuracy RD accuracy RD Temperature and pressure sensor accuracy is as follows Temperature measurement accuracy 2 RD absolute temperature base Pressure accuracy RD pressure measurement accuracy fluid pressure MPa 0 1013 MPa In this case the pressure measurement accuracy is 1 FS in the 0 to 1MPa range In order to calculate the volumetric flow rate accuracy Re is first calculated from the mass flow rate m3 h normal The step
22. be damaged or someone could be injured by flying parts NCAUTION Be sure that the operating gas temperature does not fall below 15 C Using the gas below 15 C the O ring might crack and cause gas leak age Prevent foreign matter from entering the device If the rust water droplet oil mist or dust in the piping flows into the device measurement error might occur and result in damaging the device If there is a possibility that any foreign matter flows into the device provide a filter strainer or mist trap capable of eliminating more than 1pm foreign matter at the upstream and periodically inspect and replace the filter If this device is used for monitoring flowrate of the burner consider the piping instrumentation lest the backfire damage this device When connecting the load to the output terminals do not exceed the rated value shown in the specifications Doing so might cause the damage of this device CAUTION This device is a precision instrument Do not drop it or subject it to shock Doing so might damage the device When connecting flanges tighten with the specified torque Otherwise gas could leak from the pipe causing injury When mounting the device firmly fasten to prevent vibration Do not peel off the pipe connector port seals until immediately before you connect the piping Doing so might allow foreign objects to enter the connector port and cause defect
23. ction Caution about vibration added to CAUTION section Description of Note removed Description of mounting method added Flange shape item moved from page 10 Mounting the gasket moved from page 9 Subject changed to Dimensions of gasket Description of Wiring section completely changed Old pages are 11 to 13 Old pages are 14 and 15 Contact rating changed to Absolute maximum rating Pulse width added to pulse output Old page is 16 One atmospheric pressure changed to 101 3kPa Old page is 17 Old pages are 18 to 25 Wiring connection example changed M Specifications Flowrate measurement range Volumetric flow rateaccuracy added to 23 C for air Volumetric flow rate accuracy Accuracy after temperature and pressure compensation changed Pressure accuracy 96 RD added to 0 1013 MPa li Tables for specifying volumetric flow rate accuracy in air changed M Tables for accuracy after temperature and pressure compensation in air changed WAMATAKE azbil Yamatake Corporation Advanced Automation Company 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com Printed on recycled paper 07 Specifications are subject to change without notice Printed in Japan 1st Edition Issued in Sep 2005 W 3rd Edition Issued in June 2007 B
24. e f the device is installed downstream of branched piping it may detect reverse flow rate Be sure to take countermeasures as illustrated below Example In this application Line A is operating but B is stopped Although the flow rate of B is essentially zero as detected by the MVF in B the MVF might count and integrate a false flow rate caused by the influence of the flow in Line A Due to the influence of flow in Line A a fals flow is detected in B Flow path Line A operating Line B stopped Countermeasure 1 Install a valve on the upstream side of the MVFs if there is an unused line to eliminate the influence of flow in the other line x Valve x Valve ms t Line A Line B Countermeasure 2 Design the system so that other devices do not receive the output 4 to 20mA pulse from the MVF on the unused line Chapter 3 INSTALLATION MOUNTING WIRING B Piping work NWARNING The mass of this device is 7 to 23kg according to the model number Ensure to take complete precautions and care while handling for transportation or installation For safe handling two or more persons are required while handling this device Accidental dropping of the device on the foot might cause injury NCAUTION Do not flush when the device is mounted in the pipe Doing so might cause damage due to entry of foreign matter and cause faulty operation or errors in measurement When connecting flanges tighten with the specified torque
25. emperature pressure etc Wiring connection port There are 2 wiring connection ports Used for connecting an electric wiring conduit and mounting the included waterproof gland Terminal block Used for wiring a power supply to the device for 4 20mAdc output inte grated pulse output and communications Gauge pressure sensor Detects pressure UF Sensor Detects vortex frequency and temperature Pipe connector Wafer connection Pipes are connected by sandwiching the pipe connector between flanges Vortex generator Generates vortex Chapter 2 NAMES AND FUNCTIONS OF PARTS B Display CAUTION o Before pressing the reset switch touch a metal surface such as the housing of the device to discharge static electricity Reset switch 7 segment display upper 7 segment display lower Station address setting switch Loader jack Communications parameters switch Reset switch This switch resets the integrated cumulative value When this reset switch is pressed for 3 seconds the integrated value is reset to 0 Upper 7 segment display Displays instantaneous flow rate Example S030 m3 h Lower 7 segment display Displays integrated flow rate Example MVF050 SEE 5 m3 MVF080 100 150 8200005 m3 Station address setting switch This switch sets the station address for the device For setup details refer to gt MVF Series Communications Functions CP SP 1183E Communications parameters swi
26. f the sensor for temperature detection Alternatively dust moisture or oil from the fluid may have adhered to the sensor Flow sensor There may be an error or burnout of the flow sensor or temperature Temperature sensor sensor Alternatively dust moisture or oil from the fluid may have adhered to the sensor Pressure sensor The cause may be an error or burnout of the pressure compensating sensor Flow sensor The cause may be an error or burnout of the flow sensor or pressure Pressure sensor sensor Alternatively dust moisture or oil from the fluid may have adhered to the sensor have adhered to the sensor Flow sensor The cause may be an error or burnout of the flow sensor temperature Temperature sensor sensor or pressure sensor Alternatively dust moisture or oil from the Pressure sensor fluid may have adhered to the sensor EEPROM The cause may be an error in the nonvolatile memory used by the internal microcomputer Temperature sensor The cause may be an error or burnout of the temperature sensor or Pressure sensor pressure sensor Alternatively dust moisture or oil from the fluid may 15 Chapter 4 TROUBLESHOOTING B Alarm display 16 If conditions exceed the device s specified range an alarm message and the instan taneous value are alternately displayed In order to use this device within an allow able range change the conditions of the fluid display Au Flowrate upper it alarm FLE Temperature l
27. in air 21 Tables for accuracy after temperature and pressure 22 compensation in air Pressure lOSS sons oeos veh DR EORR IV age Ea OE RENE ELSE SE PIC da Eh 24 External dimensions 455524 9 t CREE X E exY er ide 25 Chapter1 INTRODUCTION B Introduction The MVF Series Micro Flow Vortex Gas Flowmeter hereafter called the device or the MVF is a thermal vortex gas flowmeter featuring a wide measurement range It uses the Yamatake designed Micro Flow sensor or uF sensor as a vor tex generator B Features 3596 more of the MVF s component materials are available for re use or recy cling as compared with the conventional CMK model Temperature and pressure compensation functions are integrated into the MVF Since expensive temperature and pressure compensation devices are not required a large cost reduction can be expected e This device incorporates a uF Micro Flow sensor a mere 1 7mm square and 0 5mm thick made possible by silicon micro machining and thin film technolo gies By using this high sensitivity high speed sensor to detect vortex frequen cy measurement rangeability of 100 1 has been achieved Theentire MVF is provided with wide range of functions to meet various appli cations needs LCD display function analog output 4 to 20mA integrating calculation display and integral pulse output open collector Also an RS 485 communications function is provided as a sta
28. ion or shock Locations subject to splashing by fluids e g oil chemicals Locations where strong magnetic or electrical fields are generated o Handling Precautions Although this device can be installed outdoors if it is installed at the loca tions subject to direct sunlight be sure to provide a sunshade Doing so might cause faulty operation E Precautions for piping installation When this device is installed be sure to provide the bypass piping as shown below Also for the valves before and after this device use a ball valve like as having the structure which does not disturb the gas flow Bypass piping valve 1 Upstream side MVF Downstream side valve valve Chapter 3 INSTALLATION MOUNTING WIRING Provide a straight pipe section in upstream side and downstream side of the installation location Refer to the drawings below for the length of upstream pipe section D indicates the connecting port size Secure the length of more than 5D for the downstream pipe section Type of Installation Reducing pipe Flow direction SS 10D min Enlarging pipe Flow direction 10D min Pipe with 90 bend Flow direction 10D min Pipe with single plane double 90 bend Flow direction 10D min Pipe with three dimensional double 90 bend Flow direction SS 20D min L 5D min l e Ifthe oil water or dust is contained in a fluid install a
29. ive operation Do not flush when the device is mounted in the pipe Doing so might cause damage due to entry of foreign matter and cause faulty operation or errors in measurement Before wiring be sure to turn the power OFF Before supplying power be sure to check that there is no wiring error A wiring error might damage the device or cause a dangerous condition OOS 00860 Do not use this device outside of the operating pressure range Also do not subject this device to a pressure above the pressure resistance Doing so might damage this device iii Organization of This User s Manual This manual is organized as follows Chapier 1 Chapter 2 Chapier 3 Chapter 4 Chapter 5 INTRODUCTION This chapter describes features on this device NAMES AND FUNCTIONS OF PARTS This chapter describes the NAMES AND FUNCTIONS OF PARTS on this device INSTALLATION MOUNTING WIRING This chapter describes installation mounting and wiring on this device TROUBLESHOOTING This chapter describes how to investigate and remedy trouble that may occur dur ing operation of this device SPECIFICATIONS This chapter describes the specifications and external dimensions of this device Conventions Used in This Manual The following conventions are used in this manual 1 Handling Precautions Handling Precautions indicate items that the user should pay attention to when handling the MVF Series
30. ndard feature so a large amount of instrumentation cost reduction can be achieved when data is uploaded B System Pulse counter PCG13 Personal computer etc CMC10L RS 232C PLC 4 to 20mA instantaneous flow rate output Chapter 1 INTRODUCTION B Model selection table The following shows the model Nos for this flowmeter Basic Pipe Model Material Connecti Gas Output Power Commu Flow and moun Option 1 Option 2 Appended Descripton model No size type on method type nication ting direction MVF Micro Flow Vortex Flowmeter 050 Pipe size 50A 2B 080 Pipe size 80A 3B 100 Pipe size 100A 4B 150 Pipe size 150A 6B With temperature pressure compensation 0 function L Without pressure compensation but with temperature compensation S Material SUS304 U JIS ANSI wafer Air Nitrogen Algon z o Oxygen Be sure to specify code 1 in the opiton 1 gas contacting parts treated to be oil free 1 Horizodntal Flow direction left to right Converter on bottom 2 Horizontal Flow direction right to left Converter on top 2 w I O O o Horizontal Flow direction right to left Converter on bottom 2 Carbondioxide Natural gas LNG base Methane Propane Butane 4 to 20mAdc output Integration pulse output Power 24Vdc RS 485 Communication EST WEB100 CMC10G communication Horizontal Flow
31. owerlimitalarm F283 Flowrate upper limit alarm Temperature lower limit alarm RLOM Temperature upper limit alarm RBS Flowrate upper limit alarm Temperature upper limit alarm 158 Pressure upper limit alarm REY Flowrate upper limit alarm Pressure lower limit alarm 72 Temperature lower limit alarm Pressure lower limit alarm Flowrate upper limit alarm Temperature lower limit alarm Pressure lower limit alarm ES Temperature upper limit alarm Pressure lower limit alarm Flowrate upper limit alarm Temperature upper limit alarm Pressure lower limit alarm ECS Pressure upper limit alarm RH Flowrate upper limit alarm Pressure upper limit alarm LCAM Temperature lower limit alarm Pressure upper limit alarm Flowrate upper limit alarma Temperature lower limit alarm Pressure upper limit alarm LEM Temperature upper limit alarm Pressure upper limit alarm Flowrate upper limit alarm Temperature upper limit alarm Pressure upper limit alarm Flowrate upper limit alarm Flowrate speed 45m s or more Temperature lower limit alarm 15 C or lower Temperature upper limit alarm 60 C or more Pressure lower limit alarm 50kPa or lower Pressure upper limit alarm 1000kPa or more Chapter 5 SPECIFICATIONS B Specifications m MVF050 MVF080 MVF100 MVF150 Pipe size 50A 2B 80A 3B 100A 4B 150A 6B Flowrate measurement 13 to 1280m3 h normal 29 to 2826m3 h
32. pply Current consumption Output signal 1 point Instantaneous flowrate output 4 to 20mAdc Allowable load resistance 6002 max Maximum Current value 23 2mA Integrated pulse Open collector output Absolute maximum rating 30Vdc 20mA max output 1 point Pulse weight MVFO50 0 01 0 1 1 10 MVF080 100 150 0 1 1 10 100 Pulse width Output intervals of 1s or more 0 5s Output intervals of less than 1s duty ratio 50 Communication RS 485 interface Transmission line 3 wire system function 1 Communication distance 300m max Compatible with Yamatake s products EST CMC10G WEB100 Transmission speed 2400 4800 9600 19200bps Integrated value instantaneous value warning and setting can be recorded Communication Mini plug jack for PC Smart Loader connection used in servicing by the manufacturer fires J eee Display Flowrate Instantaneous flowrate display LCD 6 digits Instantaneous Display unit MVF050 80 100 1 m3 h Display unit MVF050 m3 displayed down to the first decimal place MVF080 100 150 m3 no decimal point 00000000 after counting up to 99999999 For details of setup refer to MVF Series Communications Functions CP SP 1183E Status display setting for servicing by manufacturer OVER exceeding the flow rate range Gas contacting parts Flow passage SUS304 UF sensor Silicon Gold etc O ring Type 4D Viton material Convertor material Aluminum alloy ADC12 ASAI
33. rge absorption Failure to do so may cause faulty operation 13 Chapter 3 INSTALLATION MOUNTING WIRING 14 Terminal layout Wiring label H COM 24V SG DB DA COM P Ll name DB RS485communicaionbB Do not use Do not use Co COM Co o Handling Precautions Connect each terminal securely using crimp type terminal lugs to ensure firm contact area Use crimp type terminal lugs applicable to M4 screw Be sure that the tightening torque of terminal screw is less than 0 8Nem Use the JIS C 3401 cables for control CVV etc of less than 2 2mm dia for the wiring except RS 485 communications e Use the twisted pair shielded cables for the wiring of RS 485 commu nications Be sure to apply terminating resistors 1509 1 2W For communications of wiring details refer to gt MVF Series Communications Functions CP SP 1183E Chapter 4 TROUBLESHOOTING If there is a problem with this device refer to the table below B Nothing on display Make sure that the correct power voltage being applied and the polarity are correct Make sure that the electric wires are connected B Error message faulty operation When an error message is displayed contact Yamatake Corporation Repair at a Yamatake facility is required Error Failure location Cause message erat Flow sensor Flow sensor error Temperature sensor The cause may be an error or burnout o
34. s of the calculation are mass flow rate gt volumetric flow rate gt velocity gt Re Mass flow rate gt volumetric flow rate calculation Qactual m h 100 x 273 23 27340 x 101 3 101 3 700 13 7 Volumetric flow rate gt Velocity calculation Velocity V m s Qactual m h S 3600 13 7 78 x 10 3 x x 4 3600 0 8 S flow path cross section of MVFO80 m 78 x 10 3 x 1 4 Velocity gt Re calculation Re V x D v2 0 8 x 78 x 102 1 883 x 10 6 33139 V velocity m s 0 8 D internal diameter of the MVF body m for MVF080 D 78mm v kinetic viscosity of fluid m2 s For dry air 23 C and 700kPa v 1 883 x 10 6m2 s Volumetric flow rate accuracy is checked by the Re value 19 Chapter 5 SPECIFICATIONS With Re 33139 flow rate 0 8m s since the velocity is 0 5m s or more and Re is in the 10000 35000 range the volumetric flow rate accuracy is 4 RD Te Specifying volumetric flow rate accuracy below Volumetric flow rate accuracy 4 RD Temperature accuracy 2 RD Pressure accuracy 0 01 fluid pressure MPa 0 01 0 7 1 4 DR Based on these conditions The accuracy after tem _ 2 2 2 perature compensation B V 4 E OA ELAN SAARD At 100m h normal the accuracy is 4 7 RD The calculation is similar for 150m3 h normal Re 49517 velocity 1 2m s Since Re is more than 35000 the volumetric flow rate accuracy is 2 RD C7 Specifying volumetric flow rate
35. se icons graphically represent the actual prohibited action The example on the left notifies the user that disassembly is prohibited Filled in black circles instruct the user to carry out a specific obligatory action to prevent possible danger These icons graphically represent the actual action to be carried out The example on the left instructs the user to remove the plug from the outlet A WARNING If this device is used with flammable gases such as natural gas propane or butane mount it on the upstream side of the safety shutoff valve When air gets in the pipe and an explosive mixture is produced and if a sensor should make a spark due to lightning or other reasons the mix ture may explode inside the pipe The mass of this device is 7 to 23kg according to the model number Ensure to take complete precautions and care while handling for trans portation or installation For safe handling two or more persons are required while handling this device Accidental dropping of the device on the foot might cause injury Do not hold the device by the converter alone Doing so might damage the device or the pipe connector section may drop off Do not use this device or its installed pipes as a scaffolding Doing so might damage the device or the pipe or might cause physical injury ooo Do not disassemble this device If it is disassembled when pressure remains in the pipes the device could
36. tch This switch sets the communications parameters for the device For setup details refer to MVE Series Communications Functions CP SP 1183E Loader jack The loader jack is used by the manufacturer when servicing the device Please do not try to use it Chapter 3 INSTALLATION MOUNTING WIRING 7 WARNING If this device is used with flammable gases such as natural gas propane or butane mount it on the upstream side of the safety shutoff valve When air gets in the pipe and an explosive mixture is produced and if a sensor should make a spark due to lightning or other reasons the mixture may explode inside the pipe The mass of this device is 7 to 23kg according to the model number Ensure to take complete precautions and care while handling for transportation or installation For safe handling two or more persons are required while handling this device Accidental dropping of the device on the foot might cause injury Do not hold the device by the converter alone Doing so might damage the device or the pipe connector section may drop off Do not use this device or its installed pipes as a scaffolding Doing so might damage the device or the pipe or might cause physical injury Do not disassemble this device If it is disassembled when pressure remains in the pipes the device could be damaged or someone could be injured by flying parts CAUTION Prevent foreign matter from entering the device If the rust
37. that there is no wiring error A wiring error might damage the device or cause a dangerous condition E Handling Precautions Be sure to separate the communications wires from power lines which should not be laid in the same electrical conduit There are two wiring methods direct cable lead out and use of an electrical wiring conduit When installing the device outdoors be sure to use a conduit Tools required Phillips head screwdriver adjustable wrench spanner Procedure for direct cable lead out 1 Select a wiring connection port o Handling Precautions e There are 2 wiring connection ports One port has a red cap and the other has a plug Decide whether to use one port or 2 ports depending on the number of cables or desired separation of signal wires Red cap Plug 2 Remove the red cap from the wiring connection port When leading out the wiring from two ports remove the plug also 11 Chapter 3 INSTALLATION MOUNTING WIRING 3 Remove the terminal cover 5 Pass the cable through the waterproof gland and mount the waterproof gland in the wiring connection port 1 Handling Precautions Never remove the packing from the waterproof gland Use a cable that is 6 to 12mm in diamater 6 Connect the wiring to the terminal block 7 Put the terminal cover back in place Procedure for using an electrical wiring conduit The wiring connection port thread is G1 2 1
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