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Azbil Corporation 

Introduction

MagneW 

FLEX+/PLUS+

 Electromagnetic Flowmeter Detector 

1-5

1.3.1: Wafer type detector

A wafer detector consists of the components shown in the figure below.

Grounding terminal

Waterproof gland

Terminal box cover

Terminal box

Grounding ring

Electrode cover

Mounting screw (4 places)

Flow direction mark

Figure 1-4  Wafer detector main parts

Name

Function

Flow direction mark

Indicates the direction of fluid flow. 

Mount the detector so that the measured fluid flows in the 

direction indicated by this mark.

Electrodes

Detect an electromagnetic force signal proportional to the 

flow rate of the fluid passing through the detector.

The electrode material varies depending on the corrosion 

characteristics of the fluid to be measured.

Electrode cover

Houses the electrodes. Do not remove the cover with the 

detector installed on a pipe.

Grounding rings

Keep reference voltage as zero by grounding the unit. 

The grounding ring material varies depending on the 

corrosion characteristics of the fluid to be measured.

Terminal box

(Remote model only)

Houses the connection terminals used for applying 

a standard voltage. Houses the excitation and signal 

terminals.

Terminal box cover 

(Remote model only)

Keeps the terminals dry and protected. Keep the terminal 

box cover on during operation.

Содержание MagneW FLEX+

Страница 1: ...CM2 MGG200 2001 MagneW FLEX PLUS Electromagnetic Flowmeter Detector Model MGG11 18 MGG12 19 MGF11 MGS11U 28U User s Manual...

Страница 2: ...no express warranty except as may be stated in its written agreement with and for its customer In no event shall Azbil Corporation be liable to anyone for any indirect special or consequential damages...

Страница 3: ...nnel follow generally accepted safety procedures in addition to the safety precautions specified in this manual The following symbols are used in this manual to alert you to possible hazards WARNING D...

Страница 4: ...at an upstream point the device should be installed at a point so that the two fluids can be evenly mixed by the time they reach the measuring point The distribution of additive matter if any must be...

Страница 5: ...lectrodes or allow oil or fat to come into contact with them to avoid output fluctuations Align the direction mark on the detector in the direction of the liquid flow Misalignment can result in a nega...

Страница 6: ...f the ring and that of the pipe on which the detector is to be installed Select the appropriate method of installation from the following table after confirming the specifications of the detector to b...

Страница 7: ...4 8 Installation on a metal pipe using non SUS grounding ring material 2 16 2 4 9 Installation on a PVC pipe using SUS grounding ring material 2 19 2 4 10 Installation on a PVC pipe using non SUS gro...

Страница 8: ...Table of Contents...

Страница 9: ...Table of Contents...

Страница 10: ...a specified torque 2 16 Figure 2 13 Installation on a metal pipe using non SUS grounding ring material with rubber gaskets 2 17 Figure 2 14 Incorrect installation 2 18 Figure 2 15 Installation on a P...

Страница 11: ...ed cable 2 46 Figure 2 36 Grounding via the external grounding terminal 2 47 Figure 2 37 Connection using a dedicated cable 2 47 Figure 2 38 Dedicated cable structure 2 48 Figure 2 39 Trimming the out...

Страница 12: ...List of Figure...

Страница 13: ...iameters of rubber gaskets of thickness 3 to 4 mm 0 12 to 0 16 inches 2 11 Table 2 5 Wafer detector installation methods 2 12 Table 2 6 Fastening torque for flanged detectors 2 26 Table 2 7 Recommende...

Страница 14: ...List of Table...

Страница 15: ...ield a small electromotive force EMF is induced perpendicular to the field and flow refer to Figure 1 1 Faraday s law E k BDV when E Induced voltage EMF B Strength of the magnetic field D Conductor wi...

Страница 16: ...the converter this product is available in two configurations integral and remote Integral Detector and converter are installed as an integrated unit on a pipe Remote Detector and converter are insta...

Страница 17: ...romagnetic Flowmeter Detector 1 3 1 2 2 Remote type AC power supply Pulse output Contact input output Analog output Digital output Excitation output Flow signal input Converter Dedicated cable Detecto...

Страница 18: ...on Hose Clamp detector The type of detector you choose depends on your specific installation requirements All types of detectors function such that when a conductive fluid passes through the detectors...

Страница 19: ...an electromagnetic force signal proportional to the flow rate of the fluid passing through the detector The electrode material varies depending on the corrosion characteristics of the fluid to be meas...

Страница 20: ...ect an electromagnetic force signal proportional to the flow rate of the fluid passing through the detector The electrode material varies depending on the corrosion characteristics of the fluid to be...

Страница 21: ...ctrodes generate an electromotive force signal proportional to the flow rate of the fluid passing through the detector The electrode material varies depending on the corrosion characteristics of the f...

Страница 22: ...the measured fluid flows in the direction indicated by this mark Electrodes The electrodes generate an electromotive force signal proportional to the flow rate of the fluid passing through the detecto...

Страница 23: ...ION The detector must be grounded grounding resistance is 100 W to avoid output fluctuation zero point instability or output drift Grounding terminal Signal terminals Excitation terminals Conduit wiri...

Страница 24: ...lowed Installation of this device FM CSA Nonincendive model THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS I DIVISION 2 GROUPS A B C D CLASS II III DIVISION 2 GROUPS F G OR NON HAZARDOUS LOCATIONS ONLY C...

Страница 25: ...ctor 1 11 If an MGG18 19 detector is used with an MGG14C converter as an FM approved nonincendive product both the detector and the converter should be FM approved nonincendive products If they are no...

Страница 26: ...Introduction Azbil Corporation 1 12 MagneW FLEX PLUS Electromagnetic Flowmeter Detector...

Страница 27: ...present MagneW FLEX PLUS Detector Standard accessories Precautions for installation sheet 2 1 1 Verifying specifications The specifications for this device are written on its attached identification p...

Страница 28: ...indoors at room temperature and humidity in a place safe from vibration or shock Store the device in the same condition as it was shipped When storing this device after use 1 Rinse the inside of the d...

Страница 29: ...ion The electrical conductivity of the fluid to be measured must match the stated specification specs vary according to the converter used and be more or less constant The fluid to be measured must be...

Страница 30: ...n axial symmetrical flow Install a straight pipe section on the upstream side of the detector The following figure shows the length of the straight pipe section D nominal bore diameter of the detector...

Страница 31: ...nal box using the method described below To change the position of the terminal box 1 Using an M5 wrench remove the four screws securing the terminal box to the detector 2 Holding the detector rotate...

Страница 32: ...touch the electrodes or allow oil or fat to come into contact with them to avoid output fluctuations Align the direction mark on the detector in the direction of the liquid flow Misalignment can resul...

Страница 33: ...mm inch Fastening torque N m ft lb 2 5 15 0 1 3 8 13 18 9 6 13 3 25 1 20 30 14 8 22 1 40 80 1 3 1 30 50 22 1 36 9 100 4 50 70 36 9 51 6 125 150 5 6 80 100 59 0 73 8 200 4 90 100 66 4 73 8 2 4 2 Select...

Страница 34: ...acement of detector between flanges CAUTION Make certain the bore diameters of the pipe and the detector are exactly the same and install the detector so that the gasket does not protrude into the inn...

Страница 35: ...ts create the exact alignment of the pipe and detector These nuts are positioned on through bolts and the detector is set on top of the nuts to properly position it against the flanges The position of...

Страница 36: ...red could accumulate between the gasket and the flange resulting in inaccurate measurement Table 2 2 Recommended inner diameters of gaskets Nominal detector bore diameter mm 2 5 5 10 15 25 40 50 65 80...

Страница 37: ...7 1 257 1 inch 1 34 0 04 1 34 0 04 1 34 0 04 1 34 0 04 1 97 0 04 2 95 0 04 3 58 0 04 4 37 0 04 4 76 0 04 5 75 0 04 6 97 0 04 8 15 0 04 10 12 0 04 Table 2 4 Inner and outer diameters of rubber gaskets...

Страница 38: ...ecifications of the detector to be installed and the conditions of installation Improper installation can result in leakage or damage to the pipe flanges Table 2 5 Wafer detector installation methods...

Страница 39: ...ore inserting the bolts Flange 2 Turn the detector so that the direction mark on the detector matches the direction of fluid flow Insert the detector and gaskets between the pipe flanges Position the...

Страница 40: ...nuts 2 Turn the detector so that the direction mark on the detector matches the direction of fluid flow Insert the detector and gaskets between the pipe flanges Gaskets Direction of fluid flow 3 Inser...

Страница 41: ...Although rubber gaskets can be used it is not possible to reduce the fastening torque See page 2 17 for installation using rubber gaskets CAUTION The use of rubber gaskets is not recommended and can...

Страница 42: ...e fastening torque See page 2 17 for installation using rubber gaskets CAUTION The use of anything other than the PTFE gaskets provided can result in leakage The use of rubber gaskets is not recommend...

Страница 43: ...nding ring 2 Reinsert the grounding ring on top of the rubber gasket 3 Remove the PTFE gasket and insert a rubber gasket 3 0 to 4 0 mm 0 12 to 0 16 inch to replace it 4 With the rubber gaskets in the...

Страница 44: ...Installation Azbil Corporation 2 18 MagneW FLEX PLUS Electromagnetic Flowmeter Detector Gasket Lining PTFE gasket Grounding ring Figure 2 14 Incorrect installation...

Страница 45: ...gaskets CAUTION The use of rubber gaskets and a lower fastening torque is not recommended and can cause insufficient surface pressure between the lining and the grounding ring resulting in leakage If...

Страница 46: ...tened with the specified torque Install the protective plate between the outer side of the PVC flange and the detector as shown in the figure below The protective plate protects the PVC pipe The torqu...

Страница 47: ...the detector and insert a rubber gasket 0 5 to 1 0 mm 0 02 to 0 04 inch thick between the lining and the grounding ring 2 Reinsert the grounding ring on top of the rubber gasket 3 With the rubber gask...

Страница 48: ...CAUTION The use of rubber gaskets and a lower fastening torque is not recommended and can cause insufficient surface pressure between the lining and the grounding ring resulting in leakage If tighten...

Страница 49: ...ith the specified torque Install the protective plate between the outer side of the PVC flange and the detector as shown in the figure below The protective plate protects the PVC pipe The torque level...

Страница 50: ...between the lining and the grounding ring 2 Reinsert the grounding ring on top of the rubber gasket 3 Remove the PTFE gasket and insert a rubber gasket 3 0 to 4 0 mm 0 12 to 0 16 inch to replace it 4...

Страница 51: ...ons Do not touch the electrodes or allow oil or fat to come into contact with them to avoid output fluctuations Align the direction mark on the detector in the direction of the liquid flow Misalignmen...

Страница 52: ...K 6 9 6 9 18 31 4 4 6 6 4 4 6 6 13 3 22 9 61 92 61 92 184 316 JPI 150 JPI 300 ANSI 150 ANSI 300 6 9 6 9 4 4 6 6 4 4 6 6 61 92 61 92 DIN PN10 16 DIN PN25 40 6 9 9 14 4 4 6 6 6 6 10 3 61 92 92 143 25 mm...

Страница 53: ...27 3 204 316 377 622 428 673 184 377 JPI 150 JPI 300 ANSI 150 ANSI 300 26 35 37 57 19 2 25 8 27 3 42 0 265 357 377 581 DIN PN10 16 DIN PN25 40 20 31 25 39 14 8 22 9 18 4 28 8 204 316 255 398 100 mm 4...

Страница 54: ...63 81 99 73 89 37 6 46 5 59 7 73 0 53 8 65 6 520 642 826 1010 744 908 JPI 150 JPI 300 ANSI 150 ANSI 300 69 85 82 97 50 9 62 7 60 5 71 5 704 867 836 989 DIN PN10 16 DIN PN25 57 69 108 127 42 0 50 9 79...

Страница 55: ...150 5 98 1 118 7 1162 1356 1764 2080 1356 1642 JPI 150 JPI 300 ANSI 150 155 189 114 3 139 4 1581 1927 DIN PN10 16 DIN PN25 106 129 214 251 78 2 95 1 157 8 185 1 1081 1315 2182 2559 600 mm 24 inches J...

Страница 56: ...tween two flanges if the space is too narrow It can damage the detector Figure 2 23 Unacceptable Placement of Detector Between Flanges CAUTION Make certain the bore diameters of the pipe and the detec...

Страница 57: ...not recommended CAUTION Using a gasket with too small a diameter can affect the flow velocity distribution resulting in inaccurate measurement Using a gasket with too large a diameter can cause leaka...

Страница 58: ...installed Select the appropriate method of installation from the following table after confirming the specifications of the detector to be installed and the conditions of installation Improper install...

Страница 59: ...bil Corporation recommends non rubber gaskets such as joint sheet or PTFE See Table 2 7 on page 2 31 for recommended inner bore diameters To install a flanged detector on a metal pipe using SUS ground...

Страница 60: ...type of installation If you supply the gaskets Azbil Corporation recommends non rubber gaskets such as joint sheet or PTFE To install a flanged detector on a metal pipe using non SUS grounding ring ma...

Страница 61: ...on page 2 32 PTFE gaskets are provided for this type of installation If you supply the gaskets Azbil Corporation recommends non rubber gaskets such as joint sheet or PTFE Although rubber gaskets can...

Страница 62: ...Install the detector as shown in the following illustration The torque level for tightening the bolts is not related to the gasket material See Table 2 6 on page 2 26 for the appropriate torque See T...

Страница 63: ...htened with the specified torque Install the protective plate between the outer side of the PVC flange and the detector as shown in the figure below The protective plate protects the PVC pipe The torq...

Страница 64: ...to 1 0 mm 0 02 to 0 04 inch thick between the lining and the grounding ring 2 Reinsert the grounding ring on top of the rubber gasket 3 Remove the PTFE gasket and insert a rubber gasket 3 0 to 4 0 mm...

Страница 65: ...r gaskets such as joint sheet or PTFE When using rubber gaskets gaskets of the same material with two different thicknesses 0 5 to 1 0 mm 0 02 to 0 04 inch and 3 0 to 4 0 mm 0 12 to 0 16 inch are requ...

Страница 66: ...n the following illustration The torque level for tightening the bolts is not related to the gasket material See Table 2 6 on page 2 26 for the appropriate torque See Table 2 7 on page 2 31 for the in...

Страница 67: ...th the specified torque Install the protective plate between the external side of the PVC flange and the detector as shown in the figure below The protective plate protects the PVC pipe The torque lev...

Страница 68: ...PTFE gasket and insert a rubber gasket 3 0 to 4 0 mm 0 12 to 0 16 inch to replace it 4 With the rubber gaskets in the position shown in the following figure attach the detector to the pipe Both rubber...

Страница 69: ...lowmeter on a stand Pipe connection For union assembly mount the union joint nuts supplied by the customer on the process pipe Connect the pipe by screwing it into the connection hole of the electroma...

Страница 70: ...llation method Example of clamp assembly Welding Pipe Ferrule Clamp Gasket Figure 2 34 Example of installation Welding a ferrule to the pipe Weld the supplied ferrule onto the pipe In the welding proc...

Страница 71: ...there is no misalignment of the gasket Misalignment can cause leakage or other hazards Gaskets and clamps are attached to sanitary model MGS18U Direction of installation Match the flow direction of t...

Страница 72: ...wiring information including the dedicated cable see the manual for the converter that you are using Power Supply Pulse Output Contact Input Output Analog Output Digital Output Excitation Output Flow...

Страница 73: ...s is recommended To avoid damaging the detector do not ground a welder to the detector Grounding resistance 100 or less As short as possible Figure 2 36 Grounding via the external grounding terminal 2...

Страница 74: ...s to be removed up to the end of the inside shield Dressing the dedicated cable Converter side To dress the dedicated cable 1 Scribe cut a line in the outside sheath black as shown in the following fi...

Страница 75: ...allowed to bend during soldering in some cases the conductive tube cannot be peeled off due to the heat of the solder 4 Cut the outside shield off at a point 5 mm 0 2 inch from the outside sheath lea...

Страница 76: ...hould be measured from this point Make the length of the lead wires slightly longer than necessary see the operating manuals for the products and trim to the specified length in Step 10 5 mm 0 2 inch...

Страница 77: ...5 mm 0 2 inch from its end Trim the other lead wires soldered to the shield sections to the specified lengths so that each conductive wire is exposed by 5 mm 0 2 inch 5 mm 0 2 inch C wire SA wire SB w...

Страница 78: ...Cable continuity Terminals Resistance A A 0 W B B C C Testing the insulation Test the insulation between the following terminals using an insulation resistance tester Table 2 11 Cable continuity Termi...

Страница 79: ...2 Wind the lead wire once around the outside shield 3 Solder the lead wire C wire to the middle of the 5 mm 0 2 inch length Make the length of the lead wire slightly longer than necessary and trim it...

Страница 80: ...ack Outside sheath Inside sheath Figure 2 50 Trimming the outside shield 5 Peel off the inside sheath so that a 15 mm 0 59 inch section remains CAUTION Do not cut into the inside shield 15 mm 0 59 inc...

Страница 81: ...oise is generated due to contact resistance CAUTION Do not cut into the conductive tube Inside sheath 18 mm 0 71 inch A wire B wire A wire B wire C wire C wire Figure 2 53 Attaching the lead wires SA...

Страница 82: ...istance tester Table 2 13 Cable continuity Terminals Resistance A B 100 MW 500 V DC A C B C Black White A B C 65 mm 2 56 inch B A C 60 mm 2 36 inch 40 mm 1 57 inch 70 mm 2 76 inch 60 mm 2 56 inch Blac...

Страница 83: ......

Страница 84: ...o your use 3 Measures to be taken to secure the required level of the reliability and safety of your Equipment in your use Although azbil is constantly making efforts to improve the quality and reliab...

Страница 85: ...argin of your machine or equipment you are required to renew any Azbil Corporation s products every 5 to 10 years unless otherwise specified in specifications or instruction manuals System products fi...

Страница 86: ......

Страница 87: ...M2 MGG200 2001 Document Name MagneW FLEX PLUS Electromagnetic Flowmeter Detector Model MGG11 18 MGG12 19 MGF11MGS11U 28U User s Manual Date 1st edition Dec 1997 7th edition Feb 2019 Issued Edited by A...

Страница 88: ......

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