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Azbil MagneW Plus+ NNK140/941, User Manual

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NOTICE

© 2008-2019 Azbil Corporation All Rights Reserved.

While the information in this manual is presented in good faith and 

believed to be accurate, Azbil Corporation disclaims any implied war-

ranty of merchantability or fitness for a particular purpose and makes 

no express warranties 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. This information and specifications 

in this document are subject to change without notice.

Summary of Contents for MagneW Plus+ NNK140/941

Page 1: ...MagneW PLUS Electromagnetic Flowmeter Open Channel Flowmeter Detector User s Manual Model NNK140 941 NNK150 951 CM2 MGN200 2001...

Page 2: ...y implied war ranty of merchantability or fitness for a particular purpose and makes no express warranties except as may be stated in its written agreement with and for its customer In no event shall...

Page 3: ...Considerations on installation 17 4 2 Transportation of flowmeter to the installation site 18 4 3 Example of installation work 19 4 4 Examples of installation 20 5 Wiring 22 5 1 Considerations on wiri...

Page 4: ......

Page 5: ...al drawings of a Dummy 10 Figure 6 Drawing of a Dummy with Elbow flange 11 Figure 7 Detector with Elbow flange 12 Figure 8 Dummy with Elbow flange 12 Figure 9 Measuring a large flow rate using dummy d...

Page 6: ...List of Table Table 1 Tightening torque of detector 14...

Page 7: ...agneWTM 3000 FLEX PLUS NNK open channel electromagnetic flowmeter detector If you are using a MagneWTM 3000 FLEX PLUS NNK in combination with a converter refer to the operation manual of the converter...

Page 8: ...Azbil Corporation 2 MagneW PLUS Electromagnetic Flowmeter Open channel Flowmeter Detector...

Page 9: ...Corporation MagneW PLUS Electromagnetic Flowmeter Open channel Flowmeter Detector 3 2 External view Figure 1 Open channel type Electromagnetic flowmeter detector Figure 2 State during flow rate measur...

Page 10: ...Azbil Corporation 4 MagneW PLUS Electromagnetic Flowmeter Open channel Flowmeter Detector...

Page 11: ...without dummy or dummies 1 0 F S 2 0 F S When detector is used with dummy or dummies 2 0 F S 4 0 F S Note Recommended condition of use Without dummy Straight channel section on the upstream side of d...

Page 12: ...tor 23 kg dummy 3 4 kg 600 mm detector 220 kg dummy 59 4 kg 200 mm detector 45 kg dummy 10 4 kg 3 2 External dimensions Bell mouth type detector Installation interval Flow direction Weir Gate bolt or...

Page 13: ...nnel Flowmeter Detector 7 Installation interval Weir Gate bolt or more Hole Dia of Gate hole Signal Excitation cable Size 200mm Material Name plate Installation interval Weir Gate bolt or more Hole Di...

Page 14: ...S Electromagnetic Flowmeter Open channel Flowmeter Detector Installation interval Weir Gate bolt or more Hole Dia of Gate hole Flow direction Material Name plate Size 600mm Figure 3 Dimensional drawin...

Page 15: ...ter Detector 9 Detector with Elbow flange Installation interval Flow direction Weir Gate bolt or more Hole Dia of Gate hole Signal Excitation cable Size 50mm Installation interval Flow direction Weir...

Page 16: ...PLUS Electromagnetic Flowmeter Open channel Flowmeter Detector Installation interval Weir Gate bolt or more Hole Dia of Gate hole Signal Excitation cable Size 200mm Figure 4 Dimensional drawings of a...

Page 17: ...11 Dummy Flow direction Bolt or more Weir Gate hole Installation interval Hole Dia of Gate Size 50mm Flow direction or more Installation interval bolt Hole Dia of Gate Weir Gate hole Size 100mm Flow...

Page 18: ...Open channel Flowmeter Detector Installation interval Flow direction Weir Gate bolt or more Hole Dia of Gate hole Size 400mm Flow direction or more Installation interval Weir Gate bolt Hole Dia of Gat...

Page 19: ...eter Detector 13 Dummy with an Elbow flange Flow direction Movable section T L H Size 50mm 100mm 200mm Figure 6 Drawing of a Dummy with Elbow flange Size 50mm 100mm 200mm L 367 to 388 569 to 590 876 t...

Page 20: ...he elbow flange length can be changed A water level error caused by the use of a dummy detector can be corrected by adjusting the arm Water level adjusting arm Shrinkable Figure 7 Detector with Elbow...

Page 21: ...flow rate is to be increased in future the measurable range can be expanded easily by installing a model with an elbow flange with a cover 1 flowmeter 1 flowmeter 1 dummy 1 flowmeter 2 dummies Q q Q 2...

Page 22: ...Azbil Corporation 16 MagneW PLUS Electromagnetic Flowmeter Open channel Flowmeter Detector...

Page 23: ...Make sure that the electrode is situated horizontally Ground the flowmeter with the grounding terminal The placement of the grounding terminal is shown in Figure 11 After mounting a detector make sur...

Page 24: ...10 to 20 400mm 25 to 35 100mm 11 to 21 600mm 25 to 35 200mm 25 to 35 4 2 Transportation of flowmeter to the installation site Weigh the flowmeter and post the weight in a place where one can see it Ch...

Page 25: ...completion of installation Flowmeter mounting worker Support on upstream side of the gate Flowmeter mounting worker Bolt tightening on downstream side of the gate Flowmeter mounting worker Assigned to...

Page 26: ...o air 2 MagneW 3000 FLEX PLUS the NNK detector can be mounted in direct or reverse direction However wiring connections must be made accordingly Flow measurement with a NNK detector installed in an op...

Page 27: ...channel Flowmeter Detector 21 Pictures of flowmeter installation Measurement with one 200mm detector and one 200mm dummy High accuracy measurement with two 200mm detectors Installed on a water tank o...

Page 28: ...nd the converter is laid at a place where it cannot be damaged d Screw the tightening gland into the wire connection port of the converter in order to ensure airtightness between the cabtyle cable and...

Page 29: ...round Submersible detector Type NNK 100V AC or Selected power supply Category D ground Pulse A submersible electromagnetic flowmeter has 10m long cables as standard accessories Red Green White Black S...

Page 30: ...Grounding terminal on page 17 c Are the dummy detector and the detector installed at the same height If detectors with elbow flanges are used stop the flow and fill the elbow flanges with liquid and...

Page 31: ...detector 200mm 1unit Width of weir plate W 2m Maximum flow rate Qt 500m3 h Average flow velocity per detector V 2 21m s Conversion of water head differential H1 to water level in which Water head diff...

Page 32: ...ng the lower horizontal axis If a line is drawn perpendicular to his axis up wards to the top of this graph by drawing a lines directly left from the points of intersection Example Water head differen...

Page 33: ...t Maximum flow rate Qt 500m3 h Average flow velocity per detector V 2 21m s Water level calculation of head difference where Water head conversion coefficient of the elbow flange 0 055 Example For a d...

Page 34: ...Average flow velocity of detector m s Flow velocity conversion table Where Flow velocity m s Flow rate m3 h Flow velocity conversion coefficient Example Detector size 200 mm Flow rate per detector 25...

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Page 36: ...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...

Page 37: ...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...

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Page 39: ...MGN200 2001 Document Name MagneW PLUS Electromagnetic Flowmeter Open Channel Flowmeter Detector User s Manual Model NNK140 941 NNK150 951 Date 1st edition Nov 2008 3rd edition Nov 2019 Issued Edited b...

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