McCrometer McMag2000 Manuel utilisateur

30124-77 Rev. 1.9

September 14, 2022

McMag2000™

Battery Powered

Electromagnetic Flow Meter

Installation, Operation and

Maintenance Manual

30124-77 Rev. 1.9 | 14SEP2022

Page ii

Contents

SAFETY SYMBOLS AND WARNINGS..........................................................1

1.0 INTRODUCTION ......................................................................2

2.0 PRINCIPLE OF OPERATION ............................................................2

3.0 PREPARING FOR A NEW INSTALLATION ................................................2

3.1 General Installation Considerations ...............................................2

3.2 Sensor Location ..................................................................3

3.3 Remote Mount Converter Location ................................................3

3.4 Flow Direction ...................................................................3

3.5 Pipe Run Requirements...........................................................3

4.0 FLOW METER INSTALLATION ..........................................................4

4.1 Basic Installation Steps ...........................................................4

4.2 Replacing an Existing Mc Propeller Saddle Meter ...................................5

4.3 Installing a Flow Straightener or Straightening Vanes...............................5

4.4 Mc Propeller-to-Mc Mag2000 Conversion Kit .........................................5

4.5 Retrotting an Existing Mc Propeller Flow Meter ...................................5

5.0 INTERNAL WIRE CONNECTION.........................................................8

5.1 Cable Gland Assignment for Wiring Harnesses .....................................8

5.2 Terminal Block Diagram and Grounding Lug .......................................8

5.3 Wiring Diagrams .................................................................9

5.4 Optional Smart Output Hook Up .................................................10

6.0 EXTERNAL WIRE CONNECTION .......................................................10

6.1 Cable Gland Connections ........................................................10

6.2 Quick Connect Cabled Ends (Optional) ............................................11

6.3 Power Options ..................................................................12

6.4 DC Power Cable (Optional) .......................................................12

6.5 4-20mA Current Loop............................................................12

6.6 Pulse Output Cable (Optional)....................................................12

7.0 BATTERY INSTALLATION AND REPLACEMENT .........................................13

8.0 OPERATION .........................................................................17

8.1 General.........................................................................17

8.2 Activating the Display ...........................................................17

8.3 Converter Boot..................................................................17

9.0 CONVERTER CONFIGURATION........................................................18

10.0 ERROR MESSAGES FOR TROUBLESHOOTING ..........................................19

11.0 SPECIFICATIONS.....................................................................20

12.0 DIMENSIONS AND WEIGHTS .........................................................23

13.0 RETURNING A UNIT FOR REPAIR ......................................................23

WARRANTY STATEMENT ...................................................................24

30124-77 Rev. 1.9 | 14SEP2022

Page 1

Safety symbols and warnings

When installing, operating, and maintaining McCrometer equipment where hazards may be present, you must protect

yourself by wearing Personal Protective Equipment (PPE) and be trained to enter conned spaces. Examples of conned

spaces are manholes, pumping stations, pipelines, pits, septic tanks, sewage digesters, vaults, degreasers, storage tanks,

boilers, and furnaces.

You must follow all state and local laws, as well as Occupational Safety and Health Administration (OSHA) regulations

concerning Personal Protective Equipment and conned-space entry. Specic requirements can be found in the OSHA

section of the Code of Federal Regulations: 29 CFR, 1910.132 - 1910.140, Personal Protective Equipment; and CFR Title 29,

Part 1910.146, Permit-Required Conned-Spaces.

SAFETY SYMBOLS AND WARNINGS

Throughout this manual are safety warning and caution information boxes. Each warning and caution box will be identied

by a large symbol indicating the type of information contained in the box. The symbols are explained below:

WARNING - This symbol indicates important safety information. Failure to follow the instructions can result

in serious injury or death.

IMPORTANT - This symbol indicates important information. Failure to follow the instructions can result in

permanent damage to the meter or installation site.

Incorrect installation or removal of meters can result in serious injury or death. Read the instructions in this

manual on the proper procedures carefully.

Never enter a conned space without testing the air at the top, middle, and bottom of the space. The air

may be toxic, oxygen decient, or explosive. Do not trust your senses to determine if the air is safe. You cannot

see or smell many toxic gases.

Never enter a conned space without standby/rescue personnel within earshot. Standby/rescue personnel

must know what action to take in case of an emergency.

Never enter a conned space without the proper safety equipment. You may need a respirator, gas

detector, tripod, lifeline, and other safety equipment.

Cutting into a pressurized pipe may cause injury or death. Always ensure the pipe is empty BEFORE

cutting.

30124-77 Rev. 1.9 | 14SEP2022

Page 2

Introduction

1.0 INTRODUCTION

The McMag2000 bolt-on saddle meter oers the convenience of installation and operation of a propeller meter with the

accuracy and ease of use of a mag meter. It combines a single point sensor with a battery powered electronic converter to

provide accurate ow measurement for full-pipe ow monitoring applications.

The saddle mounted sensor (available for pipe sizes from 4 to 16 inches) uses electromagnetic technology to measure the

water ow and correct for shifting velocity in the pipe by constantly obtaining a mean velocity from the sensor.

The electronic converter is powered by a replaceable three cell lithium-thionyl chloride (Li-SOCI2) battery that can provide

ow measurement for ve years (including a ve-year battery warranty). Optional AC and DC power supplies are also

available.

2.0 PRINCIPLE OF OPERATION

The McMag2000 uses Faraday's Law of electromagnetic induction to measure water velocity. Faraday's Law states that a

conductor, moving through a magnetic eld, produces a voltage.

Charge carriers in the uid produce a voltage when passing through a magnetic eld. The magnitude of the voltage is

directly proportional to the velocity at which the uid moves through the magnetic eld. Electromagnetic coil inside the

sensor produces a magnetic eld, and electrodes on the sensor’s surface measure the voltage generated by the moving

uid. The individual velocity measurements are averaged together providing the average velocity across the pipe center

line. Flow is calculated by multiplying the average velocity by the cross-sectional area of the pipe.

3.0 PREPARING FOR A NEW INSTALLATION

3.1 General Installation Considerations

Proper meter installation is the rst step to ensure excellent meter performance. Follow these instructions closely. Consult

an authorized service representative or the Factory for any circumstances encountered which are not covered in this

manual.

All McCrometer products are tested and inspected during manufacture and prior to shipping. An inspection should be

performed at the time of unpacking to detect any damage that might have occurred during shipment.

WARNING!

Incorrect installation or removal of meters can result in serious injury or death. Read the instructions in

this manual on the proper procedures carefully.

• Any person installing, inspecting, or maintaining a McCrometer ow meter should have a working understanding of

piping congurations and systems under pressure.

• Before adjusting or removing any meter, be certain the system has depressurized completely.

• Be careful when lifting meters. Meters can cause serious injury if lifted incorrectly or dropped.All magnetic ow

meters are calibrated for a full pipeline only; if less, the ow meter will over measure the ow.

• Although a minimum line pressure is not necessary for an accurate measurement, a full pipe is necessary.

• With the meter installed, check the rate-of-ow indicator. It should be stable to the point that it can be easily read.

Some indicator movement is normal due to variations in ow. Erratic movement of the indicator is normally caused

by ow variations and the system should be checked. Drastic variations in ow can decrease meter accuracy. If you

suspect a problem with the meter, please contact your local McCrometer representative.

30124-77 Rev. 1.9 | 14SEP2022

Page 3

Preparing for a New Installation

3.2 Sensor Location

Adjoining pipe must be adequately supported, and the area around the sensor should provide sucient drainage to

prevent ooding the converter or conduits. The location chosen should provide room to read the display and be free from

harsh electrical noise from adjacent equipment, cables, RFI, or EMI.

3.3 Remote Mount Converter Location

The signal converter may be installed in a desired location provided that free access is available to allow the display to

be viewed as required. The unit can be either wall mounted or panel mounted with masonry xings or nuts and bolts

respectively via the xing holes provided. The maximum distance between the meter and the converter is 25 feet. For

applications with extended lengths, consult factory.

3.4 Flow Direction

It is very important to install the ow meter relative to the ow of the water. The sensor must face the ow direction in order

for it to make proper measurements. (Figure 1)

3.5 Pipe Run Requirements

Flow meters are velocity sensing devices and are vulnerable

to certain upstream disturbances. Because of this, meters

need certain lengths of straight pipe before and after the

meter. These distances relate to the diameter of the pipe

used. Obstructions can include elbows, valves, pumps,

and changes in pipe diameter. The uneven ow created by

these obstructions can vary with each system.

Both upstream and downstream distances are measured

from the center of the sensor as shown below. In a typical

installation to achieve ±2% accuracy the McMag2000 ow

meter should be installed a minimum of ve diameters

upstream from most ow disturbers and two diameters

downstream of the meter. (Figure 1)

Figure 1. Pipe run requirements

Flow Direction

Conguration A B

With or without

straightening vanes 5 2

With ow straightener 1.5 1

30124-77 Rev. 1.9 | 14SEP2022

Page 4

Flow Meter Installation

4.0 FLOW METER INSTALLATION

4.1 Basic Installation Steps

The McMag2000 is a saddle type meter. It may be installed

directly onto an existing pipe. Follow these steps for a new

ow meter installation.

1. Cut or hole-saw a round hole minimum 3” in diameter

in the pipe and remove all burrs, slag, and rough edges

from the inside and outside of the cutout section.

2. Loosen and remove the nuts and washers from the

straps. Remove the straps from the saddle.

3. Apply lubrication to the gasket and inner diameter of

U-bolts with MolyKote lubricant or equivalent.

4. Place saddle with gasket in place over the cut out.

5. Place U-bolts underneath the pipe and through the

saddle clips.

6. Place the provided washers and nuts on the U-bolts

that have been installed through the saddle clips.

7. Start tightening down the nuts evenly in a gure 8

pattern.

7a. Tighten the nuts to 40 ft. lbs. evenly using a gure

8 pattern.

7b. Tighten the nuts to 60 ft. lbs. evenly using a gure

8 pattern.

7c. Tighten the nuts to 80 fts. lbs. evenly using a gure

8 pattern.

8. Go back around and loosen all of the nuts. Do not

back the nuts completely o of the U-bolts. The goal

is to release force and tension o of the saddle and the

gasket.

9. Repeat steps 7a through 7c exactly as described. Any

step that is skipped may result in an improper seal.

10. Apply pressure/turn on pump.

11. Verify the saddle is not leaking water. If it is, repeat steps

8 through 10 until the saddle has sealed.

Ensure that the line is depressurized before

beginning installation!

The McMag2000 generally does not require

grounding, particularly when the piping itself

is conductive (metal) and common to earth

ground. However, grounding can be helpful in some

circumstances involving high noise environments,

line powered installations, and/or electrically isolated

piping. It is recommended to install the meter without

grounding unless it is found necessary for the application

or as required by local electrical code(s).

NOTE

30124-77 Rev. 1.9 | 14SEP2022

Page 5

Flow Meter Installation

4.5 Retrotting an Existing Mc Propeller Flow Meter

Mc Propeller 4” to 16” saddle ow meters can be retrot to a Mc Mag2000 ow meter. When the existing saddle meter has

been removed, follow the instructions below for converting and reinstalling the ow meter.

The Mc Mag2000 ow meter reuses the saddle and U bolts from an existing ow meter. The converter, canopy, base plate,

propeller, and bearing housing are not used. You may wish to keep these components as replacement parts for other

propeller ow meters you have.

6.1

5.1

7.1

6.2

5.2

6.3

5.3

6.4

7.3

Figure 2. Conversion kit

Item # Description Part #

1 Converter Unit G2-PCGO

2 Ethernet cable 1-1709-01-22

3 O-Ring (039 Buna) 1-1551-29

4 Adapter plate R0161-00

5Screws and washers

5.1 Screw 10784

5.2 Lock washer 10774

5.3 Flat washer 10780

6Bushing and O-Ring Assembly

6.1 Bushing R0155-00

6.2 O-Ring (021 Buna) 10273

6.3 O-Ring (121 Buna) 10274

6 Gasket 10023-00

7Sensor Assembly

7.1 Sensor EA540-10

7.2 O-Ring (024 Buna) 10110-10

7.3 Sensor collar ring 10903

-- Tamper-proof seal 55016-08

-- IOM Manual 30124-77

-- Quick Start Guide 30124-79

-- Labels: 1 converter,

1 saddle --

7.2

4.2 Replacing an Existing Mc Propeller Saddle Meter

The McMag2000 has been designed for easy replacement in the eld for Mc Propeller ow meters. When the existing saddle

meter has been removed, follow the basic installation instructions in section 4.1. The replacement ow meter will be fully

assembled and ready to install.

4.3 Installing a Flow Straightener or Straightening Vanes

McMag2000 can be used with a ow straightener or straightening. Installation instructions can be found in a separate

document, 30125-39, Flow Straightener Installation, which can be found on the McCrometer Web site.

After installation, the converter must be congured for use with one of three types of ow straighteners. See section 9.0

for conguration.

4.4 Mc Propeller-to-Mc Mag2000 Conversion Kit

Check the parts received against the parts list and Figure 2 and Figure 3. Contact the factory to report any discrepancies.

The Mc Mag2000 can be used to replace existing 4”to 16”Mc Propeller saddle meters. The meter CANNOT be used

to replace a Water Specialties bolt on saddle meter.

NOTE

30124-77 Rev. 1.9 | 14SEP2022

Page 6

Flow Meter Installation

Refer to Figure 2 and Figure 3 for the conversion procedure.

Removing the ow meter

1. Remove the ow meter that will be converted to an

McMag2000.

2. Remove all parts from the saddle. Keep the saddle,

U-bolts and U-Bolt nuts/washers. All other parts will

not be used.

3. Connect the adapter plate (#4) to the saddle with the

bushing (#6.1), two O-rings (#6.2 & 6.3), and gasket

(#6.4). Ensure to adequately tighten the bushing (>50ft-

lbf) to avoid loosening over time.

4. Replace and lubricate the two O-rings (#7.2) on the

threaded end of the ell.

5. Install the sensor collar ring (#7.3) onto the threaded

end of the ell.

Replacing the converter on the ow meter

6. Remove the ProCommGo converter lid by loosening

the four captive screws at each corner until the lid can

be lifted from the converter enclosure base.

7. Loosen the two captive screws that secure the

unhinged end of the internal bracket from the lower

converter housing. The internal bracket (which holds

the main circuit board and battery pack) should now

swing freely over to one side, thus exposing the bottom

of the converter enclosure base, large pass through and

four mounting holes.

8. Place the lubricated O-ring (#3) into the groove on top

of the adapter plate (#4) and mount the base plate of

the ProCommGo converter onto the adapter plate with

the four mounting screws (#5.1), lock washers (#5.2),

and at washers (#5.3).

9. Insert Ethernet cable assembly (#2) down through

the bushing (#6.1) and ell until the Ethernet plug end

extends 2-3 inches beyond the threaded portion of the

saddle elbow.

10. Plug the cable into the sensor (#7.1).

11. Push the sensor onto the elbow (threaded end) until the

skirt of the sensor has extended past the rst O-ring.

The sensor should stop against the threads.

12. Screw the sensor onto the ell. Hand tighten only. Do not

cross thread when attaching sensor.

13. Reconnect unhinged end of internal bracket to

converter base using captured screws. Ensure the green

reference wire lug is held securely under screw.

14. Route cable under bracket and connect the electrode

and coil plugs into main circuit board.

15. Reattach converter lid; ensure enclosure O-ring is in

place, lubricated and not pinched.

16. Install tamper proof seal (#XX) once assembly is

complete.

During the retrot procedure, make sure you insert all four screws when attaching the converter unit to the

adapter plate. (See exploded view in Figure 2 and Figure 3.)

Figure 3. Mc Mag2000 assembly

Sensor

collar ring

ProComm GO

Screws /

Washers

Ethernet cable

and connector

Saddle

Nut and

washer set x4 Adapter plate

Gasket

O-ring

Bushing

O-rings

Ell

Top and

bottom

electrodes U bolts

Sensor

collar ring

30124-77 Rev. 1.9 | 14SEP2022

Page 7

Flow Meter Installation

Re-inserting the ow meter

17. Loosen and remove the nuts and washers from the

straps. Remove the straps from the saddle.

18. Apply lubrication to the gasket and inner diameter of

U-bolts with MolyKote lubricant or equivalent.

19. Place saddle with gasket in place over the cut out.

20. Place U-bolts underneath the pipe and through the

saddle clips.

21. Place the provided washers and nuts on the U-bolts

that have been installed through the saddle clips.

22. Start tightening down the nuts evenly in a gure 8

pattern.

22a.Tighten the nuts to 40 ft. lbs. evenly using a gure

8 pattern.

22b.Tighten the nuts to 60 ft. lbs. evenly using a gure

8 pattern.

22c. Tighten the nuts to 80 fts. lbs. evenly using a gure

8 pattern.

23. Go back around and loosen all of the nuts. Do not

back the nuts completely o of the U-bolts. The goal is

to release force and tension o of the saddle and the

gasket.

24. Repeat steps 22a through 22c exactly as described. Any

step that is skipped may result in an improper seal.

25. Apply pressure/turn on pump.

26. Verify the saddle is not leaking water. If it is, repeat steps

23 through 25 until the saddle has sealed.

30124-77 Rev. 1.9 | 14SEP2022

Page 8

INTERNAL WIRE CONNECTION

Grounding connection

for remote mount

Grounding connection

for AC power

Figure 5. Terminal blocks Figure 6. Grounding lug

Coils and electrodes

Pulse / 4-20 mA outputs AMI outputs

Power

See section

5.3 for wiring

diagram for each

terminal block.

Port assignment

1 - Outputs

2 - Outputs

3 - Power

4 - Coils

5 - Electrodes

123

5.0 INTERNAL WIRE CONNECTION

This section describes cable and wire harness connection inside the converter. Section 6.0 describes wire connection for all

peripherals outside of the converter, including pulse output and external power options.

5.1 Cable Gland Assignment for Wiring Harnesses

Figure 4. Meter mount view

5.2 Terminal Block Diagram and Grounding Lug

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