McCrometer McMag2000 Manuel utilisateur

30124-77 Rev. 1.2

March 24, 2020

McMag2000™

Battery Powered

Electromagnetic Flow Meter

Installation, Operation and

Maintenance Manual

30124-77 Rev. 1.2 | 24MAR2020

Page ii

Contents

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

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

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

3.0 INSTALLATION........................................................................2

3.1 Safety ...........................................................................2

3.2 Flow Direction ...................................................................3

3.3 Pipe Run Requirements...........................................................3

3.4 Basic Installation Steps ...........................................................3

3.5 Replacing an Existing Mc Propeller Saddle Meter ...................................4

3.6 Mc Propeller-to-Mc Mag2000 Conversion Kit .........................................4

3.7 Retrotting an Existing Mc Propeller Flow Meter ...................................4

4.0 REGISTER INTERFACE .................................................................6

5.0 FLOW METER SPECIFICATIONS ........................................................7

6.0 DIMENSIONS AND WEIGHTS ..........................................................9

7.0 RETURNING A UNIT FOR REPAIR .......................................................9

WARRANTY STATEMENT ...................................................................10

30124-77 Rev. 1.2 | 24MAR2020

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:

This symbol indicates important safety information. Failure to follow the instructions can result in serious

injury or death.

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

damage to the meter or installation site.

IMPORTANT

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.

WARNING

!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.

WARNING

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

detector, tripod, lifeline, and other safety equipment.

WARNING

!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.

WARNING

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

cutting.

30124-77 Rev. 1.2 | 24MAR2020

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 register to

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

The saddle mounted sensor (available for pipe sizes from 4 to 12 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 register is powered by a replaceable two cell lithium-thionyl chloride (Li-SOCI2) battery that can provide ow

measurement for ve years (including a ve-year battery warranty).Optional DC power supply is 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 INSTALLATION

3.1 Safety

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 register the ow.

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

• Before starting a system, make sure all connections are properly secured. Keep a safe and prudent distance away from

the meter during system start-up.

30124-77 Rev. 1.2 | 24MAR2020

Page 3

Installation

3.2 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)

3.3 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 saddle 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

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.

3.4 Basic Installation Steps

WARNING

!WARNING!

Insure that the line is depressurized

before beginning installation!

Flow Direction

Downstream

Upstream

NOTE

The Mc Mag2000 should not be connected to

any earth ground. Connecting to an earth

ground may adversely aect meter performance.

IMPORTANT

30124-77 Rev. 1.2 | 24MAR2020

Page 4

Installation

3.5 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 3.4. The replacement ow meter will be fully

assembled and ready to install.

3.6 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.

3.7 Retrotting an Existing Mc Propeller Flow Meter

Mc Propeller 4” to 12” 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 register, 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.

5.1

5.2

5.3

Figure 2. Conversion Kit

Item # Description Part #

1 Converter Unit G2-CONV

2 O-Ring (243 Buna) 1-1551-38

3 Base Plate R0138-10

4 Screw 10-32 x 1.25”Long 10730

5Bushing and O-Ring Assembly

5.1 Bushing R0155-00

5.2 O-Ring (021 Buna) 10273

5.3 O-Ring (121 Buna) 10274

6 Gasket 10023-00

7 O-Ring (024 Buna) 10110-10

8 Sensor EA540-00

NOTE

The Mc Mag2000 can be used to replace existing 4”to 12” Mc Propeller saddle meters. The meter CANNOT be used

to replace a Water Specialties bolt on saddle meter.

IMPORTANT

NOTE

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

base plate. The converter will not be grounded if the grounding jumper is not connected with both screws. (See

exploded view in Figure 2 and Figure 3.)

IMPORTANT

30124-77 Rev. 1.2 | 24MAR2020

Page 5

Installation

Converting the ow meter

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

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

Mag2000.

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

the U bolts. All other parts will not be used.

3. Connect the base plate (#3) to the saddle with the

bushing, two o-rings, and gasket (items #5, 6, 7).

4. Place the O-ring (#2) on top of the base plate (#3) and

feed the end of the converter cable through the ell.

5. Plug the cable into the sensor (#8).

6. Twist the sensor counter-clockwise 4-5 times and then

screw the sensor onto the ell.

7. Twist any excess length of cable into the cup section of

the base plate and secure it with screws (#4), ensuring the

O-ring is properly seated in the groove in the bottom of

the converter.

8. Install the saddle as described in section 3.5.

Re-inserting the ow meter

9. Loosen and remove the nuts and washers from the straps.

Remove the straps from the saddle.

10. Apply lubrication to the gasket and inner diameter of

U-bolts with MolyKote lubricant or equivalent.

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

12. Place U-bolts underneath the pipe and through the saddle clips.

13. Place the provided washers and nuts on the U-bolts that have been installed through the saddle clips.

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

14a.Tighten the nuts to 40 ft. lbs. evenly using a gure 8 pattern.

14b.Tighten the nuts to 60 ft. lbs. evenly using a gure 8 pattern.

14c.Tighten the nuts to 80 fts. lbs. evenly using a gure 8 pattern.

15. 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.

16. Repeat steps 14a through 14c exactly as described. Any step that is skipped may result in an improper seal.

17. Apply pressure/turn on pump.

18. Verify the saddle is not leaking water. If it is, repeat steps 15 through 17 until the saddle has sealed.

Figure 3. Mc Mag2000 assembly

NOTE

Be careful when starting the threads not to cross-

thread.

Hand-tighten only. Do not overtighten the sensor

onto the ell! This many damage the sensor and the

sealing surface.

IMPORTANT

Electronic

Screws

Ethernet cable

and connector

Saddle

Nut and washer Gasket

Bushing

O-rings

Ell

Top and

bottom

electrodes

U bolts

Sensor

Grounding

jumper

30124-77 Rev. 1.2 | 24MAR2020

Page 6

4.0 REGISTER INTERFACE

The display is activated when the lid is opened. (Figure 4) The display will remain active for 30 seconds. The various parts of

the interface screen is shown below (Figure 5).

Figure 4. Lift lid to activate the display Figure 5. Interface Screen

Rate

Total

Total unit

Multiplier

Rate unit

Alarms

NOTE

To save battery life, always close the lid after reading the display. If the lid is kept open, the display will remain

on, reducing battery life.

If the lid is lost, contact the factory immediately for a replacement.

IMPORTANT

30124-77 Rev. 1.2 | 24MAR2020

Page 7

FLOW METER SPECIFICATIONS

5.0 FLOW METER SPECIFICATIONS

McMag2000 with EasyRead Technology is designed for simplicity at an aordable price. The meter uses a small sensor

with two electrodes measuring in the center of the pipe, and easy to read (no scrolling) rate and totalizer on one screen.

The meter comes battery powered as a standard with no outputs. However, it oers pulse out and DC powered options

available as adders. McMag2000 with Easy Read Technology has industry standard ±2% accuracy while boasting a full 5

year warranty.

Flow Meter Specications

30122-86 Rev. 1.1 | unreleased

Page 4

Specication Sheet

McMag2000™ Flow Meter

Description and Operating Specications

Volumetric ow in lled ow conduits 4”to 12”utilizing saddle installed sensor. Flow

indication in English Standard or Metric units.

Method Electromagnetic

Pipe Sizes and Flow

Rates

4” 40 - 600 gpm

6” 90 - 1350 gpm

8” 150 - 2350 gpm

10” 240 - 3700 gpm

12” 350 - 5300 gpm

Body Style Saddle mount

Pressure 150 psi (10.3 bar) working pressure

Accuracy ±2% accuracy, or ±0.25% of standard full scale ow

Empty Pipe

Detection Hardware/Software, conductivity-based

Electrical

connections

Optional shielded cable for 10-35VDC

Optional shielded cable for pulse out

Pipe Run

Requirements 5D Upstream / 2D Downstream

Retrot Available using Mc® Propeller saddle

Display and Measurement

Display

• Large LCD display (no backlight)

• Non-volatile memory

• Anti-reverse totalizer (standard)

• Total (to 9 digits of precision)

• Flow Rate and Velocity (to 5 digits of precision)

• Low battery and empty pipe indication

• Opening lid activates display

Digits 5 Rate, 9 Total

Units

Gallons per minute

Million gallons per day

Cubic feet per second

Megaliters per day

Liters per second

Cubic meters per hour

Liters per minute

Gallons per hour

Imperial gallons per minute

Miner’s inch (9G)

Miner’s inch (11.22G)

Acre-feet per day

Kiloliters per hour

Liters per hour

Cubic meters per minute

Cubic feet per minute

Barrels per minute (55G)

Barrels per hour (55G)

Barrels per day (55G)

Barrels per minute (42G)

Barrels per hour (42G)

Barrels per day (42G)

Power

Battery Standard: two 3.6V lithium-thionyl chloride (Li-SOCI2) D size batteries. Batteries are eld

replaceable. Unit contains backup battery.

DC Power Linear power supply 10-35VDC, 2W

Battery Life Five-year expected battery life, ve-year battery warranty.

Note: Battery expectancy is with standard conguration

30124-77 Rev. 1.2 | 24MAR2020

Page 8

FLOW METER SPECIFICATIONS

Flow Meter Specications

30122-86 Rev. 1.0 | 20FEB2020

Page 4

Specication Sheet

McMag2000™ Flow Meter

Environmental

Operating

Temperature 10° to 140°F (-12° to 60°C) sensor

Storage

Temperature -20° to 149°F (-29° to 65°C)

Operating Pressure 150 PSI

Water

Impermeability IP67

Outputs

Pulse Output One digital pulse (open collector) output for volumetric

Options and Accessories

• Epoxy coated carbon steel anged spool piece

• DC power w/battery backup

• Annual verication / calibration

• Stainless Steel ID tag

• Boot cover

Materials

Sensor Body HDPE plastic

Electrodes Stainless steel (316)

Saddle Mount Stainless steel (304)

Saddle Hardware Stainless steel (304)

Electronic Housing IP-67 Certied diecast aluminum, powder coated enclosure w/ tamper resistant seal, 6” x 6”x

5” tall

Saddle Gasket Neoprene

Boot Cover EPDM rubber optional

Warranty

Meter 5-year standard warranty

Battery 5-year warranty

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