Seametrics EX90 Bedienungsanleitung

EX90-SeriesEX90-Series

Electomagnetic InsertionElectomagnetic Insertion

Flow SensorFlow Sensor

ISO

9001

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 2 seametrics.com

TABLE OF CONTENTS

General Information

General Information ...................................................................................................................................................Page 3

Features...........................................................................................................................................................................Page 3

Specications ................................................................................................................................................................Page 4

Flow Rate ........................................................................................................................................................................Page 4

Dimensions ....................................................................................................................................................................Page 5

Installation

Chemical Injection or Fertigation..........................................................................................................................Page 6

Fitting Installation........................................................................................................................................................Page 6

Meter Installation ........................................................................................................................................................Page 6

Saddle Installation.......................................................................................................................................................Page 7

Straight Pipe Recommendations ...........................................................................................................................Page 8

Full Pipe Recommendations....................................................................................................................................Page 9

Connections

General Cable Information.......................................................................................................................................Page 10

Cable Gland Opening and Sealing........................................................................................................................Page 10

Cable Installation .........................................................................................................................................................Page 10

Wiring Diagrams ..........................................................................................................................................................Page 11

Cable Wiring Table ......................................................................................................................................................Page 11

Conguration

Cable Shield...................................................................................................................................................................Page 12

Pulse Output..................................................................................................................................................................Page 12

Operation

Minimum Flow..............................................................................................................................................................Page 13

Filtering............................................................................................................................................................................Page 13

Electrode Coating........................................................................................................................................................Page 13

Changing Flow Meter Settings - Standard Menu Options..........................................................................Page 13

Changing Flow Meter Settings - Submenu.......................................................................................................Page 13

Changing Flow Meter Settings - Home Screen and General Navigation..............................................Page 15

Changing Flow Meter Settings - Making Selections......................................................................................Page 15

To Change a Passcode...............................................................................................................................................Page 16

Power Indicators ..........................................................................................................................................................Page 16

Battery Powered Units ...............................................................................................................................................Page 17

Troubleshooting & Error Messages

Problem...........................................................................................................................................................................Page 18

Probable Cause.............................................................................................................................................................Page 18

Things to Try..................................................................................................................................................................Page 18

Error Messages .............................................................................................................................................................Page 19

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 3 seametrics.com

GENERAL INFORMATION

Features

TheEX90-seriesbatterypowered,insertionelectromagnetic

ow meter is designed for use with conductive uids in 4”–

12” pipe. The EX90’s stainless steel body allows the meter

to operate in a wide range of temperatures, pressure, and

corrosive or dirty environments.

The EX90 is highly suitable for dicult applications. With

no moving parts, these meters can be used in “dirty water”

applications where debris would foul a mechanical meter. If

the EX90 meter is used with a programmable controller, the

output signal can be fed direct, with no other conditioning

required.

Rate and total units can be set via the front panel touch key

pad by the user. Bidirectional ow is standard with totals

available in forward, reverse, net, batch forward and batch

reverse.

The EX90 is battery powered with an output cable available

for transmitting the pulse signal to remote devices. The

EX90 can be ordered with a saddle or weld tting designed

to accommodate a wide range of pipe sizes and types

while ensuring correct placement in the pipe. In addition,

an optional internal data logger allows local storage of

ow history.

The EX90 is also ideal for replacement of mechanical style

propeller meters.

Quickly and easily change Total Volume Units,

Flow Rate Units, Pulse Output Scaling, and many

other settings using the two light sensor button

controls on the display panel.

Battery Powered

Bidirectional Flow Reading

Pulse Scaled Output

Built-in Data Logger (Optional)

C276 Hastelloy electrodes

PVDF electrode cap

O-ring, EPDM

Powder-coated diecast aluminum

electronics housing

Sensor body (Stainless)

Output cable connector

Rate and total indicator with

light sensor button controls

Equalization lug

Data logger connector (Optional)

(Not shown)

Hinged Display Cover

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 4 seametrics.com

GENERAL INFORMATION

Specications*

Flow Range

Nominal Pipe Size 4” 6” 8” 10” 12”

Low Flow Cuto GPM

Low Flow Cuto LPS

19.3

1.22

43.11

2.72

77.1

4.86

120.5

7.6

173.5

10.95

Min GPM

Min LPS

64.3

4.1

144.6

9.1

257

16.2

401.6

25.3

578.3

36.5

Max GPM

Max LPS

578

36.5

1301

82.1

2313

145.9

3614

228

5204

328.3

10x/5x

Pipe Diameter

FLOW

Upstream straight pipe is selected during initial setup. Upstream

options are 5X or 10X the diameter and are based on the

amount of straight pipe available in either new or propeller meter

replacement installation. Downstream straight pipe requirement

is 2X the diameter. See programming setup for details.

Pipe Size 4” to 12”

Materials Sensor Body 316 SS

Electrodes Hastelloy

Housing Powder-coated diecast aluminum

Electrode Cap PVDF (Kynar®)

O-Ring EPDM

Temperature Operating 10˚ to 140˚ F (-12˚ to 60˚ C)

Storage -40˚ to 158˚ F (-40˚ to 70˚ C)

Fluid Temp. 32˚ to 200˚ F (0˚ to 93˚ C)

Pressure 200 psi (14 bar)

Flow Rate 0.5 - 4.5 m/sec (1.64 - 14.8 ft/sec) (Low ow cuto .15 m/sec; .49 ft/sec)

Calibration

Accuracy

0.5 - 4.5 m/s

(1.64-14.76 ft/sec) +/- 2% of reading

0.3 - 0.5 m/sec

(0.98 - 1.64 ft/sec) +/- (2% of reading + 0.25% of full scale)

Display Type 128x64 dot-matrix LCD

Digits 5 Digit Rate 8 Digit Total

Units

Please Note:

All meters are factory

set for gallons per

minute (GPM) rate and

acre foot total. If other

units are required, they

can be set in the eld.

Rate Volume Units Rate Time Units Total Volume Units

Gallons

Liters

Barrels (42 gallons)

Cubic Feet

Cubic Meters

Million Gallons1

Mega Liters1

Imperial Gallons

Million Imperial Gallons1

Second

Minute

Hour

Day

Gallons

Gallons x 10

Gallons x 100

Gallons x 1000

Million Gallons

Liters

Kilo Liters

Mega Liters

Barrels (42 gallons)

Cubic Meters

Cubic Meters x 1000

Cubic Feet

Cubic Feet x 1000

Million Cubic Feet

Imperial Gallons

Imperial Gallons x 1000

Million Imperial Gallons

Acre Inch

Acre Foot

Fluid Ounce

Bidirectional Forward Total, Reverse Total, Net Total, Batch Forward Total, Batch Reverse Total2

Power One lithium 7.2V ‘D’ size battery pack, replaceable.

Scaled Pulse

Output

Signal Current sinking pulse, isolated, 36 Vdc at 10 mA max

Pulse Rates User-scalable from 0.1 to 99,999.9 volume units/pulse. Pulse width varies with output frequency, 150

pulses/sec max

Cable Optional Output

Cable

20ft (6m) standard length polyurethane jacketed cable—for power and outputs.

(Lengths up to 200’ (60 m) available.)

Conductivity >20 microSiemens/cm

Empty Pipe Detection Hardware/software, conductivity-based

Regulatory Certied to NSF/ANSI standard 61 and NSF 372 (Stainless only with EPDM O-ring. Viton pending).

Environmental IP67

* Specications subject to change. Please consult our website for the most current data (seametrics.com).

1Rate Time Unit is available in Day only.

2 Forward and reverse ow totals are non-resettable. Batch forward and batch reverse totals can be reset.

Kynar is a registered trademark of Arkema, Inc.

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 5 seametrics.com

GENERAL INFORMATION

Dimensions

Top of Saddle

5.48 in (13.92 cm)

5.28 in

(13.41 cm)

4.76 in

(12.09 cm)

EX90-0400 - 10.40 in (26.42 cm)

EX90-0600 - 11.14 in (28.30 cm)

EX90-0800 - 11.86 in (30.12 cm)

EX90-1000 - 12.60 in (33.73 cm)

EX90-1200 - 14.29 in (36.30 cm)

CAUTION: Ensure that the U-clip is installed and never remove the U-clip

retainer when the pipe is under pressure. Always remove pressure from

the pipe before you attempt to remove the meter. Removal under pressure

may result in damage or serious injury.

Consult factory if your OD

does not match.

Saddle Weld

Saddle

Size

Saddle

Range

Carbon or

316 SS Weld

Fitting

4” 4.00”- 4.90” 4”

6” 6.00”- 6.90” 6”

8” 8.00” - 9.05” 8”

10” 10.00” - 11.10” 10”

12” 12.10” - 13.20” 12”

Install security clip and seal during installation

if regulations require. Security seal wire threads

through hole in security clip.

Install display security seal and captive screw

security wire during installation if regulations

require.

Install display security tab during installation if

regulations require.

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 6 seametrics.com

INSTALLATION

Side (3 o’clock), top (12 o’clock) installations are acceptable.

Orienting the Meter

Fitting Installation

EX90-Series meters require special saddles or weldo-o-lets

that ensure that the ow sensor is installed to the correct

depth. The tting must be installed in the pipeline before

the meter can be installed. For best results, see straight

pipe and full pipe information on pages 8 and 9.

If there is not enough straight run to smooth out the

turbulence caused by valves, ttings, and changes in

direction, some decrease in accuracy may result. This does

not mean that the ow meter’s reading is meaningless

however. In some applications (control systems, valve

operation, chemical addition) a repeatable reading may

be more important than a highly accurate one.

Upstream straight pipe is selected during initial setup. Upstream

options are 5X or 10X the diameter and are based on the amount of

straight pipe available in either new or propeller meter replacement

installation. Downstream straight pipe requirement is 2X the diameter.

See programming setup on page 14 for details.

Meter Installation

After the saddle or weld-o-let is installed in the pipeline,

the meter can be installed in the tting. After noting the

direction of the ow arrow, press the meter into the tting

as far as it will go. Retain the meter in place by inserting

the U-clip. The pin can be installed from either side. It may

be necessary to rotate the probe back and forth slightly to

start the pin into the slots on the probe. Slide the pin in

as far as it will go.

10X/5X

Chemical Injection

When any magmeter, by any manufacturer, is used in a

chemical injection application (including fertigation), the

chemical injection point must be placed downstream of

the magmeter OR far enough upstream for complete

mixing to occur before the uid reaches the meter. When

unmixed chemical or fertilizer alternates with water passing

through the meter, the rapid changes in conductivity may

cause sudden spikes and drops in the meter’s reading,

resulting in inaccurate measurement. The magmeter will

restabilize, however, with a steady ow of uid of uniform

conductivity.

Caution: In chemical injection

applications, install chemical injection

point downstream of magmeter, or far

enough upstream to allow complete

mixing of uids before the meter.

FLOW

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 7 seametrics.com

1. Clean the mounting surface, remove

any roughness from the area and cut a

1.75” hole into pipe. Place gasket centered

over pipe opening.

2. Place saddle top over gasket. 3. Make sure saddle top covers entire gasket.

1st

4th

3rd

2nd

New Saddle Installation

Weld-o-let Installation

BEFORE INSTALLING measure & record inside diameter (ID) of pipe.

NOTE: Gasket will extend

outside of a 4” pipe

saddle’s sides.

5. Place saddle plates over saddle

clamp threads. Attach nuts and

tighten as shown below. Torque to 75

ft-lb in cross pattern.

6. Insert the EX90 sensor into the saddle

tting and secure with mounting clip or

attach security clip and seals if required.

4. Place the saddle clamps under the

pipe and align with the clamp guides

on the saddle top.

1. Clean the mounting surface, remove

any roughness from the area and cut a

1.75” hole into pipe. Place gasket centered

over pipe opening.

2. Install weld-o-let 6. Insert the EX90 sensor into the weld-o-let

tting and secure with mounting clip or

attach security clip and seals if required.

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 8 seametrics.com

INSTALLATION

Straight Pipe Recommendations (X = diameter)

Better Installation

Allows air to bleed o

Pipe conguration selected during program setup.

Two Elbows In Plane

10X/5X

Full Pipe Recommendations

Possible Problem

Can create air pocket at sensor

For All Installations. Although not necessarily required in

every circumstance, to aid with the reduction of electrical

noise, static, and induced or transient voltages, every EX90

installation will benet by connecting the ground lug of the

meter to a 5/8” x 8’ independent ground rod dedicated to the

meter using at least a 10 GA ground wire.

Electronically Noisy Installations. When the EX90 is

installed in an electrically noisy system, such as near a VFD

etc. an independent ground rod is always recommended to

help with the reduction of the electrical noise and to help

protect against any large electrical spikes. In electrical noisy

installations, always conrm the rest of the equipment is also

well grounded. Do not connect VFD ground rods to any other

equipment.

Equalization Lug

Ground Clamp

(Exothermically weld when

corrosion is a concern)

8’ Ground Rod

Earth

#6, #8, or #10 AWG Stranded

Copper Ground Wire

Grounding

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 9 seametrics.com

INSTALLATION

Full Pipe Recommendations

Better InstallationPossible Problem

Air can be trapped Allows air to bleed o

Better InstallationPossible Problem

Allows air pockets to form at sensor Ensures full pipe

Post-valve cavitation can create air pocket Keeps pipe full at sensor

Better InstallationPossible Problem

EX90-SERIES INSTRUCTIONS

Seametrics • 253.872.0284 Page 10 seametrics.com

CONNECTIONS

EX90 General Cable Information

The EX90 meter has one cable connector. The cable contains the wires for scaled pulse output and external

DC power. See Sample Cable Wiring Diagrams and Wiring Table.

The EX90 is available as a Battery powered meter

Power/Output Cable

Battery Version with no external pulse output

No wiring is needed.

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