Omega Products FMG-3001-PVDF-HA Installation Manual

User’s Guide

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STAMFORD, CT

ISO 9002

CERTIFIED

CORPORATE QUALIT Y

MANCHESTER, UK

FMG-3000 SERIES Blind version

Magmeter

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®

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dy 1868, 733 01 Karvin. 8

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The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifi cations without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

Omega FMG-3000 Series Magmeter

Topic: Page

1. Quick Start Guide 1

2. Specifi cations 2

3. Installation Pipe Fittings 3

4. Selecting a Location 3

5. FMG-3000 Magmeter Confi guration 4

Topic: Page

6. General Installation & Grounding Tips 5

7. Wiring the Magmeter with 4-20 Loop out 5

8. Wiring the Magmeter with freq. out 6

9. Calibration Data 6-10

10. Maintenance & Troubleshooting 11

11. Ordering Information 12

1. Quick Start Guide

This manual contains the general installation, wiring and calibration data for the Omega FMG-3000 Series Magmeter with Frequency or
Current output. The basic steps are outlined on this page. See each referenced section for detailed information.

1. Position the PIPE SIZE Jumper according

to your pipe size. Sec. 5 Pg. 4

2. Install the Magmeter into the pipe.

Use Omega installation fi ttings ONLY.
The installation fi tting is critical to

Magmeter performance. Sec. 3-4, Pg. 3

FREQUENCY OUT
DO NOT REMOVE

1.

Sensor Type Pipe Size Jumper Position

½ in. to 2½ in.

FMG3001 DN15 to DN65

FMG3002 3 in. to 4 in.
DN80 to DN100

FMG3101 5 in. to 6 in.
FMG3102 DN125 to DN150

8 in.
DN200

FMG3201 10 in. to 12 in.
FMG3202 DN250 to DN300

Connect output signals and power
to this 4-terminal block.

JP2

4

3

2

1

3.

3.

4.

3. Connect POWER and OUTPUT wiring.

FMG-3001 and FMG-3101 Frequency out:

Sec. 8.1 Pg. 6

FMG3002 and FMG-3102 Current out wiring:

Sec. 7 Pg. 5

GROUNDING

Without a good Earth Ground, the Magmeter

may not operate effi ciently. Sec. 6 Pg. 5

4. Route the wiring out through the two

cable ports. Use appropriate hardware
to secure the FMG-3000 from moisture
intrusion. One Liquid Tight Connector
is included. Sec. 5-6 Pg 4-5

2.

1

SAFETY INSTRUCTIONS

1. Depressurize and vent system prior to installation or removal.

2. Confi rm chemical compatibility before use.

3. Do not exceed maximum temperature/pressure specifi cations.

4. Wear safety goggles or face shield during installation/service.

5. Do not alter product construction.

6. Disconnect power before attempting any service or wiring.

2. Specifi cations

Wetted Materials:

• Sensor body, electrodes and grounding ring:

• -PP: Polypropylene and 316L Stainless Steel

• -PVDF and 316L Stainless Steel

• O-rings: FPM standard
EPDM, Kalrez® optional
Other materials:

• Case: PBT

• Ground terminal: 316 Stainless Steel

Power Requirements

• 4 to 20 mA: 21.6 to 26.4 VDC, 22.1 mA maximum
400 mV p-p maximum ripple voltage

• Frequency: 4.5 to 26.4 VDC, 15 mA maximum

• Reverse polarity and short circuit protected

Performance

• Pipe size range: FMG-3000: ½ in. to 4 in.
FMG-3100: 5 in. to 8 in.
FMG-3200: 10 in. to 12 in.

• Flow Range Minimum: 0.05 m/s (0.15 ft/s)
Maximum: 10 m/s (33 ft/s)

• Linearity: ±(1% reading + 0.01 m/s)
±(1% reading + 0.033 ft/s)

• Repeatability ±0.5% of reading @ 25°C

• Minimum Conductivity: 20 µS/cm

psi

bar

14

11

8

6

200

160

120

80

Pressure vs. Temperature

FMG-3000 series
Operating

40

3

Operating Pressure

°F

°C

Range

0 40 80 120 160 200

-18 4

27

49

71 93

240

115

Media Temperature

Max. operating pressure: 10.3 bar @ 25°C (150 psi @ 77°F)

1.4 bar @ 85°C (20 psi @ 185°F)

Output Specifi cations
Current output (4 to 20 mA)

• Programmable and reversible

• Loop Accuracy: 32 µA max. error
(@ 25°C @ 24 VDC)

• Temp. drift: ±1 µA per °C max.

• Power supply rejection: ±1 µA per V

• Isolation: Low voltage <48 VAC/DC
from electrodes and auxiliary power

• Maximum cable: 300 m (1000 ft.)

• Maximum Loop Resistance: 300 Ω

• Error condition: 22.1 mA

Frequency output:

• Max. Pull-up Voltage: 30 VDC

• Short Circuit Protected: ≤30 V @ 0Ω pull-up for one hour

• Reverse Polarity Protected -40 V

• Overvoltage Protected to 40 V with pullup resistor

• Max. Current Sink: 50 mA, current limited

• Maximum cable: 300 m (1000 ft.)

Environmental Requirements

• Storage Temperature: -20°C to 70°C (-4°F to 158°F)

• Relative Humidity: 0 to 95% (noncondensing)

• Operating Temperature
Ambient: -10° to 70°C (14°F to 158°F)
Media: 0° to 85°C (32°F to 185°F)

Tests, Approvals & Standards

• NEMA 4X

• CE
EN 61326: Immunity and Emissions for Control Equipment

Dimensions

94 mm/

3.7 in.

138 mm

5.43 in.

FMG-3000 series
Magmeter
for ½ in. to 4 in. pipe

171 mm

6.73 in.

FMG-3000 series
Magmeter
for 5 to 8 in. pipe

2

3. Installation: Pipe fi ttings

Omega offers a wide selection of installation fi ttings that control the position of the Magmeter electrodes in relation to the dimensions of
the pipe. You will fi nd a complete list of order numbers for installation fi ttings in the Calibration tables on pages 9-13.

Type Description

Plastic tees

Metric
Union
Fitting

PVC
Saddles

Iron
Strap-on
saddles

0.5 to 4 inch versions
PVC or CPVC

For pipes from DN 15 to 50 mm
PP or PVDF

2 to 4 inch, cut 1-7/16 inch hole in pipe
6 to 8 inch, cut 2-1/8 inch hole in pipe

2 to 4 inch, cut 1-7/16 inch hole in pipe
Over 4 inch, cut 2-1/8 inch hole in pipe

Type Description

Iron, Carbon Steel,
316 SS Threaded
tees

Carbon steel &
stainless steel
Weld-on
Weldolets

Fiberglass
tees &
saddles:

FPT

Metric
Wafer Fitting

FPS

0.5 to 2 in. versions
Mounts on threaded pipe ends

2 to 4 inch, cut 1-7/16 inch hole in pipe
Over 4 inch, cut 2-1/8 inch hole in pipe

1.5 in. to 8 in. PVDF insert
> 8 in. PVC insert

For pipes DN 65 to 200 mm
PP or PVDF

4. Selecting a Location

• The FMG-3000 requires a full pipe and a fully developed turbulent fl ow profi le for accurate measurement.

• If the piping system harbors air pockets or bubbles, take steps to locate the sensor so the air pockets will not contact the
electrodes.

• In vertical installations, assemble the unit so the conduit ports are facing downward. This prevents condensation inside the conduit
from being directed into the electronics housing.

Inlet Outlet

Flange

+GF+

Reducer

+GF+

90° Elbow

+GF+

Select a location with suffi cient
distance of straight pipe immediately
upstream of the sensor.

2 x 90° Elbow

Locating the sensor in a trap or where the
fl ow is upward helps to protect the sensor
from exposure to air bubbles when the
system is in operation.
NOTE: The system must be designed to
keep the sensor wet at all times.

These confi gurations are not
recommended because it is diffi cult to
keep the pipe full.

10 x I.D. 5 x I.D.

+GF+

25 x I.D. 5 x I.D.

+GF+

15 x I.D. 5 x I.D.

2 x 90° Elbow
3 dimensions

40 x I.D. 5 x I.D.

+GF+

20 x I.D. 5 x I.D.

Valve/Pump

50 x I.D. 5 x I.D.

+GF+

O.K.O.K. O.K.

+

F

G

+

GF
+

Vertical flow is OK IF the pipe remains full at all times.

+GF+

+
GF

+

+

+

G

F

+

In a gravity-fl ow system, the tank must be designed
so the level does not drop below the outlet.

This causes the pipe to draw air in from the tank.
If air bubbles pass across the Magmeter electrodes,
the output will become erratic.

+GF+

3

5. FMG-3000 Magmeter Confi guration

Whether using the FMG-3000 (frequency or 4-20 mA output) the wiring terminals located on the inside of the yellow cover are identical.
All of the connections from the Magmeter to external equipment (Datalogger, Chart Recorder, Flow meter, etc.) are made at the large
4-position terminal connector.
When the cover is removed the wiring from the sensor can be seen connected to the smaller terminal block. These connections should
always remain connected to prevent inadvertent damage or miswiring.
The terminals on the FMG-3000 Magmeter are designed for conductors from 16 AWG to 22 AWG.

WARNING!

If the second conduit port is used,
carefully drill the opening. (The plastic
is too strong to be punched out.)

• Secure the Magmeter in a vise to
prevent damage or injury.

• The plastic inside the port is very
thin. Do not allow the drill to
penetrate too deeply and damage
the Magmeter wiring.

JP2 is for factory use only.
MAKE NO CONNECTIONS.

This blue jumper must
be in place for the
magmeter to operate
correctly.

Set this blue jumper
according to the pipe size.

½ in. (DN15)
¾ in. (DN20)
1 in. (DN25)
1¼ in. (DN32)
1½ in. (DN40)
2 in. (DN50)
2½ in. (DN65)
5 in. (DN125)
6 in. (DN150)
10 in. (DN250)
12 in. (DN300)

3 in. (DN80)
4 in. (DN100)
8 in. (DN200)

Connect output cables to
this 4-terminal block.

JP2

4

3

2

1

Blue
Brown
Black
Red
Yellow
White
Not used

External Earth Ground Terminal

Flow

The factory connects
the sensor cable to the terminals
inside the yellow cover.

FP-LTC

Liquid tight connector
(one supplied)

Use the yellow decal to mark
the direction of flow on the pipe

Flow

Important:

• The directional arrow on the body of the sensor must be pointed DOWNSTREAM.

• The FLOW arrow decal can be placed directly on the pipe to identify the direction of fl ow.

• Use a cable gland or a liquid tight connector to seal the cable ports from water intrusion.

• The yellow housing may be reversed to align the conduit ports as required.

• If the Magmeter is installed on a vertical pipe, the conduit ports should be turned to point downward.

This will prevent condensation from being channeled into the enclosure.

• Use plumber's tape or a suitable sealant on cable ports.

4

Sensor grounding ring

6. General Installation and Grounding Tips

Grounding rings on plastic pipe

(Install between flanges)

or

metal straps on metal pipe

Earth ground

Sensor
Grounding ring

(10 cm to 1.3 m)

(10 cm to 1.3 m)

4 in. to 50 in.

4 in. to 50 in.

Instrument

4.

1.

2.2.

Do not terminate
shield at Magmeter

3.

Sensor conditioning

The Magmeter output signal may be unstable immediately after installation. Allowing the sensor to soak in a full pipe (or in any
container of water) for 24 hours will stabilize the performance.

• Very low conductivity fl uids may require a longer conditioning period. (The Magmeter may not operate properly in fl uids where the

conductivity is less than 20 µS/cm.)

Grounding

The FMG-3000 Magmeter is unaffected by moderate levels of electrical noise. However, in some applications it may be necessary to
ground portions of the system to eliminate electrical interference. The grounding requirements will vary with each installation.

One or more of the following steps may be
applied if the FMG-3000 Magmeter is affected by
electrical noise:

 The ground terminal on the outside of the

yellow housing is connected internally
to the grounding ring at the tip of the
sensor. Connect a wire (14 AWG/1.5 mm
recommended) from this terminal directly to a
local Earth ground.

2

 Install fl uid grounding devices immediately

upstream and downstream of the Magmeter.

Connect the fl uid grounds to the Earth ground

terminal on the FMG-3000.

Use fl anged grounding rings or metal

electrodes on plastic pipes, or metal clamps
on metal pipes.

Fluid grounds must be in direct contact with

the fl uid, and as near to the Magmeter as
possible.

 The shield from the output cable must be

terminated at the remote instrument ONLY.

This shield must not be connected at both

ends!

 Connect an additional wire (minimum AWG

14/1.5 mm2) from the remote instrument ground to the Magmeter ground terminal.

7. Wiring the FMG-3002 and FMG-3102 Magmeter with 4-20 mA Loop Output

The FMG-3002 and FMG-3102 Magmeters are traditional 2-wire passive 4-20 mA loop transmitters.

• External loop power (24 VDC ±10%) is required.

• The maximum loop resistance the Magmeter can accomodate is 300 Ω.

• All FMG-3002 and FMG-3102 Magmeters are shipped from the factory with the 4-20 mA output scaled for 0 to 5 m/s (0 to 16.4 ft/s).

The Calibration charts on pages 6-10 list the 20 mA setpoint for each installation fi tting. Use this information to program the 4-20
mA range of the loop device (PLC, Datalogger, recorder, etc.)

FMG-3000 Series Magmeter

4

3

2

1

Loop - (Ground)

Loop + (24 VDC)

+

+

4-20 mA Loop

-

-

monitor

(Maximum 300 Ω)

24 VDC ± 10%

5

8. Wiring the FMG-3001 and FMG-3101 with Frequency output

• The FMG-3001 and FMG-3101 Magmeters output an open collector frequency signal.

• A 10 KΩ pull up resistor must be connected between terminals 1 and 2 if the magmeter is used with third-party equipment..

Blue Jumper
ON

Frequency

4

3

Magmeter

Not used

4

Ground

3

Frequency Out

2

10KΩ

1

Install a pull-up resistor when connecting the
Magmeter to other manufacturer's flowmeters.

5-24 VDC

Magmeter FP90 Flow Transmitter

Not used

4

3

2

1

Ground

Frequency

5-24 VDC

9

8

7

Sensr Gnd
(SHIELD)

Sensr IN
(RED)

Sensr V+
(BLACK)

Connect AUX power on
the FP90 to provide the
power to the FMG3000
OPEN COLLECTOR
output.

9. Calibration Data: K-factors* and Full Scale Current Values

Metal Installation Fittings

Iron Saddles

PIPE SIZE FITTING K-Factor K-Factor 20 mA= 20 mA=
(IN.) TYPE Gallons Liters* in GPM in LPM

SCH 80 IRON SADDLE ON SCH 80 PIPE

2 FP-5320GI 194.85 51.48 153.96 582.75
2½ FP-5325GI 142.28 37.59 210.86 798.10
3 FP-5330GI 87.53 23.13 342.72 1297.20
4 FP-5340GI 40.62 10.73 738.58 2795.54
5 FP-5350GI 29.28 7.74 1024.43 3877.48
6 FP-5360GI 22.30 5.89 1345.58 5093.03
8 FP-5380GI 12.52 3.31 2395.41 9066.64
10 FP-5381GI 7.94 2.10 3778.75 14302.5
12 FP-5382GI 5.65 1.49 5311.45 20103.8

SCH 80 IRON SADDLE ON SCH 40 PIPE

2 FP-5320GIS 185.35 48.97 161.85 612.61
2½ FP-5325GI 127.47 33.68 235.36 890.83
3 FP-5330GI 76.62 20.24 391.54 1481.99
4 FP-5340GI 40.23 10.63 745.72 2822.57
5 FP-5350GI 27.32 7.22 1098.24 4156.83
6 FP-5360GI 19.71 5.21 1521.92 5760.46
8 FP-5380GI 11.61 3.07 2584.23 9781.30
10 FP-5381GI 7.36 1.94 4078.8 15438.2
12 FP-5382GI 5.18 1.37 5793.39 21927.9

6

9. Calibration Data: K-factors* and Full Scale Current Values

Plastic Installation Fittings: PVC Tees and Saddles

PIPE SIZE FITTING K-Factor K-Factor 20 mA= 20 mA=
(IN.) TYPE Gallons Liters* in GPM in LPM

SCH 80 PVC TEES FOR SCH 80 PVC PIPE

½ FP-5305 2289.37 604.85 13.10 49.60
¾ FP-5307 1430.41 377.92 20.97 79.38
1 FP-5310 876.86 231.67 34.21 129.50
1¼ FP-5312 447.06 118.11 67.10 253.99
1½ FP-5315 324.19 85.65 92.54 350.25
2 FP-5315 206.69 54.61 145.15 549.38
2½ FP-5325 131.46 34.73 228.20 863.74
3 FP-5330 82.52 21.80 363.55 1376.04
4 FP-5340 44.78 11.83 669.88 2535.49

SCH 80 PVC TEES FOR SCH 80 CPVC PIPE

½ FP-5305C 2496.03 659.45 12.02 45.49
¾ FP-5307C 1381.48 364.99 21.72 82.19
1 FP-5310C 857.98 226.68 34.97 132.34
1¼ FP-5312C 445.17 117.61 67.39 255.07
1½ FP-5315C 325.56 86.01 92.15 348.78

SCH 80 PVC SADDLES FOR SCH 80 PVC PIPE

2 FP-5320S 193.83 51.21 154.77 585.81
2½ FP-5325S 138.01 36.46 217.38 822.78
3 FP-5330S 83.89 22.16 357.62 1353.60
4 FP-5340S 40.88 10.80 733.88 2777.74
6 FP-5360S 22.53 5.95 1331.85 5041.06
8 FP-5380S 12.52 3.31 2395.41 9066.64
10 FP-5381S 7.94 2.10 3778.75 14302.57
12 FP-5382S 5.71 1.51 5256.69 19896.57

SCH 80 PVC SADDLES FOR SCH 40 PVC PIPE

2 FP-5320S 180.01 47.56 166.66 630.81
2½ FP-5325S 123.72 32.69 242.49 917.82
3 FP-5330S 75.81 20.03 395.71 1497.76
4 FP-5340S 41.87 11.06 716.56 2712.19
6 FP-5360S 19.71 5.21 1521.92 5760.46
8 FP-5380S 11.73 3.10 2558.12 9682.50
10 FP-5381S 7.43 1.96 4037.60 15282.3
12 FP-5382S 5.23 1.38 5734.87 21706.48

7

9. Calibration Data: K-factors* and Full Scale Current Values

Plastic Installation Fittings for Metric Pipes:

Polypropylene True Union Tees and Wafers
PVDF True Union Tees and Wafers
PVC True Union Tees and Wafers

PIPE SIZE FITTING K-Factor K-Factor 20 mA= 20 mA=
(IN.) TYPE Gallons Liters* in GPM in LPM

POLYPROPYLENE FITTINGS (DIN/ISO ,BS, ANSI)

½ FP-5105PO 2192.73 579.32 13.68 51.78
¾ FP-5107PO 1327.81 350.81 22.59 85.52
1 FP-5110PO 737.16 194.76 40.70 154.04
1¼ FP-5112PO 453.46 119.81 66.16 250.41
1½ FP-5115PO 275.03 72.66 109.08 412.86
2 FP-5120PO 156.87 41.45 191.24 723.83

PVDF FITTINGS (DIN/ISO ,BS, ANSI)

½ FP-5105 1946.49 514.26 15.41 58.34
¾ FP-5107 1158.05 305.96 25.91 98.05
1 FP-5110 749.09 197.91 40.05 151.58
1¼ FP-5112 439.51 116.12 68.26 258.36
1½ FP-5115 248.93 65.77 120.52 456.16
2 FP-5120 146.85 38.80 204.30 773.26

8

9. Calibration Data: K-factors* and Full Scale Current Values

Metal Installation Fittings:

Carbon Steel Tees and Weld-o-Lets
Stainless Steel Tees and Weld-o-Lets
Galvanized Iron Tees

PIPE SIZE FITTING K-Factor K-Factor 20 mA= 20 mA=
(IN.) TYPE Gallons Liters* in GPM in LPM

CARBON STEEL TEES ON SCH 40 PIPE

½ FMG-5305CS 1572.66 415.50 19.08 72.20
¾ FMG-5307CS 1086.73 287.11 27.61 104.49
1 FMG-5310CS 582.34 153.86 51.52 194.99
1¼ FMG-5312CS 377.48 99.73 79.48 300.81
1½ FMG-5315CS 267.79 70.75 112.03 424.02
2 FMG-5320CS 167.85 44.35 178.73 676.48

STAINLESS STEEL TEES ON SCH 40 PIPE

½ FMG-5305 1601.26 423.05 18.74 70.91
¾ FMG-5307 937.78 247.76 31.99 121.08
1 FMG-5310 606.18 160.15 49.49 187.32
1¼ FMG-5312 279.68 73.89 107.26 405.99
1½ FMG-5315 147.65 39.01 203.19 769.06
2 FMG-5320 111.90 29.56 268.09 1014.73

STAINLESS STEEL WELDOLETS ON SCH 40 PIPE

2½ FMG-5325 106.31 28.09 282.19 1068.10
3 FMG-5330 72.27 19.09 415.12 1571.25
4 FMG-5340 36.84 9.73 814.34 3082.28
4 FMG-5350 29.28 7.73 1024.70 3878.50
4 FMG-5360 20.29 5.36 1478.26 5595.21
8 FMG-5380 11.73 3.10 2557.72 9680.96
10 FMG-5381 7.45 1.97 4028.83 15249.1
12 FMG-5382 5.24 1.39 5722.73 21660.5

CARBON STEEL WELDOLETS ON SCH 40 PIPE

2½ FMG-5325CS 105.70 27.93 283.82 1074.27
3 FMG-5330CS 70.68 18.67 424.45 1606.56
4 FMG-5340CS 36.38 9.61 824.65 3121.30
4 FMG-5350CS 29.28 7.73 1024.70 3878.50
6 FMG-5360CS 20.29 5.36 1478.26 5595.21
8 FMG-5380CS 11.73 3.10 2557.72 9680.96
10 FP-5381CS 7.45 1.97 4028.83 15249.1
12 FP-5382CS 5.24 1.39 5722.73 21660.5

GALVANIZED IRON TEES ON SCH 40 PIPE

1 FP-5310GI 558.50 147.56 53.71 203.31
1¼ FP-5312GI 334.45 88.36 89.70 339.51
1½ FP-5315GI 248.97 65.78 120.49 456.07
2 FP-5320GIS 146.00 38.57 205.48 777.76

9

9. Calibration Data: K-factors* and Full Scale Current Values

Metal Installation Fittings:

Bronze and Copper Tees and Brazolets

PIPE SIZE FITTING K-Factor K-Factor 20 mA= 20 mA=
(IN.) TYPE Gallons Liters* in GPM in LPM

BRONZE TEES ON SCH 40 PIPE

1 FP-5310BR 582.34 153.86 51.52 194.99
1¼ FP-5312BR 330.54 87.33 90.76 343.53
1½ FP-5315BR 254.76 67.31 117.76 445.71
2 FP-5320BR 157.36 41.58 190.64 721.58

COPPER TEES FITTING ON COPPER PIPE SCH K

½ FP-5305CU 2459.19 649.72 12.20 46.17
¾ FP-5307CU 1108.02 292.74 27.08 102.48
1 FP-5310CU 649.87 171.70 46.16 174.73
1¼ FP-5312CU 422.03 111.50 71.09 269.06
1½ FP-5315CU 281.43 74.35 106.60 403.47
2 FP-5320CU 136.02 35.94 220.55 834.78

COPPER TEES FITTING ON COPPER PIPE SCH L

½ FP-5305CU 2406.30 635.75 12.47 47.19
¾ FP-5307CU 1174.77 310.37 25.54 96.66
1 FP-5310CU 672.28 177.62 44.62 168.90
1¼ FP-5312CU 402.84 106.43 74.47 281.87
1½ FP-5315CU 294.99 77.94 101.70 384.92
2 FP-5320CU 149.63 39.53 200.50 758.89

COPPER/BRONZE BRAZOLET ON SCH 40 PIPE

2½ FP-5325BR 117.31 30.99 255.74 967.96
3 FP-5330BR 78.62 20.77 381.58 1444.28
4 FP-5340BR 45.13 11.92 664.77 2516.15
5 FP-5350BR 32.79 8.66 914.91 3462.95
6 FP-5360BR 22.73 6.01 1319.87 4995.72
8 FP-5380BR 13.14 3.47 2283.68 8643.71
10 FP-5381BR 8.34 2.20 3597.17 13615.29
12 FP-5382BR 5.87 1.55 5109.58 19339.76

10

10. Maintenance

The FMG-3000 series Magmeter requires very little maintenance. There are no user-serviceable components in the Magmeter.

• If the fl uid contains deposits and solids that may coat the electrodes, a regular cleaning schedule is recommended.

• Do not use abrasive materials on the metal electrodes. Clean with soft cloth and mild detergent only.

• Use a cotton swab and mild detergent to remove deposits on the metal electrodes at the tip of the sensor.

10.1. Environmental Recommendations:

• When used properly, this product presents no inherent danger to the environment.

• Please follow local ordinance when disposing of this or any product with electronic components.

10.2 Troubleshooting

Symptom

• Frequency or Current
output is erratic.

• Output is not 0 when fl ow is stopped.

• 4-20 mA output is incorrect.

Possible Cause Possible Solution

• Magmeter installed too close to
upstream obstruction.

• Magmeter electrodes are coated with
solids.

• Magmeter electrodes exposed to air
bubbles/pockets.

• Electrical noise is interfering with the
measurement.

• New sensor, metal surface not
properly conditioned.

• Electrode not adequately conditioned.

• Pipe is empty, Magmeter is not in fl uid.

• Electrical noise is interfering with the
measurement.

• Defective Magmeter

• 4-20 mA is not scaled same as Loop
device.

• Loop device is not scaled same as
Magmeter.

• Range Jumper not placed correctly.

• Defective Magmeter

• Move the Magmeter upstream at least
10 pipe diameters from obstruction.

• Clean the electrodes with soft cloth.
Do not use abrasives.

• Eliminate air bubbles in the pipe.

• Remove the Magmeter and reinstall
with the fl ow direction arrow on the
sensor body pointed DOWNSTREAM.

• Modify grounding as required
to protect the Magmeter from
interference.

• Soak sensor overnight in fl uid.

• Soak sensor overnight in fl uid.

• Confi gure pipe so electrodes are
always in fl uid.

• Modify grounding as required
to protect the Magmeter from
interference.

• Set low fl ow cutoff higher.

• Return to factory for service.

• Respan Loop device to match
Magmeter.

• Set Range Jumper correctly.

• Return to factory for service.

• Frequency output is inoperative

• Loop output is inperative.

• FMG-3000 is wrong model.

• Blue jumper not in correct position.

• Wiring is not correct.

• Frequency input to other
manufacturer's fl ow instrument does
not have pull-up resistor.

• Output is 22.1 mA.

• Conductivity is less than 20 µS/cm.

• Electronic component failure.

Troubleshooting with the RED and BLUE lights

The FMG-3000 uses two colored LEDs to indicate the status of the instrument.
They are located at the top of the magmeter, inside the clear plastic cap.

No Lights: The power is off or the sensor is not connected
Solid Blue (D7): The power is on but there is no fl ow in the pipe.
Blinking Blue (D7): Normal operation, blink rate is proportional to the fl ow rate.
Alternating Red-Blue: Empty pipe indication (electrodes are not wet.)
Blinking Red (D6): System errors (Electrical noise interference)
Solid Red (D6): Instrument error (defective electronics component)

• Frequency model is FMG-3001 and
FMG-3101 series.

• Place blue jumper correctly. (Sec. 5
pg. 9)

• Check wiring, make corrections.

• Install 10kΩ resistor. Sec 8.1, pg. 6)

• Unsuitable application for Magmeter.

• Return to factory for service.

JP2

4

3

2

1

D7

D6

Flow Flow

11

11. Ordering Information

OMEGAMAG with Frequency Output

FMG3001-PP OMEGAMAG, Blind, Freq, PP/316SS, ½-4
FMG3101-PP OMEGAMAG, Blind, Freq, PP/316SS, 5-8
FMG3201-PP OMEGAMAG, Blind, Freq, PP/316SS,10-12

FMG-3001-PVDF-HA OMEGAMAG, Blind, Freq, PVDF/Hast, ½-4
FMG3101-PVDF-HA OMEGAMAG, Blind, Freq, PVDF/Hast, 5-8
FMG3201-PVDF-HA OMEGAMAG, Blind, Freq, PVDF/Hast,10-12

FMG-3001-PVDF OMEGAMAG, Blind, Freq, PVDF/316SS, ½-4
FMG3101-PVDF OMEGAMAG, Blind, Freq, PVDF/316SS, 5-8
FMG3201-PVDF OMEGAMAG, Blind, Freq, PVDF/316SS,10-12

FMG-3001-PVDF-TI OMEGAMAG, Blind, Freq, PVDF/Ti, ½-4
FMG3101-PVDF-TI OMEGAMAG, Blind, Freq, PVDF/Ti, 5-8

OMEGAMAG with 4-20 mA Loop Output

FMG3002-PP OMEGAMAG, Blind, Loop, PP/316SS, ½-4
FMG3102-PP OMEGAMAG, Blind, Loop, PP/316SS, 5-8
FMG3202-PP OMEGAMAG, Blind, Loop, PP/316SS, 10-12

FMG3002-PVDF-HA OMEGAMAG, Blind, Loop, PVDF/Hast, ½-4
FMG3102-PVDF-HA OMEGAMAG, Blind, Loop, PVDF/Hast, 5-8
FMG3202-PVDF-HA OMEGAMAG, Blind, Loop, PVDF/Hast,10-12

FMG3002-PVDF OMEGAMAG, Blind, Loop, PVDF/316SS, ½-4
FMG3102-PVDF OMEGAMAG, Blind, Loop, PVDF/316SS, 5-8
FMG3202-PVDF OMEGAMAG, Blind, Loop, PVDF/316SS,10-12

FMG3002-PVDF-TI OMEGAMAG, Blind, Loop, PVDF/Ti, ½-4
FMG3102-PVDF-TI OMEGAMAG, Blind, Loop, PVDF/Ti, 5-8

Replacement Parts and Accessories

FMG3000-VO O-ring, FPM (Viton®)
FMG3000-EO O-ring, EPDM
FMG3000-KO O-ring, FFPM (Kalrez®)
FP-LTC Liquid Tight Connector

12

SA

MAD E

IN

IN

USA

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period
of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period
to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s
customers receive maximum coverage on each product.

If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser,
including but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of
having been tampered with or shows evidence of having been damaged as a result of excessive corrosion;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components which wear are not warranted, including but not
limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for
any damages that result from the use of its products in accordance with information provided
by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by it
will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESS OR IMPLIED, EXCEPT THAT
OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty, negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
component upon which liability is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.

CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or activity,
medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in
our basic WARRANTY / DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and hold
OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s) in such a
manner.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RE­TURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR)
NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING
DELAYS). The assigned AR number should then be marked on the outside of the return package and on any
correspondence.

The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent break­age in transit.

FOR WARRANTY RETURNS, please have the
following information available BEFORE
contacting OMEGA:

1. Purchase Order number under which the product
was PURCHASED,

2. Model and serial number of the product under
warranty, and

3. Repair instructions and/or specifi c problems relative
to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our
customers the latest in technology and engineering.

OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2000 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced,

translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior written consent of
OMEGA ENGINEERING, INC.

FOR NON-WARRANTY REPAIRS,
current repair charges. Have the following information
available BEFORE contacting OMEGA:

1. Purchase Order number to cover the COST of the
repair,

2. Model and serial number of the product, and

3. Repair instructions and/or specifi c problems relative
to the product.

consult OMEGA for

Where Do I Find Everything I Need for

Process Measurement and Control?

OMEGA…Of Course!

Shop online at www.omega.com

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6-2551.090-OM (C-4/07) M-4210/0407