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Page 1: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

MFE ENTERPRISES, INC.

Magnetic Flux Leakage

Above Ground Storage Tank Floors

Page 2: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

1) Electronics Module2) Battery Box3) Magnetic Bridge4) Sensor

Main Components:

MFE 2412 Mark 2 Floor Scanner

MFE ENTERPRISES, INC.

Page 3: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Alarm

30 12.54

Display

BatteryGain

LowHigh

ONOFF

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

MFE ENTERPRISES, INC.

MFE 2412 Mark 2 Electronics Module

Page 4: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

30 12.54

Display

BatteryGain

LowHigh

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

ON

1 2

3 4

5 6

7 8

9 10

11

12

Bottomside Slot(Alarm Off)

Alarm

Reset

OFFON

Page 5: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

MFE ENTERPRISES, INC.

MFE 2412 Mark 2 Magnetic Bridge

Page 6: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Magnetic FieldThrough Air

N S

Magnetic FieldThrough Steel Floor Plate

Sensor

MFE ENTERPRISES, INC.

Page 7: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor Plate

N SSensor

Magnetic FieldThrough Steel

MFE ENTERPRISES, INC.

Page 8: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

N S

Floor Plate

Sensor

Corrosion Pit

MFE ENTERPRISES, INC.

Page 9: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor PlateCorrosion Pit

N SSensor

MFE ENTERPRISES, INC.

Page 10: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor PlateCorrosion Pit

N SSensor

30 12.54

Display

BatteryGain

LowHigh

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

ON

Alarm

Reset

OFFON

MFE ENTERPRISES, INC.

Page 11: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Influence of Magnet Lift Off on Signal Amplitude

Detection

Threshold

Detection

Threshold

A

B

MFE ENTERPRISES, INC.

Page 12: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor PlateCorrosion Pit

Sensor

MFE ENTERPRISES, INC.

MFE 2412 Mark 2

Effect of Magnet Lift Off

Page 13: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Influence of Sensor Lift Off on Signal Amplitude

Detection

Threshold

Detection

Threshold

A

B

MFE ENTERPRISES, INC.

Page 14: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor PlateCorrosion Pit

Sensor

MFE ENTERPRISES, INC.

MFE 2412 Mark 2

Effect of Sensor Lift Off

Page 15: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Influence and adjustment for coatings

Detection

Threshold

Detection

Threshold

Detection

Threshold

A

B

C

MFE ENTERPRISES, INC.

Page 16: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor PlateCorrosion Pit

Sensor

MFE ENTERPRISES, INC.

Page 17: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Floor PlateCorrosion Pit

Sensor

MFE ENTERPRISES, INC.

Page 18: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Sensor

Floor PlateCorrosion Pit

N SSensor

30 12.54

Display

BatteryGain

LowHigh

ONOFF

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

Alarm

Reset

ONOFF

ON

30 12.54

Display

BatteryGain

LowHigh

ONOFF

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

Alarm

Reset

ONOFF

ON

Floor Coating

MFE ENTERPRISES, INC.

Page 19: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Effects of plate curvature on signal amplitude

Detection

Threshold

Detection

Threshold

Detection

Threshold

A

B

C

MFE ENTERPRISES, INC.

Page 20: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Side to side effect on signal amplitude caused by plate curvature

Detection

Threshold

Detection

Threshold

Detection

Threshold

A

B

C

MFE ENTERPRISES, INC.

Page 21: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Scanner Wheelbase effect with curved surface

Detection

Threshold

Detection

Threshold

Detection

Threshold

A

B

C

MFE ENTERPRISES, INC.

Page 22: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Volumetric influence on signal amplitude

A

B Detection

Threshold

Detection

Threshold

C Detection

Threshold

MFE ENTERPRISES, INC.

Page 23: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

MAGNETICCARRIAGE

Sensor

SIDE VIEW

MAGNETICCARRIAGE

Sensor

SIDE VIEW

Topside / Bottomside influence on signal Amplitude

A

B

Detection

Threshold

Detection

Threshold

MFE ENTERPRISES, INC.

Page 24: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

30 12.54

Display

BatteryGain

LowHigh

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

ON

1 2

3 4

5 6

7 8

9 10

11

12

Bottomside Slot(Alarm Off)

Alarm

Reset

OFFON

Page 25: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Alarm

30 12.54

Display

BatteryGain

LowHigh

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

OFFON

1 2

3 4

5 6

7 8

9 10

11

12

Bottomside Slot(Alarm On)

Page 26: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

Alarm

30 12.54

Display

BatteryGain

LowHigh

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

OFFON

1

2 3

4 5

6 7

8 9

0 1

2

Bottomside Pit(Alarm Off)

Page 27: MFE ENTERPRISES, INC. Magnetic Flux Leakage Above Ground Storage Tank Floors.

1

2 3

4 5

6 7

8 9

0 1

2

Bottomside Defectw/ Topside Pitting(Alarm Off)

30 12.54

Display

BatteryGain

LowHigh

ONOFF

Reset

MFE 2412 Mk2

MFE ENTERPRISES INC

1 2 3 4 5 6 7 8 9 0 1 2

ON

Alarm

Reset

OFFON