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MFE ENTERPRISES, INC.
Magnetic Flux Leakage
Above Ground Storage Tank Floors
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1) Electronics Module2) Battery Box3) Magnetic Bridge4) Sensor
Main Components:
MFE 2412 Mark 2 Floor Scanner
MFE ENTERPRISES, INC.
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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
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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
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MFE ENTERPRISES, INC.
MFE 2412 Mark 2 Magnetic Bridge
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Magnetic FieldThrough Air
N S
Magnetic FieldThrough Steel Floor Plate
Sensor
MFE ENTERPRISES, INC.
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Floor Plate
N SSensor
Magnetic FieldThrough Steel
MFE ENTERPRISES, INC.
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N S
Floor Plate
Sensor
Corrosion Pit
MFE ENTERPRISES, INC.
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Floor PlateCorrosion Pit
N SSensor
MFE ENTERPRISES, INC.
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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.
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Influence of Magnet Lift Off on Signal Amplitude
Detection
Threshold
Detection
Threshold
A
B
MFE ENTERPRISES, INC.
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Floor PlateCorrosion Pit
Sensor
MFE ENTERPRISES, INC.
MFE 2412 Mark 2
Effect of Magnet Lift Off
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Influence of Sensor Lift Off on Signal Amplitude
Detection
Threshold
Detection
Threshold
A
B
MFE ENTERPRISES, INC.
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Floor PlateCorrosion Pit
Sensor
MFE ENTERPRISES, INC.
MFE 2412 Mark 2
Effect of Sensor Lift Off
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Influence and adjustment for coatings
Detection
Threshold
Detection
Threshold
Detection
Threshold
A
B
C
MFE ENTERPRISES, INC.
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Floor PlateCorrosion Pit
Sensor
MFE ENTERPRISES, INC.
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Floor PlateCorrosion Pit
Sensor
MFE ENTERPRISES, INC.
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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.
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Effects of plate curvature on signal amplitude
Detection
Threshold
Detection
Threshold
Detection
Threshold
A
B
C
MFE ENTERPRISES, INC.
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Side to side effect on signal amplitude caused by plate curvature
Detection
Threshold
Detection
Threshold
Detection
Threshold
A
B
C
MFE ENTERPRISES, INC.
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Scanner Wheelbase effect with curved surface
Detection
Threshold
Detection
Threshold
Detection
Threshold
A
B
C
MFE ENTERPRISES, INC.
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Volumetric influence on signal amplitude
A
B Detection
Threshold
Detection
Threshold
C Detection
Threshold
MFE ENTERPRISES, INC.
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MAGNETICCARRIAGE
Sensor
SIDE VIEW
MAGNETICCARRIAGE
Sensor
SIDE VIEW
Topside / Bottomside influence on signal Amplitude
A
B
Detection
Threshold
Detection
Threshold
MFE ENTERPRISES, INC.
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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
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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)
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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)
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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