3M CablePipeFault Locator 25502573 Series User Manual
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Page 31
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78-9000-0192-2 Rev D 31
E. Directional Null (DirNull)
TRACE [2] + Mode [SK] + DirNull [SK Toggle]
or Menu/OK [5] + Cable/Pipe [SK] + Mode [SK] + DirNull [SK Toggle]
In Directional Null mode, as the operator approaches the cable or pipe, the numerical
Signal Strength [9] ([8] for 2550 locator) will increase then fall sharply as the receiver
crosses the target cable or pipe. The Bar Graph [11] ([10] for 2550 locator) fills from
both sides toward the middle and the receiver speaker volume decreases. As...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-30.png "Page 31
78-9000-0192-2 Rev D 31
E. Directional Null (DirNull)
TRACE [2] + Mode [SK] + DirNull [SK Toggle]
or Menu/OK [5] + Cable/Pipe [SK] + Mode [SK] + DirNull [SK Toggle]
In Directional Null mode, as the operator approaches the cable or pipe, the numerical
Signal Strength [9] ([8] for 2550 locator) will increase then fall sharply as the receiver
crosses the target cable or pipe. The Bar Graph [11] ([10] for 2550 locator) fills from
both sides toward the middle and the receiver speaker volume decreases. As...")
78-9000-0192-2 Rev D 31 E. Directional Null (DirNull) TRACE [2] + Mode [SK] + DirNull [SK Toggle] or Menu/OK [5] + Cable/Pipe [SK] + Mode [SK] + DirNull [SK Toggle] In Directional Null mode, as the operator approaches the cable or pipe, the numerical Signal Strength [9] ([8] for 2550 locator) will increase then fall sharply as the receiver crosses the target cable or pipe. The Bar Graph [11] ([10] for 2550 locator) fills from both sides toward the middle and the receiver speaker volume decreases. As...
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32 78-9000-0192-2 Rev D
F. Expanded Mode
VOL [13] (press up arrow)
When the third ring of the speaker icon is dotted
or broken and ‘xpnd’ appears below the speaker
icon as shown, the receiver is in “Expanded”
mode. This mode is used for pinpointing a
target cable or pipe. The area of response of the
receiver narrows, allowing the locator to detect
very small signal changes. Press the Speaker
Volume Control [13] ([12] for 2550 locator) key
to activate the “Expanded” mode.
8. Depth and Current...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-31.png "Page 32
32 78-9000-0192-2 Rev D
F. Expanded Mode
VOL [13] (press up arrow)
When the third ring of the speaker icon is dotted
or broken and ‘xpnd’ appears below the speaker
icon as shown, the receiver is in “Expanded”
mode. This mode is used for pinpointing a
target cable or pipe. The area of response of the
receiver narrows, allowing the locator to detect
very small signal changes. Press the Speaker
Volume Control [13] ([12] for 2550 locator) key
to activate the “Expanded” mode.
8. Depth and Current...")
32 78-9000-0192-2 Rev D F. Expanded Mode VOL [13] (press up arrow) When the third ring of the speaker icon is dotted or broken and ‘xpnd’ appears below the speaker icon as shown, the receiver is in “Expanded” mode. This mode is used for pinpointing a target cable or pipe. The area of response of the receiver narrows, allowing the locator to detect very small signal changes. Press the Speaker Volume Control [13] ([12] for 2550 locator) key to activate the “Expanded” mode. 8. Depth and Current...
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• Optional step: Press Clear All [SK] to delete all
stored depth information.
− The operator may select a specific memory
location to store the depth readings by pressing
Mem Select [SK]. When the preferred location
appears on the display, press Save [SK]. The
display and memory location will populate with
the current information.
− Each memory location can be reviewed by
pressing Mem Select [SK].
• Press TRACE [2] or DEPTH [4] to return to Locate
mode, or wait...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-32.png "Page 33
78-9000-0192-2 Rev D 33
• Optional step: Press Clear All [SK] to delete all
stored depth information.
− The operator may select a specific memory
location to store the depth readings by pressing
Mem Select [SK]. When the preferred location
appears on the display, press Save [SK]. The
display and memory location will populate with
the current information.
− Each memory location can be reviewed by
pressing Mem Select [SK].
• Press TRACE [2] or DEPTH [4] to return to Locate
mode, or wait...")
78-9000-0192-2 Rev D 33 • Optional step: Press Clear All [SK] to delete all stored depth information. − The operator may select a specific memory location to store the depth readings by pressing Mem Select [SK]. When the preferred location appears on the display, press Save [SK]. The display and memory location will populate with the current information. − Each memory location can be reviewed by pressing Mem Select [SK]. • Press TRACE [2] or DEPTH [4] to return to Locate mode, or wait...
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34 78-9000-0192-2 Rev D
• Press Cable/Pipe [SK]
• Press Freq [SK]
• Press Power [SK Toggle] until the desired frequency is displayed: (“Power” 60, 60L,
60H, or 120).
• Press Menu/OK [5] to return to Locate mode.
All U.S. receivers default to 60 Hz.
To set the receiver to detect 50 Hz signals refer to 5.D. Enabling/Disabling Locating
Frequencies section of this manual.
C. Passive Frequencies
The receiver (without a 3M™ Dynatel™ Transmitter 2500 Series) can be used to detect
some CATV cables...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-33.png "Page 34
34 78-9000-0192-2 Rev D
• Press Cable/Pipe [SK]
• Press Freq [SK]
• Press Power [SK Toggle] until the desired frequency is displayed: (“Power” 60, 60L,
60H, or 120).
• Press Menu/OK [5] to return to Locate mode.
All U.S. receivers default to 60 Hz.
To set the receiver to detect 50 Hz signals refer to 5.D. Enabling/Disabling Locating
Frequencies section of this manual.
C. Passive Frequencies
The receiver (without a 3M™ Dynatel™ Transmitter 2500 Series) can be used to detect
some CATV cables...")
34 78-9000-0192-2 Rev D • Press Cable/Pipe [SK] • Press Freq [SK] • Press Power [SK Toggle] until the desired frequency is displayed: (“Power” 60, 60L, 60H, or 120). • Press Menu/OK [5] to return to Locate mode. All U.S. receivers default to 60 Hz. To set the receiver to detect 50 Hz signals refer to 5.D. Enabling/Disabling Locating Frequencies section of this manual. C. Passive Frequencies The receiver (without a 3M™ Dynatel™ Transmitter 2500 Series) can be used to detect some CATV cables...
Page 35
78-9000-0192-2 Rev D 35 10. Locating in Directional Peak Mode The following are instructions for locating a buried pipe or cable using the direct connect method and the Directional Peak (Dir Pk) mode. Other methods of connection and tracing modes/features are explained in previous sections. Step 1. Insert the ground rod into the ground, perpendicular to the suspected target path. Step 2. Remove the grounding from the near-end of the target cable/pipe. Note: Never connect or disconnect the...
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36 78-9000-0192-2 Rev D
Step 12. Set the Frequency and Mode of the receiver.
a. Press Freq [SK]
b. Select the same frequency on the
receiver that was selected on the
transmitter by pressing Active [SK
Toggle].
c. Press Menu/OK [5] to save the setting
and return to Locate mode.
d. Press Mode [SK Toggle] until Dir Pk
is displayed.
Step 13. Stand away from the suspected target path and adjust the Gain [3] down until
the Bar Graph [11] ([10] for 2550 locator) opens completely.
Step 14. Walk...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-35.png "Page 36
36 78-9000-0192-2 Rev D
Step 12. Set the Frequency and Mode of the receiver.
a. Press Freq [SK]
b. Select the same frequency on the
receiver that was selected on the
transmitter by pressing Active [SK
Toggle].
c. Press Menu/OK [5] to save the setting
and return to Locate mode.
d. Press Mode [SK Toggle] until Dir Pk
is displayed.
Step 13. Stand away from the suspected target path and adjust the Gain [3] down until
the Bar Graph [11] ([10] for 2550 locator) opens completely.
Step 14. Walk...")
36 78-9000-0192-2 Rev D Step 12. Set the Frequency and Mode of the receiver. a. Press Freq [SK] b. Select the same frequency on the receiver that was selected on the transmitter by pressing Active [SK Toggle]. c. Press Menu/OK [5] to save the setting and return to Locate mode. d. Press Mode [SK Toggle] until Dir Pk is displayed. Step 13. Stand away from the suspected target path and adjust the Gain [3] down until the Bar Graph [11] ([10] for 2550 locator) opens completely. Step 14. Walk...
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Step 18. Measure the Depth and Current occasionally to verify target path.
Note: In order to measure the Depth and Relative Current accurately, the operator
must pinpoint the target pipe or cable, and the receiver handle should be in-line with
the target path.
− While in Dir Pk mode, find the highest Signal Strength [9] ([8] for 2550
locator).
− Lower the tip of the receiver to the ground. Twist the receiver left and right
while watching the Signal Strength [9] ([8] for...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-36.png "Page 37
78-9000-0192-2 Rev D 37
Step 18. Measure the Depth and Current occasionally to verify target path.
Note: In order to measure the Depth and Relative Current accurately, the operator
must pinpoint the target pipe or cable, and the receiver handle should be in-line with
the target path.
− While in Dir Pk mode, find the highest Signal Strength [9] ([8] for 2550
locator).
− Lower the tip of the receiver to the ground. Twist the receiver left and right
while watching the Signal Strength [9] ([8] for...")
78-9000-0192-2 Rev D 37 Step 18. Measure the Depth and Current occasionally to verify target path. Note: In order to measure the Depth and Relative Current accurately, the operator must pinpoint the target pipe or cable, and the receiver handle should be in-line with the target path. − While in Dir Pk mode, find the highest Signal Strength [9] ([8] for 2550 locator). − Lower the tip of the receiver to the ground. Twist the receiver left and right while watching the Signal Strength [9] ([8] for...
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38 78-9000-0192-2 Rev D
Step 8. With the receiver handle perpendicular to the conduit path, locate the ADP
position by moving along the path until the strongest Signal Strength [9] ([8]
for 2550 locator) is found. Adjust Gain [3] up or down when the Bar Graph
[11] ([10] for 2550 locator) remains either fully open or fully closed.
Step 9. Refer to the ADP operating instructions for further information.
A. Determining Active Duct Probe Depth
Step 1. Place the tip of the receiver on the ground...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-37.png "Page 38
38 78-9000-0192-2 Rev D
Step 8. With the receiver handle perpendicular to the conduit path, locate the ADP
position by moving along the path until the strongest Signal Strength [9] ([8]
for 2550 locator) is found. Adjust Gain [3] up or down when the Bar Graph
[11] ([10] for 2550 locator) remains either fully open or fully closed.
Step 9. Refer to the ADP operating instructions for further information.
A. Determining Active Duct Probe Depth
Step 1. Place the tip of the receiver on the ground...")
38 78-9000-0192-2 Rev D Step 8. With the receiver handle perpendicular to the conduit path, locate the ADP position by moving along the path until the strongest Signal Strength [9] ([8] for 2550 locator) is found. Adjust Gain [3] up or down when the Bar Graph [11] ([10] for 2550 locator) remains either fully open or fully closed. Step 9. Refer to the ADP operating instructions for further information. A. Determining Active Duct Probe Depth Step 1. Place the tip of the receiver on the ground...
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78-9000-0192-2 Rev D 39
12. Locating Buried Sheath Faults And Earth
Return Faults
(3M™ Dynatel™ Models 2573 and 2573-iD only)
Note: Remove (disconnect) both the near-end and far-end grounding from the
test section.
A. Transmitter Setup
Note: Do not make any connections while the transmitter is on. Fault loc\
ation will not
work unless the near-end and far-end grounds are disconnected.
Note: This method only works on direct buried cables/conductors. It will\
not work if
the cables/conductors are...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-38.png "Page 39
78-9000-0192-2 Rev D 39
12. Locating Buried Sheath Faults And Earth
Return Faults
(3M™ Dynatel™ Models 2573 and 2573-iD only)
Note: Remove (disconnect) both the near-end and far-end grounding from the
test section.
A. Transmitter Setup
Note: Do not make any connections while the transmitter is on. Fault loc\
ation will not
work unless the near-end and far-end grounds are disconnected.
Note: This method only works on direct buried cables/conductors. It will\
not work if
the cables/conductors are...")
78-9000-0192-2 Rev D 39 12. Locating Buried Sheath Faults And Earth Return Faults (3M™ Dynatel™ Models 2573 and 2573-iD only) Note: Remove (disconnect) both the near-end and far-end grounding from the test section. A. Transmitter Setup Note: Do not make any connections while the transmitter is on. Fault loc\ ation will not work unless the near-end and far-end grounds are disconnected. Note: This method only works on direct buried cables/conductors. It will\ not work if the cables/conductors are...
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40 78-9000-0192-2 Rev D
B. Pinpointing the Buried Fault
Step 1. Connect the 3M™ Earth Contact Frame to the External Jack [15] ([14] for 2550
locator) of the receiver using the Earth Contact Frame cable (4 ft. (1.2 m) cable).
Step 2. Press On/Off [1] to power on the receiver. The receiver display screen will
display “Fauly Calibrating” for about 5 seconds.
Step 3. Press Menu/OK [5].
Step 4. Press Fault [SK] to select Fault mode.
Step 5. Hold the receiver in one hand and the Earth Contact Frame...](http://img.usermanuals.tech/thumb/96/1613/w300_cablepipefault-locator-25502573-series-1478511061_d-39.png "Page 40
40 78-9000-0192-2 Rev D
B. Pinpointing the Buried Fault
Step 1. Connect the 3M™ Earth Contact Frame to the External Jack [15] ([14] for 2550
locator) of the receiver using the Earth Contact Frame cable (4 ft. (1.2 m) cable).
Step 2. Press On/Off [1] to power on the receiver. The receiver display screen will
display “Fauly Calibrating” for about 5 seconds.
Step 3. Press Menu/OK [5].
Step 4. Press Fault [SK] to select Fault mode.
Step 5. Hold the receiver in one hand and the Earth Contact Frame...")
40 78-9000-0192-2 Rev D B. Pinpointing the Buried Fault Step 1. Connect the 3M™ Earth Contact Frame to the External Jack [15] ([14] for 2550 locator) of the receiver using the Earth Contact Frame cable (4 ft. (1.2 m) cable). Step 2. Press On/Off [1] to power on the receiver. The receiver display screen will display “Fauly Calibrating” for about 5 seconds. Step 3. Press Menu/OK [5]. Step 4. Press Fault [SK] to select Fault mode. Step 5. Hold the receiver in one hand and the Earth Contact Frame...